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NCP1522 Datasheet(PDF) 6 Page - ON Semiconductor

Part No. NCP1522
Description  3.0 MHz, 600 mA, High−Efficiency, Low Quiescent Current, Adjustable Output Voltage Step−Down Converter
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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NCP1522 Datasheet(HTML) 6 Page - ON Semiconductor

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NCP1522
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6
Figure 10. Efficiency vs. Output Current
(VIN = 4.0 V)
Figure 11. Frequency vs. Input Voltage
Figure 12. Frequency vs. Temperature
Figure 13. Load Regulation
Figure 14. Output Voltage vs. Enable Input Pin
Voltage
Figure 15. PFM/PWM Threshold vs. Input
Voltage
0
IOUT, OUTPUT CURRENT (mA)
3.0
1.0
−3.0
100
200
300
400
500
700
−1.0
−2.0
0.5
0
0.2
0.4
0.6
0.8
1.0
VIN, ENABLE INPUT VOLTAGE (V)
0.0
1.4
1.5
1.0
2.0
VIN, INPUT VOLTAGE (V)
2.4
2.6
2.8
3.0
3.2
3.4
2.7
3.2
3.7
4.2
4.7
5.7
3.6
5.2
2.0
0.0
2.7
3.2
3.7
4.2
4.7
5.2
VIN, INPUT VOLTAGE (V)
5.7
300
100
0
200
0
IOUT, OUTPUT CURRENT (mA)
100
80
30
100
200
300
400
500
600
60
50
90
70
VOUT = 3.3 V
VOUT = 1.8 V
40
VOUT = 0.9 V
IOUT = 300 mA
IOUT = 600 mA
TEMPERATURE (
°C)
2.4
2.6
2.8
3.0
3.2
3.4
−40
−20
0
20
40
100
3.6
60
VIN = 5.5 V
IOUT = 300 mA
80
VIN = 3.6 V
1.5
−2.5
−0.5
−1.5
2.5
0.5
600
VOUT = 3.3 V
VOUT = 1.8 V
VOUT = 0.9 V
1.2
250
50
150
VOUT = 1.8 V
TA = 25°C


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