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NCP1521 Datasheet(PDF) 7 Page - ON Semiconductor

Part No. NCP1521
Description  1.5 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
Logo ONSEMI - ON Semiconductor

NCP1521 Datasheet(HTML) 7 Page - ON Semiconductor

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NCP1521
http://onsemi.com
7
Figure 19. Output Voltage Accuracy
(VOUT = 0.9 V)
Figure 20. Output Voltage Accuracy
(VOUT = 1.8 V)
Figure 21. Output Voltage Accuracy
(VOUT = 3.3 V)
−50
TEMPERATURE (
°C)
1.0
0
50
100
150
−1.0
−2.0
2.0
0.0
1.5
−0.5
−1.5
0.5
IOUT = 600 mA
IOUT = 300 mA
IOUT = 100 mA
−50
TEMPERATURE (
°C)
1.0
0
50
100
150
−1.0
−2.0
2.0
0.0
1.5
−0.5
−1.5
0.5
IOUT = 600 mA
IOUT = 300 mA
IOUT = 100 mA
−50
TEMPERATURE (
°C)
1.0
0
50
100
150
−1.0
−2.0
2.0
0.0
1.5
−0.5
−1.5
0.5
IOUT = 600 mA
IOUT = 300 mA
IOUT = 100 mA
VIN = 3.6 V
VIN = 3.6 V
VIN = 4.0 V
Figure 22. Load Transient Response in PWM
Operation (VIN = 3.6 V)
IOUT
200 mA/Div
VOUT
50 mV/Div
10
ms/Div
Figure 23. Load Transient Response in PWM
Operation (VIN = 3.6 V)
Figure 24. Short Circuit Protection (VIN = 3.6 V)
IOUT
200 mA/Div
VOUT
50 mV/Div
10
ms/Div
VOUT
500 mV/Div
2.5
ms/Div
ILX
500 mA/Div


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