RT9277B 데이터 시트보기 (PDF) - Richtek Technology
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RT9277B Datasheet PDF : 12 Pages
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Preliminary
RT9277A/B
VL1
(10V/Div)
VOUT
(5V/Div)
VEN
(5V/Div)
ILOAD
(1A/Div)
Start Up
VL1
(10V/Div)
VIN = 3.3V, IOUT = 200mA, f = 640kHz
Time (2.5ms/Div)
VOUT
(5V/Div)
VEN
(5V/Div)
ILOAD
(1A/Div)
Power Off
VIN = 3.3V, IOUT = 200mA, f = 640kHz
Time (500μs/Div)
VL1
(10V/Div)
VOUT ac
coupled
(100mV/Div)
Switching
VL1
(10V/Div)
VOUT ac
coupled
(100mV/Div)
Switching
IL1
(500mA/Div)
VOUT ac
coupled
(500mV/Div)
VIN = 3.3V, IOUT = 200mA, f = 640kHz
Time (1μs/Div)
IL1
(500mA/Div)
Load Transient Response
VOUT ac
coupled
(500mV/Div)
VIN = 3.3V, IOUT = 200mA, f = 1.2MHz
Time (1μs/Div)
Load Transient Response
ILOAD
(200mA/Div)
VIN = 3.3V, f = 640kHz
Time (250μs/Div)
ILOAD
(100mA/Div)
VIN = 3.3V, f = 1.2MHz
Time (250μs/Div)
DS9277A/B-02 March 2007
www.richtek.com
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