1. Manuals
  2. Brands
  3. VICOR Manuals
  4. Media Converter
  5. VI-200 Series
  6. Design manual & applications manual

VICOR VI-200 Series Design Manual & Applications Manual

Dc-dc converters and configurable power supplies
Hide thumbs Also See for VI-200 Series:
Table of Contents

Advertisement

Quick Links

Download this manual
Buy an Genuine Vi-J01-CY from PowerStream
Design Guide & Applications Manual
For VI-200 and VI-J00 Family DC-DC Converters
and Configurable Power Supplies

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the VI-200 Series and is the answer not in the manual?

Questions and answers

Related Manuals for VICOR VI-200 Series

Summary of Contents for VICOR VI-200 Series

  • Page 1 Buy an Genuine Vi-J01-CY from PowerStream Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies...

  • Page 2: Table Of Contents

    Product Weights Glossary of Technical Terms 90 – 97 NOTE: This Design Guide and Applications Manual does NOT address Vicor’s Maxi, Mini and Micro DC-DC converters. For more information on these products go to vicorpower.com VI-200 and VI-J00 Family Design Guide Rev 3.4...

  • Page 3: Zero-Current-Switching

    “VI” will be the default designation. the input source to an LC “tank” circuit, composed of inherent transformer leakage inductance of T1 and a The heart of Vicor’s VI-/ MI-200 and VI-/ MI-J00 module capacitive element, C, in the secondary. Simultaneously, technology, zero-current-switching, allows Vicor...

  • Page 4: Dc-Dc Converter Pinouts

    2. DC-DC Converter Pinouts Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies GATE IN. The GATE IN pin on a Driver module may be used as a logic Enable / Disable input. When GATE IN is pulled low (<0.65 V @ 6 mA, referenced to –Vin), the module is turned off;...

  • Page 5: Module Do's And Don'ts

    • Don’t overload GATE OUT; limit load to a single Vicor that an undervoltage lockout circuit be used to pull GATE module GATE IN connection, or 1 k , minimum, in IN low to disable the converter module.
  • Page 6 C2a – C2b is a 4,700 pF THERMAL / MECHANICAL CONSIDERATIONS Y-capacitor (Vicor Part # 01000) or a 0.01 µF ceramic capacitor rated at 500 V. In PCB mount applications, each of Baseplate. Operating temperature of the baseplate, as these components is typically small enough to fit under the measured at the center mounting slot on the –IN, –OUT...
  • Page 7 The VI-x7x, VI-x6x and VI-x5x require the use of a Buss PC-Tron fuse, or other DC-rated fuse. See below Fusing. Internal fusing is not provided in Vicor DC-DC for suggested fuse ratings. converters. To meet safety agency conditions, a fuse is required.

  • Page 8: Overcurrent Protection

    4. Overcurrent Protection Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies FOLDBACK CURRENT LIMITING STRAIGHT LINE CURRENT LIMITING The VI-/ MI-200 modules with output voltages of 5 V or The VI-/ MI-200 modules with output voltages greater 3.3 V incorporate foldback current limiting.

  • Page 9: Output Voltage Trimming

    –SENSE 2.5 V [a] R4 27 Ω Typ. The output voltage of most Vicor converters can be –OUT trimmed +10%, –50%. Certain modules have restricted trim ranges. Consult the latest datasheet for details. [a] For Vout <3.3 V, R5 = 3.88 kΩ and internal reference = 0.97 V.
  • Page 10 5. Output Voltage Trimming Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies TRIMMING UP +10% FIXED TRIM To trim 10% above the nominal output voltage, the Converters can be trimmed up or down with the addition following calculations are needed to determine the value of one external resistor, either Ru for programming up or of R8.
  • Page 11 –50 % 10 k Trim values are calculated automatically. Design Table 5–1 — Values for trim down by percentage (Refer to product Calculators are available on Vicor’s website in the data sheet for allowable trim ranges at vicorpower.com) PowerBench section at www.vicorpower.com/powerbench.

  • Page 12: Multiple Gate In Connections

    –IN to ensure modules are disabled. in the negative lead. Capacitors C1 and C2 will also GATE Vicor DC-DC Converter C1, C2, C3 = 1 µF GATE Z1, Z2 = 15 V (1N5245B) –IN...

  • Page 13: Application Circuits / Converter Array Design Considerations

    Negative Inputs (with positive ground). (Figure 7–3) module may be used to turn the module on or off. When Vicor modules have isolated inputs and outputs making GATE IN is pulled low (<0.65 V @ 6 mA, referenced to negative input configurations easy. Fusing should always –Vin), the module is turned off.

  • Page 14: Module Do's And Don'ts 3

    This applies to VI-/ MI-200, Dual Output Voltages. (Figure 7–7) Vicor modules have VI-/ MI-J00, ComPAC / MI-ComPAC, FlatPAC and isolated outputs so they can easily be referenced to a MegaMod / MI-MegaMod Family modules.

  • Page 15: Using Boosters And Parallel Arrays

    8. Using Boosters and Parallel Arrays Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies OVERVIEW consideration. Most current-sharing schemes employed with power converters involve analog approaches. One The VI-/ MI-200 Family of DC-DC converters are available analog method artificially increases the output impedance as Driver or Booster modules.
  • Page 16 8. Using Boosters and Parallel Arrays Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies deliver some current, but the load will be shared unequally. Driver / Booster arrays usually contain one intelligent With built-in current limiting, one or more of the converters module or Driver, and one or more power-train-only will deliver current up to the current limit (generally 15 or...

  • Page 17: Using Boosters And Parallel Arrays 8

    8. Using Boosters and Parallel Arrays Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies that it will be delivering equal current for an equal voltage The single intelligent module in the array determines the at the summing node.
  • Page 18 8. Using Boosters and Parallel Arrays Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies cost incurred by the addition of at least one redundant could be used to provide a 400 W output with an converter or supply.

  • Page 19: Emc Considerations

    (L1) is usually required to meet FCC / VDE A or B. (Figure EN60601 (medical), require a somewhat different approach. 9–2) Medical requirements vary as a function of the application and country — please contact Vicor Applications Engineering for additional details. Typical Vicor Module 48 V Input, 5 V Output (VI-230-CV)

  • Page 20: Emc Considerations 9

    There are no special precautions that must be exercised in generates more input conducted noise with a filter the design of input filters for Vicor converters. In fact, if than Vicor’s zero-current-switching converter without the system contains an EMC filter designed for typical a filter.
  • Page 21 9. EMC Considerations Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies Typical Vicor Module (VI-230-CV) 48 V Input, 5 V Output C2 a C3 a Three common-mode chokes are offered as standard accessories.
  • Page 22 Differential and Common-Mode Filter with More than One Module 48 V Inputs, 5 V Outputs (Two Vicor VI-230-CV Modules) C2 a C3 a Three common-mode chokes are offered as standard accessories.
  • Page 23 The external capacitor should be placed close to the module to reduce loop cross-sectional area. Differential-Mode Filter Typical Vicor Module (VI-230-CV) 48 V Input, 5 V Output C2 a C3 a C1 = 100 µF +OUT C2 a –...
  • Page 24 Radiated noise may be either electric field or magnetic field. Magnetic radiation is caused by high di/dt and is + OUT generally what is measured by FCC, VDE or MIL-STD-461. Vicor converters utilize zero-current-switching, with the advantage over PWM non-zero-current-switching being that zero-current-switching topologies contain minimal –OUT discontinuities in the switched current waveforms, resulting in lower di/dt’s.
  • Page 25 Insert probe into female receptacle To Scope (Figure 9–8) This noise current is common-mode as opposed (Vicor P/N 06207) for proper output differential noise measurement technique to differential, and therefore should not affect the operation of the system. It should be noted, however, that oscilloscopes...
  • Page 26 <10 mV (Maximum) <10 mV (Maximum) <10 mV (Maximum) Table 9–1 — Output filter options and output voltage and ripple Differential Output Filtering Typical Vicor Module (VI-230-CV) 48 V Input, 5 V Output C2 a C3 a +OUT Conditions GATE C1 = 100 µF...
  • Page 27 9. EMC Considerations Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies Addition of Output Capacitor Typical Vicor Module (VI-230-CV) 48 V Input, 5 V Output C3 a C2 a +OUT Conditions C1 = 100 µF...
  • Page 28 9. EMC Considerations Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies LC Output Filter Typical Vicor Module (VI-230-CV) 48 V Input, 5 V Output C2 a C3 a +OUT C1 = 100 µF GATE C2 a –...
  • Page 29 Essentially, the active circuit looks at the output The RAM is intended to be used with the Vicor VI-200 / ripple from the converter, multiplies it by –1 (inverts) and VI-J00, and the MI-RAM is intended to be used with Vicor adds it to the output.

  • Page 30: Optional Output Filters

    Vicor’s VI-200 and with 2T #14 wire (200 nH) VI-J00 Family converter modules. These components are • C1, C2 — Vicor P/N 30800, 270 µF / 10 V, small and provide significant peak-to-peak noise attenuation. solid tantalum, ESR 90 m typical...

  • Page 31: Battery Charger (Batmod)

    11. Battery Charger (BatMod) Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies OVERVIEW The BatMod is a programmable current source module Current Monitor (I ). An output that indicates the that is intended for battery charging or simular current amount of current being sourced.
  • Page 32 Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies DESIGNING A BATTERY CHARGER Vicor’s BatMod (current source module) enables designers Setting the Charge Current. The charge current can to easily build a compact, lightweight battery charging be programmed from 0 to maximum (14.5 A) by applying...
  • Page 33 11. Battery Charger (BatMod) Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies BatMod VI-2x1-CU-BM 10 mA +OUT 820 Ω To Front End: AIM, GATE TRIM Error HAM, 12 V TRIM 5 kΩ IAM, or 5.1 V GATE...

  • Page 34: Ac Input Module (Aim / Mi-Aim)

    10 V Vref 1 a 0.47 µF “X-type” capacitor to the input of the AIM PARALLEL Filter (Vicor Part #03047); “Y-type” bypass capacitors must also Vref GATE IN Level be added from the +/– inputs of the DC-DC converters to...
  • Page 35 12. AC Input Module (AIM / MI-AIM) Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies SELECTING CAPACITORS FOR AIM MODULES Hold-up Time. For maximum flexibility, an external The basic equations involved in calculating hold-up time are: capacitor (Figure 12–2, C1) is used to set the system’s hold-up requirements.
  • Page 36 AIM input range of 180 – 264 Vac, normal operating conditions and the point at 400 V capacitors must be used (Vicor Part #30240). which C1 is about to be “recharged”. This is the point of lowest energy in C1.
  • Page 37 Fuse 2: For VI-X7X-XX — Buss PC-Tron 2.5 A (250 V) For VI-X6X-XX — Buss PC-Tron 3 A (250 V) For VI-X5X-XX — Buss PC-Tron 5 A igure 12–5 — Typical application for Vicor converter with AIM VI-200 and VI-J00 Family Design Guide Rev 3.4 vicorpower.com...

  • Page 38: Harmonic Attenuator Module (Ham)

    AC line voltage (Figure 13-3). On a nominal 120 Vac line the output voltage of the HAM is 260 Vdc — well within the input operating voltage range of Vicor VI-26x and VI-J6x converters. As input line increases, so does the HAM output voltage;...
  • Page 39 +OUT and -OUT Pin. Connect the +OUT of the HAM to converter modules. P/OK will provide power fail warning the +IN of the respective Vicor DC-DC converters with the at least 1 ms prior to converter shut down. When the recommended fuse.
  • Page 40 4,700 pF Y2 cap. 01000 0.2 µF, 500 V C9,C10 Film or Ceramic 1N4691 zener, 6.2 V * Consult Vicor's Applications Engineering for specific D2, D3 1N4006 diode, 800 V 00670 HAMD / BAMD filtering information. D4, D5 1N5817 schottky diode, 20 V 26108 ** A 100 KΩ, 2 W resistor is used for every 1,000 µF...
  • Page 41 It also presents a well defined high frequency AC line impedance to the input of P/N 30076 the HAM. To meet the listed specifications, Vicor’s P/N 30205 line filter/transient suppressor or equivalent must HAM Filter P/N 30205 be used (Figure 13–10).
  • Page 42 13. AC Input Harmonic Attenuator Module (HAM) Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies RATED CURRENT VS AMBIENT TEMPERATURE 4-40 INSERT 0.25 DP 4 PL 4.60 ±0.02 2.50 ø0.080 PIN 0.060 1.200 6 PLACES FACE MAY BE...
  • Page 43 260 Vdc. This means source is required for accurate power factor measurements. that if the load on the HAM is a Vicor converter, the ENABLE Output of the HAM must be connected to the •...

  • Page 44: Input Attenuator Module (Iam / Mi-Iam)

    EMC performance is guaranteed when the IAM is used in that when used in conjunction with the Vx-200 and conjunction with the recommended Vicor converters Vx-J00 Family of DC-DC converters provides a highly within the permissible power rating and in accordance efficient, high density power system with outputs from with the recommended installation procedure.
  • Page 45 14. Input Attenuator Module (IAM / MI-IAM) Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies INPUT CURRENT gate of the FET to a voltage in excess of its source. In the Inrush current is a function of the number of DC-DC case where multiple DC-DC Driver modules are connected converters that are connected to the input attenuator to one IAM, an external charge pump through the PARALLEL...
  • Page 46 14. Input Attenuator Module (IAM / MI-IAM) Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies OUTPUT OVERCURRENT / SHORT CIRCUIT PROTECTION Output overcurrent protection is a foldback type, followed the Input Attenuator Modules to ensure equal potential at by a timed latched shut down should the overcurrent these points when paralleling Input Attenuator Modules, persist beyond 2 ms.
  • Page 47 14. Input Attenuator Module (IAM / MI-IAM) Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies SAFETY CONSIDERATIONS Shock Hazard. Agency compliance requires that the Fusing. Safety agency conditions of acceptability require baseplate be grounded or made inaccessible. module input fusing.

  • Page 48: Ripple Attenuator Module (Ram / Mi-Ram)

    • Attenuation of low frequency input power source Inserting the RAM into the output leads of a Vicor harmonics and high frequency switching components VI-200/VI-J00 converter adds phase shift to the converter’s from DC-20 MHz control loop.

  • Page 49: Offline Front End

    Vicor modules via the GATE IN pin. modules or Mega Modules at power levels up to 250, Vicor’s front ends have been designed to comply with 500 and 750 W. These front ends are strappable to the requirements of major safety agencies when used...
  • Page 50 16. Offline Front End Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies THERMAL CONSIDERATIONS Free Convection Derating. 250 W • 250 W: Derate output power linearly at 7.2 W/°C over 50°C. • 500 W: Derate output power linearly at 14.3 W/°C over 50°C.
  • Page 51 VDE/FCC Class A, transient surge protection, conjunction with the recommended mains switching and inrush current limiting and ENABLE output suitable for input fusing. controlling an array of Vicor converters via the GATE IN Ground all baseplates to Earth Ground Vce sat.<0.4 V @ 1.5 mA BUS-OK + <70 V...
  • Page 52 Vicor converters. • 3 kW front end: 12 A / 250 V normal blow in all • Vdc–: Negative DC input terminal to all Vicor converters. three phases of the AC line (Bussman ABC-12 or • Vdc+: Positive DC input terminal to all Vicor converters.

  • Page 53: Dc Input Power System (Compac / Mi-Compac Family)

    Output Short Circuit Protection. Output short circuit 24 V and 24 V (wide) 150 W 300 W 450 W protection is provided by the current limiting of the Vicor 28 V, 270 V (military) 100 W 200 W 300 W...
  • Page 54 17. DC Input Power System (ComPAC / MI-ComPAC Family) Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies RECOMMENDED INPUT LINE FUSING DISABLE CURRENT The ComPAC must be fused externally. The table below •...
  • Page 55 17. DC Input Power System (ComPAC / MI-ComPAC Family) Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies THERMAL DATA Operating Ambient Temperature. Depends on factors Thermal Impedance, Free Convection. such as output power, availability of forced air, and Thermal resistance baseplate to air (˚C/W): mounting technique.

  • Page 56: Ac Input Power System (Flatpac Family)

    For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies OVERVIEW Vicor’s FlatPAC consists of an offline single phase AC front The control circuit maintains the converter GATE IN pins end and one, two or three VI-26x / VI-B6x Family DC-DC...
  • Page 57 18. AC Input Power System (FlatPAC Family) Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies input and allows for remote disabling of the outputs of detect assertion of logic outputs, or a separate source of 2-up and 3-up FlatPACs.
  • Page 58 Input / Output Retrofit Connections. A hardware kit, For 1-up FlatPAC models (max. output 200 W), use 1.5 mm available from Vicor, allows the input and output / #16 AWG wire; for 2-up and 3-up models (max. output supervisory terminals to be connected in the same manner 400 W and 600 W), use 2.5 mm...

  • Page 59: Ac Input Power System (Pfc Flatpac)

    Grounding. To satisfy IEC950 Class I grounding integrated mechanical assembly providing up to 575 W of requirements, connect a ground lead to the terminal power. Using Vicor’s Harmonic Attenuator Module (HAM) marked (GND). Use 2.5 mm / #14 AWG wire.
  • Page 60 19. AC Input Power System (PFC FlatPAC) Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies Cold Plate Temp (°C) 20 25 30 35 40 45 50 55 60 65 70 75 80 85 Ambient Temperature (°C) Input Voltage (Vac) igure 19–4 —...

  • Page 61: Thermal And Module Mounting Considerations

    Vicor converters. REMOVING HEAT FROM VICOR CONVERTERS Heat is removed from Vicor converters through the flat EFFICIENCY AND DISSIPATED POWER metal baseplate on top of the module. The baseplate is thermally coupled to, but electrically isolated from, all A DC-DC converter takes power from an input source and internal heat-generating components.
  • Page 62 For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies Temperature differentials encountered in practical rise is dependent on controlling interface resistance, as applications of Vicor converters are never large enough described above, and controlling the thermal resistance of to cause radiational cooling to be the dominant heat the transfer member through appropriate material transfer mechanism.
  • Page 63 = Worst case anticipated operating ambient Convective heat transfer into air is a common method for air temperature. cooling Vicor converters. “Free” or “natural” convection θ refers to heat transfer from a dissipative surface into a = Surface interface thermal resistance, from Step 2.
  • Page 64 FORCED CONVECTION before attachment. Forced air can make a great difference in cooling When mounting heat sinks to Vicor modules, use #6 or effectiveness. Heat sink-to-air thermal resistance can be M3.5 screws torqued uniformly through the mounting improved by as much as an order of magnitude when slots provided.
  • Page 65 20. Thermal and Module Mounting Considerations Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies be changed regularly to maintain cooling efficiency, and Heat sink airflows may be given either in CFM or LFM neglecting to change a filter or the failure of the fan could (linear feet per minute).
  • Page 66 20. Thermal and Module Mounting Considerations Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies NOTE: The values of θsa incorporating add-on or improvement in baseplate temperature results in significant improvement in MTBF. If you are paying for integral heat sinks include the baseplate-to-heat sink thermal resistance θba.
  • Page 67 20. Thermal and Module Mounting Considerations Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies DEFINITIONS TYPICAL EXAMPLES = maximum baseplate temperature Example 1. Determine the maximum output power for a (Available from converters data sheet, which can 100 W, VI-200 converter, no heat sink, delivering 5 V in be found on vicorpower.com.) 400 LFM at a maximum ambient temperature of 45°C.
  • Page 68 20. Thermal and Module Mounting Considerations Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies Example 3. Determine the maximum ambient temperature of a 3-up FlatPAC delivering 12 V at 600 W in 500 LFM with no additional conduction cooling to the chassis.

  • Page 69: Thermal Curves

    21. Thermal Curves Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies NOTE: Use as a design guide only. Verify final design by actual temperature measurement. VI-200 Family FREE AIR 200 LFM 400 LFM 600 LFM 800 LFM 1000 LFM...
  • Page 70 21. Thermal Curves Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies NOTE: Use as a design guide only. Verify final design by actual temperature measurement. VI-200 Family FREE AIR 200 LFM 400 LFM 600 LFM 800 LFM 1000 LFM...
  • Page 71 21. Thermal Curves Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies NOTE: Use as a design guide only. Verify final design by actual temperature measurement. VI-J00 Family FREE AIR, H FREE AIR, V 200 LFM 400 LFM 600 LFM...
  • Page 72 21. Thermal Curves Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies NOTE: Use as a design guide only. Verify final design by actual temperature measurement. VI-J00 Family FREE AIR, H FREE AIR, V 200 LFM 400 LFM 600 LFM...
  • Page 73 21. Thermal Curves Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies NOTE: Use as a design guide only. Verify final design by actual temperature measurement. FinMod VI-200 Family FREE AIR 200 LFM 400 LFM 600 LFM 800 LFM...
  • Page 74 21. Thermal Curves Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies NOTE: Use as a design guide only. Verify final design by actual temperature measurement. FinMod VI-J00 Family FREE AIR, H FREE AIR, V 200 LFM 400 LFM 600 LFM...
  • Page 75 21. Thermal Curves Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies NOTE: Use as a design guide only. Verify final design by actual temperature measurement. SlimMod VI-200 Family FREE AIR 200 LFM 400 LFM 600 LFM 800 LFM...
  • Page 76 21. Thermal Curves Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies NOTE: Use as a design guide only. Verify final design by actual temperature measurement. ComPAC Family FREE AIR, H FREE AIR, V 200 LFM 400 LFM 600 LFM...
  • Page 77 21. Thermal Curves Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies NOTE: Use as a design guide only. Verify final design by actual temperature measurement. FlatPAC Family FREE AIR, H FREE AIR, V 200 LFM 400 LFM 600 LFM...
  • Page 78 21. Thermal Curves Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies NOTE: Use as a design guide only. Verify final design by actual temperature measurement. PFC FlatPAC Family FREE AIR 200 LFM 400 LFM 600 LFM 800 LFM...

  • Page 79: Lead Free Pins (Rohs)

    Once wetting has occurred, then upon solidification it will bond appropriately to both The pins on Vicor modules are optimized to provide a low- components, producing a quality connection. resistance electrical connection. The final mounting scheme for any module should be designed to minimize Figure 22–1 shows a side profile of a good solder joint...
  • Page 80 The standoffs can be used for this the solder varies depending on the type of solder used process. Vicor power modules contain two types of pins: and affects the necessary temperature of the pad and power pins (which deliver the power to the load and are pin for flow.
  • Page 81 60 W iron with a 3 mm tip, approximate improve module soldering significantly. A more effective times to solder a Vicor power module to a 0.062 (1,5 mm) way to improve the soldering of the module is to lower...
  • Page 82 22. Recommended Soldering Methods, Lead Free Pins (RoHS) Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies Index of Common Soldering defects. 4. De-wetting. The solder initially appears to wet but then pulls back to expose the pad surface. More 1.
  • Page 83 22. Recommended Soldering Methods, Lead Free Pins (RoHS) Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies References Organizations www.ipc.org Commercial www.aimsolder.com www.alphametals.com www.kester.com www.multicore-association.org Maxi / Mini / Micro Standoff Kits for Solder Mounted Modules Board Mounting Slotted...
  • Page 84 It is recommended that manufacturing processes using Vicor modules refer to these same standards, which can igure 23–1 — Side profile of a Mini module solder joint be found, along with supporting documentation, at www.ipc.org.
  • Page 85 The pins on Vicor modules are optimized in design for a PCB trace. When a soldering iron is heating a point providing a low-resistance electrical connection.
  • Page 86 60 W iron with a 0.19 in (3 mm) tip, process-specific parameters. Below are some recommen- approximate times to solder a Vicor power module to a dations for general practice: 0.062 (1,5 mm) thick PCB board with an appropriately sized copper trace would be in the range of Table 14–1.
  • Page 87 2. Cold Solder. An incomplete or poor connection caused by either the barrel or the pin not being Post Solder Cleaning. Vicor modules are not hermetically heated to the flow temperature of solder. A cold sealed and must not be exposed to liquid, including but...

  • Page 88: Tin Lead Pins

    23. Recommended Soldering Methods, Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies Tin Lead Pins, and InMate Sockets 5. Dry Joint. The solder has a dull gray appearance as 7. Pinholes. Small or large holes in surface of solder opposed to a bright silver surface.

  • Page 89: Module Packaging Options (Slimmod, Finmod, Busmod And Megamod Families)

    BusMod option, add “–B1” to the standard part number. To order the SlimMod configuration, add the suffix “S” to NOTE: The BusMod may be used with any of Vicor’s the standard part number. Example: VI-260-CV-S. VI- / MI-200, VI- / MI-J00, IAM, or VI- / MI-RAM modules, SlimMod clips are available for grounding the baseplate to with the exception of the HAM.

  • Page 90: Product Weights

    25. Product Weights Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies Typical Weights for Vicor Products Weight Product Standard Heatsink Options DC-DC VI-/MI-200 Family 170 g / 6.0 oz. (Including SlimMod) VI-/MI-J00 Family 85 g / 3.0 oz.

  • Page 91: Glossary Of Technical Terms

    AC lines with respect to ground. Booster combination, where the Driver is the master. Several Boosters can be paralleled with a Driver module ComPAC. A Vicor DC input power supply that provides for higher output power. EMC filtering and transient suppression for industrial, military and telecommunications markets.
  • Page 92 26. Glossary of Technical Terms Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies Converter. An electrical circuit that accepts a DC input Distributed Power Architecture (DPA). A power and generates a DC output of a different voltage usually distribution architecture that replaces multiple central achieved by high frequency switching action employing power sources with a single bulk supply that is converted...
  • Page 93 50 – 600 W. temperature. Heat sinks are not necessarily needed with Vicor modules, and their use is highly dependent on the Floating Output. An output of a power supply that is individual application, power and ambient temperature.
  • Page 94 EMC filter capacitors connected between the AC lines and ground (Y caps). Module Evaluation Board. A test fixture used to evaluate Vicor DC-DC converters. Linear Regulator. A regulating technique where a dissipative active device such as a transistor is placed MTBF (Mean Time Between Failure).
  • Page 95 26. Glossary of Technical Terms Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies Nominal Input. The center value for the input voltage Overshoot. A transient output voltage change exceeding range. the high limit of the voltage accuracy specification caused by turning the power supply on or off, or abruptly Nominal Value.
  • Page 96 For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies Product Grade. The environmental and acceptance tests Remote Sense. Wires connected in parallel with power performed on Vicor products. supply output cables such that the power supply can sense the actual voltage at the load to compensate for Pulse Width Modulation (PWM).
  • Page 97 26. Glossary of Technical Terms Design Guide & Applications Manual For VI-200 and VI-J00 Family DC-DC Converters and Configurable Power Supplies Soft Line. A condition where there is substantial impedance present in the AC mains feeding input power to a power Undershoot.
  • Page 98 Zero-Current-Switching. The turn-on and turn-off of a switching device at zero current, resulting in essentially lossless switching. The zero-current-switching topology allows Vicor converters to operate at frequencies up to 1 MHz, with efficiencies higher than 80% and power densities greater than conventional topologies.
  • Page 99 Information furnished by Vicor is believed to be accurate and reliable. However, no responsibility is assumed by Vicor for its use. Vicor components are not designed to be used in applications, such as life support systems, wherein a failure or malfunction could result in injury or death. All sales are subject to Vicor’s Terms and Conditions of Sale, which are available upon request.

This manual is also suitable for:

Vi-j00 series

Table of Contents