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© 2020 ROHM Co., Ltd.
No. 63UG041E Rev.001
AUG.2020
User’s Guide
BD9B304QWZ-EVK-001
Figure 14. Boot by EN (EN=0V-5V)
(V
OUT
=1.2V, V
FREQ
= V
VIN
, R
LOAD
=0.4
Ω
)
Figure 15. Shutdown by EN (EN=5V-0V)
(V
OUT
=1.2V, V
FREQ
= V
VIN
, R
LOAD
=0.4
Ω
)
Figure 16. Boot by VIN (VIN=0V-5V)
(V
OUT
=1.2V, V
FREQ
= V
VIN
, R
LOAD
=0.4
Ω
)
Figure 17. Shutdown by VIN (VIN=5V-0V)
(V
OUT
=1.2V, V
FREQ
= V
VIN
, R
LOAD
=0.4
Ω
)
Time 1ms/div
VOUT 1V/div
VEN 5V/div
VVIN 5V/div
VSW 5V/div
VOUT 1V/div
VSW 5V/div
VEN 5V/div
VVIN 5V/div
Time 1ms/div
VSW 5V/div
VOUT 1V/div
VSW 5V/div
VEN 5V/div
VVIN 5V/div
VOUT 1V/div
VEN 5V/div
VVIN 5V/div
Time 1ms/div
Time 1ms/div
