RT8271GS Ver la hoja de datos (PDF) - Richtek Technology
Número de pieza
componentes Descripción
Fabricante
RT8271GS Datasheet PDF : 15 Pages
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RT8271
Typical Operating Characteristics
100
90
80
70
60
50
40
30
20
10
0
0
Efficiency vs. Load Current
VOUT = 3.3V
VOUT = 2.5V
VIN = 12V
0.25 0.5 0.75 1 1.25 1.5 1.75 2
Load Current (A)
Reference Voltage vs. Temperature
0.930
0.925
0.920
0.915
0.910
0.905
0.900
-50 -25
VIN = 12V, IOUT = 0A
0
25 50 75
Temperature (°C)
100 125
Quiescent Current vs. Temperature
0.80
0.75
0.70
0.65
0.60
0.55
0.50
-50 -25
VIN = 12V
0
25 50 75 100 125
Temperature (°C)
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6
Current Limit vs. Duty Ratio
4.0
3.8
3.6
3.4
3.2
3.0
2.8
2.6
0
10 20
30 40 50 60 70 80 90
Duty Ratio (%)
2.528
Output Voltage vs. Load Current
2.526
2.524
2.522
2.520
2.518
2.516
0
VIN = 12V
0.25 0.5 0.75 1 1.25 1.5 1.75 2
Load Current (A)
Shutdown Current vs. Input Voltage
22
21
20
19
18
17
16
3
6
9
12 15 18 21 24
Input Voltage (V)
DS8271-02 March 2011
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