RT8253BL 데이터 시트보기 (PDF) - Richtek Technology
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RT8253BL Datasheet PDF : 15 Pages
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RT8253B
Typical Operating Characteristics
100
90
80
70
60
50
40
30
20
10
0
0.01
Efficiency vs. Output Current
VIN = 12V
VIN = 23V
VOUT = 3.3V
0.1
1
10
Output Current (A)
Reference Voltage vs. Temperature
0.820
0.815
0.810
0.805
0.800
0.795
0.790
0.785
0.780
VIN = 12V, VOUT = 3.3V, IOUT = 1A
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (°C)
1.40
1.35
1.30
1.25
1.20
1.15
1.10
1.05
1.00
4
Frequency. vs. Input Voltage
VOUT = 3.3V, IOUT = 0.5A
6 8 10 12 14 16 18 20 22 24
Input Voltage (V)
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6
Reference Voltage vs. Input Voltage
0.820
0.815
0.810
0.805
0.800
0.795
0.790
0.785
0.780
VIN = 5 to 23V, VOUT = 3.3V, IOUT = 1A
4 6 8 10 12 14 16 18 20 22 24
Input Voltage (V)
Output Voltage vs. Output Current
3.40
3.38
3.36
VIN = 23V
3.34
3.32
3.30
VIN = 12V
3.28
3.26
3.24
3.22
3.20
0
VOUT = 3.3V
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3
Output Current (A)
Frequency vs. Temperature
1.40
1.35
1.30
1.25
1.20
1.15
1.10
1.05
1.00
-40 -25 -10
VIN = 12V, VOUT = 3.3V, IOUT = 0.5A
5 20 35 50 65 80 95 110 125
Temperature (°C)
DS8253B-02 March 2011
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