NCP3020A Ver la hoja de datos (PDF) - ON Semiconductor
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NCP3020A Datasheet PDF : 23 Pages
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NCP3020A, NCP3020B, NCV3020A, NCV3020B
TYPICAL PERFORMANCE CHARACTERISTICS
95
9V
90
85
80
12 V
15 V
18 V
75
70
65
Typical Application Circuit
Figure 37
60
0
2
4
6
8
10
Iout (A)
Figure 3. Efficiency vs. Output Current and Input
Voltage
3.28
3.275
3.27
3.265
15 V
18 V
9V
3.26
12 V
3.255 Typical Application Circuit
Figure 37
3.25
0
2
4
6
8
10
Iout (A)
Figure 4. Load Regulation vs. Input Voltage
Input = 9 V, Output = 3.3 V, Load = 10 A
C4 (Green) = VIN, C2 (Red) = VOUT
C1 (Yellow) = VSW, C3 (Blue) = HSDR
Figure 5. Switching Waveforms (VIN = 9 V)
606
604
602
VCC = 12 V, 28 V
600
598
VCC = 5 V
596
594
−40 −25 −10
5 20 35 50 65 80
TEMPERATURE (°C)
95 110 125
Figure 7. Feedback Reference Voltage vs. Input
Voltage and Temperature
Input = 18 V, Output = 3.3 V, Load = 10 A
C4 (Green) = VIN, C2 (Red) = VOUT
C1 (Yellow) = VSW, C3 (Blue) = HSDR
Figure 6. Switching Waveforms (VIN = 18 V)
340
330
NCP3020A
320
310
VCC = 12 V, 28 V
300
290
VCC = 5 V
280
270
260
−40 −25 −10
5 20 35 50 65 80
TEMPERATURE (°C)
95 110 125
Figure 8. Switching Frequency vs. Input Voltage
and Temperature (NCP3020A)
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