NCP1522B datasheet(5/14 Pages) ONSEMI

Part #	NCP1522B

Description	3 MHz, 600 mA Step-Down DC-DC Converter

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP1522B

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TABLE OF GRAPHS

Typical Characteristics for Step-down Converter

Figure

ISTB

Standby Current

vs. Input Voltage

7

Iq

Quiescent Current, PFM No Switching

vs. Input Voltage

8

VOUT

Output Voltage Accuracy

vs. Temperature

9, 10

Eff

Efficiency

vs. Output Current

11, 12, 13

Freq

Switching Frequency

vs. Input Voltage

14

VOUT

Soft-Start

vs. Time

15

VOUT

Short Circuit Protection

vs. Time

16

VOUT

Line Regulation

vs. Input Voltage

17, 18

VOUT

Line Transient

vs. Time

19, 20

VOUT

Load Regulation

vs. Output Current

21, 22

VOUT

Load Transient

vs. Time

23, 24, 25, 26

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

2.5

3.0

3.5

4.0

4.5

5.0

Figure 7. Shutdown Current vs. Supply Voltage

VIN, INPUT VOLTAGE (V)

44

46

48

50

52

54

56

2.5

3.0

3.5

4.0

4.5

5.0

5.5

Figure 8. Quiescent Current PFM No Switching

vs. Supply Voltage

VIN, INPUT VOLTAGE (V)

5.5

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NCP1522B Datasheet(PDF) 5 Page - ON Semiconductor

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