RT7274/79/80/81
Output Ripple Voltage
Output Ripple Voltage
VOUT
VOUT
(10mV/Div)
(10mV/Div)
VLX
VLX
(10V/Div)
(10V/Div)
VIN = 12V, VOUT = 1.05V, IOUT = 1A
VIN = 12V, VOUT = 1.05V, IOUT = 2A
Time (1μs/Div)
Time (1μs/Div)
Power On from VIN
Power Off from VIN
VIN
VIN
(20V/Div)
(20V/Div)
VLX
(20V/Div)
VLX
(20V/Div)
VOUT
VOUT
(1V/Div)
(1V/Div)
IOUT
(1A/Div)
IOUT
(1A/Div)
VIN = 12V, VOUT = 1.05V, IOUT = 2A
Time (5ms/Div)
VIN = 12V, VOUT = 1.05V, IOUT = 2A
Time (2.5ms/Div)
Power On from EN
Power Off from EN
VEN
(10V/Div)
VLX
VEN
(10V/Div)
VLX
(20V/Div)
(20V/Div)
VOUT
VOUT
(1V/Div)
(1V/Div)
IOUT
(1A/Div)
IOUT
(1A/Div)
VIN = 12V, VOUT = 1.05V, IOUT = 2A
Time (1ms/Div)
VIN = 12V, VOUT = 1.05V, IOUT = 2A
Time (25μs/Div)
Copyright 2013 Richtek Technology Corporation. All rights reserved.
©
is a registered trademark of Richtek Technology Corporation.
DS7274/79/80/81-01 February 2013
www.richtek.com
15
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