RT8271 데이터 시트보기 (PDF) - Richtek Technology
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RT8271 Datasheet PDF : 15 Pages
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RT8271
Switching Frequency vs. Input Voltage
1.35
1.30
1.25
1.20
1.15
1.10
1.05
VOUT = 2.5V, IOUT = 0.3A
3
6
9
12 15 18 21 24
Input Voltage (V)
Switching Frequency vs. Temperature
1.30
1.25
1.20
1.15
1.10
1.05
1.00
-50 -25
VIN = 12V, VOUT = 2.5V, IOUT = 0.3A
0
25 50 75
Temperature (°C)
100 125
2.529
2.527
Output Voltage vs. Input Voltage
VOUT
(5mV/Div)
Output Ripple
2.525
2.523
2.521
2.519
2.517
IOUT = 1A
4 6.5 9 11.5 14 16.5 19 21.5 24
Input Voltage (V)
Load Transient Response
VIN = 12V, VOUT = 2.5V
IOUT = 0A to 2A
VOUT
(50mV/Div)
VSW
(10V/Div)
IL
(1A/Div)
VIN = 12V
VOUT = 2.5V
IOUT = 2A
Time (1μs/Div)
Load Transient Response
VIN = 12V, VOUT = 2.5V
IOUT = 1A to 2A
VOUT
(50mV/Div)
IOUT
(1A/Div)
Time (100μs/Div)
DS8271-02 March 2011
IOUT
(1A/Div)
Time (100μs/Div)
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