8/10
User
’s Guide
BD9A301MUV-EVK-001
© 2017 ROHM Co., Ltd.
No. 60UG004E Rev.001
APR.2017
Figure 13. Loop Response V
IN
= 3.3V, V
O
= 1.8V, I
O
= 1.0A
Frequency (Hz)
Frequency (Hz)
G
a
in
(d
B)
G
a
in
(d
B)
Ph
a
s
e
(d
e
g
)
Ph
a
s
e
(d
e
g
)
Phase
Phase
Gain
Gain
f
C
= 63.1kHz
Phase margin = 66.1deg
Gain margin = 17.5dB
f
C
= 89.1kHz
Phase margin = 54.1deg
Gain margin = 15.5dB
Figure 14. Loop Response V
IN
= 5.0V, V
O
= 1.8V, I
O
= 1.0A
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