RT7257D
Power On from V
IN
Power Off from V
IN
V
IN
(5V/Div)
V
OUT
(2V/Div)
I
L
(2A/Div)
V
IN
= 12V, V
OUT
= 3.3V, I
OUT
= 3A
V
IN
(5V/Div)
V
OUT
(2V/Div)
I
L
(2A/Div)
V
IN
= 12V, V
OUT
= 3.3V, I
OUT
= 3A
Time (5ms/Div)
Time (5ms/Div)
Power On from EN
Power Off from EN
V
EN
(5V/Div)
V
EN
(5V/Div)
V
OUT
(2V/Div)
I
L
(2A/Div)
V
OUT
(2V/Div)
I
L
(2A/Div)
V
IN
= 12V, V
OUT
= 3.3V, I
OUT
= 3A
V
IN
= 12V, V
OUT
= 3.3V, I
OUT
= 3A
Time (5ms/Div)
Time (5ms/Div)
Copyright
©
2012 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
8
DS7257D-04
September 2012