Test Setup; Main Test Points And Jumpers - Panasonic NN30320A User Manual

Regulations 320R202E
No.

4 Test Setup

This section describes how to properly connect, set up and use the Evaluation Board.

4.1 Main Test Points and Jumpers

The Evaluation Board is provided with test points and jumpers as shown in Table 6.
A power supply cable of supplying sufficient current must be connected to the pad PVIN. The load must be connected to
the pad DCDCOUT. Wire lengths must be minimized to reduce losses in the wires.
Test point PVIN provides a place to monitor the input voltages with GND providing a convenient ground reference.
Test point DCDCOUT is used to monitor the output voltage with GND as the ground reference.
Jumper Setup is shown in Table 7.
Table 6. Function of Main Test points and Jumpers
Reference Designator
Main PVIN
Test
DCDCOUT
Points
V-EN
Jumpers J-MODE
J-FSEL
J-EN
J-PGOOD
Jumper
J-MODE
J-MODE
J-FSEL
J-FSEL
J-EN
J-EN
J-PGOOD
J-PGOOD
Note: The parameters above is subject to change for improvement without notice.
2013-05-07
Revised
User's Guide
for Evaluation Board
Default
-
-
-
VREG
-
V-EN
open
Table 7. Jumper Setup
Setup Mode
J-MODE
VREG
FCCM
MODE pin
mode
GND
J-FSEL
VREG
210kHz
FSEL pin
GND
J-EN
enable
V-EN
EN pin
GND
J-PGOOD
Pull up to
Pull up to VREG
VREG
PGOOD pin
Pull up to V-EXT
Function
PVIN test point at PVIN connector
DCDCOUT test point at DCDCOUT connector
Test point supplying voltage to EN pin
3-pin headers to choose mode. Connect MODE to GND to choose
SKIP mode, to VREG to choose FCCM mode.
3-pin headers to choose frequency. Connect FSEL to GND to
choose 430kHz, open to choose 650kHz, to VREG to choose
210kHz
3-pin headers for enable of NN30320A. Connect EN to GND to
disable, to V-EN to enable.
3-pin headers for pull-up of PGOOD. Connect to VREG to allow
pull up to VREG pin, to V-EXT to allow pull up to V-EXT pin.
Setup Mode
VREG
SKIP mode
MODE pin
GND
J-FSEL
VREG
650kHz
FSEL pin
GND
disable
V-EN
EN pin
GND
Pull up to
Pull up to VREG
V-EXT
PGOOD pin
Pull up to V-EXT
Automotive & Industrial Systems Company, Panasonic Corporation
NN30320A-EVB
Total Pages Page
14
Setup Mode
VREG
430kHz
FSEL pin
GND
8