RT7257B Datasheet, PDF (8/14 Pages) Richtek Technology Corporation – 3A, 18V, 1.2MHz Synchronous Step-Down Converter

RT7257B
Power On from V_IN
VIN
(5V/Div)
VOUT
(2V/Div)
IL
(2A/Div)
VEN
(5V/Div)
VOUT
(2V/Div)
IL
(2A/Div)
VIN = 12V, VOUT = 3.3V, IOUT = 3A
Time (5ms/Div)
Power On from EN
VIN = 12V, VOUT = 3.3V, IOUT = 3A
Time (5ms/Div)
VIN
(5V/Div)
VOUT
(2V/Div)
IL
(2A/Div)
VEN
(5V/Div)
VOUT
(2V/Div)
IL
(2A/Div)
Power Off from V_IN
VIN = 12V, VOUT = 3.3V, IOUT = 3A
Time (5ms/Div)
Power Off from EN
VIN = 12V, VOUT = 3.3V, IOUT = 3A
Time (5ms/Div)
Copyright ©2012 Richtek Technology Corporation. All rights reserved.
www.richtek.com
8
is a registered trademark of Richtek Technology Corporation.
DS7257B-03 September 2012