NCP1417 데이터 시트보기 (PDF) - ON Semiconductor
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NCP1417 Datasheet PDF : 13 Pages
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NCP1417
3
3
2
2
1
0
−1
−2
−3
1
100
3V
2.2 V
L = 22 mH
VOUT = 3.3 V
CIN = 10 μF
COUT = 33 μF
10
1.8 V
100
OUTPUT LOADING CURRENT, ILOAD/mA
Figure 15. Output Voltage Change
versus Load Current
1000
100 mA
80
60
150 mA
1
0
−1
−2
−3
1
100
3V
L = 15 mH
VOUT = 3.3 V
CIN = 10 μF
COUT = 33 μF
1.8 V
10
100
2.2 V
1000
OUTPUT LOADING CURRENT, ILOAD/mA
Figure 16. Output Voltage Change versus
Load Current
100 mA
80
150 mA
60
40
VOUT = 3.3 V
20 CIN = 10 μF
COUT = 33 μF
L = 22 mH
0
1
1.5
2
2.5
3
BATTERY INPUT VOLTAGE, VBATT/V
Figure 17. Battery Input Voltage versus
Output Ripple Voltage
20
16
40
VOUT = 3.3 V
20 CIN = 10 μF
COUT = 33 μF
L = 15 mH
0
1
1.5
2
2.5
3
BATTERY INPUT VOLTAGE, VBATT/V
Figure 18. Battery Input Voltage versus
Output Ripple Voltage
12
8
4
0
0
1
2
3
4
5
6
INPUT VOLTAGE AT OUT PIN, VOUT/V
Figure 19. No Load Operating Current
versus Input Voltage at OUT Pin
(VIN = 2.2 V, VOUT = 3.3 V, ILOAD = 100 mA; L = 22 μH,
COUT = 33 μF)
Upper Trace: Output Voltage Waveform, 1.0 V/Division
Lower Trace: Shutdown Pin Waveform, 1.0 V/Division
Figure 20. Startup Transient Response
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