RT7258
Power On from EN
Power Off from VIN
VEN
(5V/Div)
VIN
(5V/Div)
VOUT
(2V/Div)
VOUT
(2V/Div)
IL
(10A/Div)
IL
(10A/Div)
VIN = 12V, VOUT = 3.3V, IOUT = 8A
Time (5ms/Div)
VIN = 12V, VOUT = 3.3V, IOUT = 8A
Time (2.5ms/Div)
Power Off from EN
External SYNC
Clock
(5V/Div)
VEN
(5V/Div)
VLX
(10V/Div)
VOUT
(2V/Div)
IL
IL
(5A/Div)
(10A/Div)
VOUT
(2V/Div)
VIN = 12V, VOUT = 3.3V, IOUT = 8A, Clock = 500kHz
VIN = 12V, VOUT = 3.3V, IOUT = 8A
Time (2.5ms/Div)
Time (1μs/Div)
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is a registered trademark of Richtek Technology Corporation.
www.richtek.com
10
DS7258-00 January 2012