RT7231 Datasheet, PDF (10/18 Pages) Richtek Technology Corporation – 4A, 18V, 650kHz, ACOTTM Synchronous Step-Down Converter

RT7231/32/33/34
VSW
(10V/Div)
VOUT
(5mV/Div)
IL
(1A/Div)
Switching
VSW
(10V/Div)
VOUT
(5mV/Div)
VIN = 12V, VOUT = 1.05V, IOUT = 1A
Time (1μs/Div)
Power On from V_IN
IL
(2A/Div)
Switching
VIN = 12V, VOUT = 1.05V, IOUT = 4A
Time (1μs/Div)
Power Off from V_IN
VIN
(5V/Div)
VOUT
(1V/Div)
IOUT
(5A/Div)
VIN = 12V, VOUT = 1.05V, IOUT = 4A
Time (2.5ms/Div)
Power On from EN
VIN
(5V/Div)
VOUT
(1V/Div)
IOUT
(5A/Div)
VIN = 12V, VOUT = 1.05V, IOUT = 4A
Time (10ms/Div)
Power Off from EN
VEN
(5V/Div)
VEN
(5V/Div)
VOUT
(500mV/Div)
IOUT
(2A/Div)
VIN = 12V, VOUT = 1.05V, IOUT = 4A
Time (500μs/Div)
VOUT
(500mV/Div)
IOUT
(2A/Div)
VIN = 12V, VOUT = 1.05V, IOUT = 4A
Time (500μs/Div)
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DS7231/32/33/34-00 March 2013