RT7285B
Load Transient Response
Load Transient Response
V
OUT
(20mV/Div)
V
OUT
(20mV/Div)
I
OUT
(1A/Div)
V
IN
= 12V, V
OUT
= 1.2V, I
OUT
= 0A to 1.5A
I
OUT
(1A/Div)
V
IN
= 12V, V
OUT
= 1.2V, I
OUT
= 0.75A to 1.5A
Time (250μs/Div)
Time (250μs/Div)
Switching
V
OUT
(10mV/Div)
Power On from EN
V
SW
(5V/Div)
V
EN
(2V/Div)
V
OUT
(1V/Div)
V
SW
(10V/Div)
I
SW
(1A/Div)
I
L
(1A/Div)
V
IN
= 12V, V
OUT
= 1.2V, I
OUT
= 1.5A
V
IN
= 12V, V
OUT
= 1.2V, I
OUT
= 1.5A
Time (1μs/Div)
Time (2.5ms/Div)
Power Off from EN
Power On from VIN
V
EN
(2V/Div)
V
OUT
(1V/Div)
V
SW
(10V/Div)
I
SW
(1A/Div)
V
IN
= 12V, V
OUT
= 1.2V, I
OUT
= 1.5A
V
IN
(10V/Div)
V
OUT
(1V/Div)
V
SW
(10V/Div)
I
SW
(1A/Div)
V
IN
= 12V, V
OUT
= 1.2V, I
OUT
= 1.5A
Time (5ms/Div)
Time (2.5ms/Div)
Copyright
©
2018 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS7285B-03 March 2018
www.richtek.com
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