RT7271A
Over Current Protection
Power On from VIN
V
OUT
(2V/Div)
V
IN
(10V/Div)
V
OUT
(1V/Div)
I
L
(5A/Div)
V
LX
(10V/Div)
I
L
(3A/Div)
V
IN
= 12V, V
OUT
= 1.8V
V
IN
= 12V, V
OUT
= 1.8V, I
OUT
= 6A
Time (50μs/Div)
Time (2ms/Div)
Power Off from VIN
Power On from EN
V
IN
(10V/Div)
V
OUT
(1V/Div)
V
EN
(3V/Div)
V
OUT
(1V/Div)
I
L
(3A/Div)
V
IN
= 12V, V
OUT
= 1.8V, I
OUT
= 6A
I
L
(3A/Div)
V
IN
= 12V, V
OUT
= 1.8V, I
OUT
= 6A
Time (2ms/Div)
Time (1ms/Div)
Power Off from EN
V
EN
(3V/Div)
V
OUT
(1V/Div)
I
L
(3A/Div)
V
IN
= 12V, V
OUT
= 1.8V, I
OUT
= 6A
Time (20μs/Div)
Copyright
©
2013 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS7271A-00 February 2013
www.richtek.com
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