NCV4279A50D1R2G datasheet(7/15 Pages) ONSEMI

Part #	NCV4279A50D1R2G

Description	Micropower 150 mA LDO Linear Regulator

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Manufacturer	ONSEMI [ON Semiconductor]

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NCV4279A

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TYPICAL PERFORMANCE CHARACTERISTICS

35

0

VI (V)

10

20

30

40

50

RL = 33 W

500

0

IQ (mA)

1.7

−40

0

40

80

120

160

TJ (°C)

1.6

1.5

1.4

1.3

1.2

1.1

1.0

0.9

3.2

−40

0

40

80

120

160

TJ (°C)

VI = 13.5 V

0

2

4

6

8

10

12

14

16

−40

0

40

80

120

160

Figure 5. Charge Current ID,C vs. Temperature TJ

Figure 6. Switching Voltage VUD and VLD vs.

Temperature TJ

Figure 7. Drop Voltage Vdr vs. Output Current IQ

TJ (°C)

VI = 13.5 V

VD = 1.0 V

2.8

2.4

2.0

1.6

1.2

0.8

0.4

0

VUD

VLD

Figure 8. Reset Adjust Switching Threshold

VRADJ,TH vs. Temperature TJ

400

300

200

100

0

30

60

90

120

150

180

TJ = 25°C

TJ = −40°C

TJ = 125°C

12

02

4

6

8

10

VI (V)

RL = 50 W

RL = 200 W

RL = 100 W

Figure 9. Current Consumption Iq vs.

Input Voltage VI

Figure 10. Output Voltage VQ vs.

Input Voltage VI

10

8

6

4

2

0

RL = 50 W

30

25

20

15

10

5

0

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NCV4279A50D1R2G Datasheet(PDF) 7 Page - ON Semiconductor

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