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© 2020 ROHM Co., Ltd.
No. 63UG041E Rev.001
AUG.2020
User’s Guide
BD9B304QWZ-EVK-001
Operating Procedure
1.
Turn off the DC power supply and connect the GND terminal of the power supply to the GND terminal of EVK.
2.
Connect VCC pin of DC power supply to the V
IN
pin of the EVK.
3.
Connect the load to the EVK
’
s V
OUT
and GND terminals. When using an electronic load, connect with the load turned off.
4.
Connect a voltmeter to the EVK's V
OUT
and GND terminals.
5.
Connect the EN to the V
IN
terminal of the EVK by switching SW_EN to H.
6.
Set SW_MODE to H when forced PWM mode is required; otherwise, set L to specify Deep-SLLM.
7.
Turn on the DC power supply. Make sure the voltmeter shows 1.2V.
8.
Turn on the electronic load.
(Caution) This EVK does not support hot plug. Do not perform hot plug test.
