RT7271A
Over Current Protection
Power On from VIN
VOUT
VIN
(2V/Div)
(10V/Div)
VOUT
(1V/Div)
IL
(5A/Div)
VLX
IL
(10V/Div)
(3A/Div)
VIN = 12V, VOUT = 1.8V
VIN = 12V, VOUT = 1.8V, IOUT = 6A
Time (2ms/Div)
Time (50μs/Div)
Power Off from VIN
Power On from EN
VIN
VEN
(10V/Div)
(3V/Div)
VOUT
VOUT
(1V/Div)
(1V/Div)
IL
IL
(3A/Div)
(3A/Div)
VIN = 12V, VOUT = 1.8V, IOUT = 6A
Time (1ms/Div)
VIN = 12V, VOUT = 1.8V, IOUT = 6A
Time (2ms/Div)
Power Off from EN
VEN
(3V/Div)
VOUT
(1V/Div)
IL
(3A/Div)
VIN = 12V, VOUT = 1.8V, IOUT = 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
9
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
