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NCP1512 Datasheet(PDF) 9 Page - ON Semiconductor

Part No. NCP1512
Description  PWM Buck Converter
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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NCP1512 Datasheet(HTML) 9 Page - ON Semiconductor

 
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NCP1512
http://onsemi.com
9
0
10.
20
30
40
50
60
70
80
90
100
0.001
0.01
0.1
1
10
100
2.5 Vout
2.85 Vout
3.0 Vout
3.3 Vout
Vin = 3.6 V
TA = 25°C
Iout (mA)
Figure 11. Iout versus Efficiency in Pulse Mode
2
2.2
2.4
2.6
2.8
3
3.2
3.4
0
20
40
60
80
100
120
Vin = 3.6 V
TA = 25°C
Figure 12. Vout versus
Efficiency in Pulse Mode
2.5 Vout
2.85 Vout
3.0 Vout
3.3 Vout
Iout (mA)
5
4
3
2
1
0
VSHD (V)
2.5
2
1.5
1
0.5
0
VCC = 3.6 V
TA = 25°C
Figure 13. Input Current versus Voltage for the
Shutdown Pin
4
3
2
1
0
VSYN (V)
2
1.8
1.2
1
0.2
0
VCC = 3.6 V
TA = 25°C
0.4
0.6
0.8
1.4
1.6
Figure 14. Input Current versus Voltage for the
Synchronization Pin
Figure 15. Input Current versus Voltage for the
CB Pins
4
3
2
1
0
VCB (V)
2.5
2
1.5
1
0.5
0
VCC = 3.6 V
TA = 25°C
Figure 16. Input Current versus Voltage for the
Feedback Pin
2
1.5
1
0.5
0
VFB (V)
8
7
4
3
0
-1
VCC = 3.6 V
TA = 25°C
PWM Mode
1
2
5
6


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