RT8290 查看數據表（PDF） - Richtek Technology
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RT8290 Datasheet PDF : 12 Pages
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RT8290
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
-50
Current Limit vs. Temperature
VOUT
(200mV/Div)
VOUT = 3.3V, VIN = 12V
-25 0
25 50 75 100 125
Temprature (°C)
IOUT
(2A/Div)
VOUT
(200mV/Div)
IOUT
(2A/Div)
Load Transient Response
VOUT
(10mV/Div)
VSW
(10V/Div)
VIN = 12V, VOUT = 3.3V, IOUT = 1.5A to 3A
Time (100μs/Div)
IL
(2A/Div)
Power On from VIN
Load Transient Response
VIN = 12V, VOUT = 3.3V, IOUT = 0A to 3A
Time (100μs/Div)
Switching Waveform
VIN = 12V, VOUT = 3.3V, IOUT = 3A
Time (1μs/Div)
Power Off from VIN
VIN
(5V/Div)
VOUT
(2V/Div)
IL
(2A/Div)
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VIN = 12V, VOUT = 3.3V, IOUT = 3A
Time (5ms/Div)
VIN
(5V/Div)
VOUT
(2V/Div)
IL
(2A/Div)
VIN = 12V, VOUT = 3.3V, IOUT = 3A
Time (5ms/Div)
DS8290-02 March 2011
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