RT7237 データシートの表示（PDF） - Richtek Technology
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RT7237 Datasheet PDF : 15 Pages
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RT7237C
Output Current Limit vs. Temperature
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
-50 -25
VIN = 12V, VOUT = 3.3V
0
25 50 75
Temperature (°C)
100 125
Load Transient Response
Output Current Limit vs. Input Voltage
5
4
3
2
VIN = 4.5V to 17V, VOUT = 3.3V
1
4
6
8
10 12 14 16 18
Input Voltage (V)
Load Transient Response
VOUT
(200mV/Div)
VOUT
(200mV/Div)
IOUT
(1A/Div)
VOUT
(5mV/Div)
VIN = 12V, VOUT = 3.3V, IOUT = 0A to 2A
Time (100μs/Div)
Output Ripple Voltage
IOUT
(1A/Div)
VOUT
(5mV/Div)
VIN = 12V, VOUT = 3.3V, IOUT = 1A to 2A
Time (100μs/Div)
Output Ripple Voltage
VSW
(10V/Div)
VSW
(10V/Div)
IL
(1A/Div)
VIN = 12V, VOUT = 3.3V, IOUT = 1A
Time (500ns/Div)
IL
(1A/Div)
VIN = 12V, VOUT = 3.3V, IOUT = 2A
Time (500ns/Div)
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DS7237C-05 February 2015
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