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GAQ37S12B-4
DC-DC Converter Technical Manual V1.0
Electrical Specifications
Conditions: T
= 25°C (77°F), Airflow = 1 m/s (200 LFM), V
A
Parameter
Absolute maximum ratings
Input voltage
Continuous
Transient (100 ms)
Operating ambient temperature
Storage temperature
Operating humidity
External voltage applied to On/Off
Input characteristics
Operating input voltage
Maximum input current
No-load loss
Input capacitance
Inrush transient
Input reflected ripple current
(peak to peak)
Output characteristics
Output voltage set point
Output power
Output line regulation
Output load regulation
Regulated voltage precision
Temperature coefficient
External capacitance
Output current
Output ripple and noise
(peak to peak)
Output voltage Trim range
Output voltage overshoot
Output voltage delay time
Output voltage rise time
Switching frequency
GLOBAL ENERGY EFFICIENCY SPECIALIST
= 48 V, unless otherwise notes.
in
Min.
Typ.
Max.
-
-
80
-
-
100
-40
-
85
-55
-
125
10
-
95
-
-
12
36
48
75
-
-
16
-
4.3
5
330
470
-
-
-
2
-
-
100
11.76
12.00
12.24
0
-
450
±0.3
-
-
±0.3
-
-
±3
-
-
±0.02
-
-
4
470
-
10
0
-
37
-
100
350
90
-
110
-
-
5
-
-
100
-
50
100
-
150
-
Units
Notes & Conditions
V
-
-
V
º C
See the thermal derating curve
º C
-
% RH
Non-condensing
V
-
V
-
A
V
= 36 V - 75 V; I
in
W
V
= 48 V; I
= 0 A
in
out
µF
Aluminum electrolytic capacitor
A² s
-
mA
Oscilloscope bandwidth: 20 MHz
V
V
= 48 V; I
= 37 A
in
out
W
-
%
V
= 36 V - 75 V; I
in
%
V
= 48 V; I
= 0 - 37 A
in
out
%
V
= 36 V - 75 V; I
in
%/°C
T
= -40°C to +85°C (-40°F to +185°F )
A
µF
470 µF: electrolytic capacitor
A
-
mV
Oscilloscope bandwidth: 20 MHz
%
-
%
The whole range of V
ms
From V
connection to 10%V
in
ms
From 10%V
to 90%V
out
kHz
-
3
= 37 A
out
= 37 A
out
= 0 - 37 A
out
, I
and T
in
out
A
out
out
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