NCV4949CPDR2G datasheet(5/10 Pages) ONSEMI

Part #	NCV4949CPDR2G

Description	Low Dropout Voltage Regulator

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Manufacturer	ONSEMI [ON Semiconductor]

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NCV4949C

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TYPICAL CHARACTERISTICS

Figure 8. Quiescent Current vs. Supply

Voltage

Figure 9. Reset Delay Threshold vs. Junction

Temperature

VCC, SUPPLY VOLTAGE (V)

TJ, JUNCTION TEMPERATURE (°C)

40

30

25

20

15

10

5

0

1

2

3

4

6

7

8

160

120

80

40

0

−40

1.80

1.82

1.84

1.86

1.90

1.92

1.94

1.96

Figure 10. Reset Output vs. Regulator Output

Voltage

Figure 11. Reset Thresholds vs. Junction

Temperature

VOUT, OUTPUT VOLTAGE (V)

TJ, JUNCTION TEMPERATURE (°C)

5.0

4.7

4.6

4.5

4.4

4.3

4.2

4.0

0

1

2

3

4

5

6

160

120

80

40

0

−40

4.40

4.45

4.50

4.55

4.65

4.70

4.75

4.80

Figure 12. Sense Output vs. Sense Input

Voltage

Figure 13. Sense Thresholds vs. Junction

Temperature

VSI, SENSE INPUT VOLTAGE (V)

TJ, JUNCTION TEMPERATURE (°C)

1.5

1.4

1.3

1.2

1.1

1.0

0

1

2

3

4

5

6

160

120

80

40

0

−40

1.15

1.20

1.25

1.30

1.35

1.40

TJ = 25°C

RL = 100 W

RL = 5 kW

35

5

VCC = 14 V

1.88

4.1

4.8

4.9

VCC = 14 V

TJ = 25°C

Resistor 10 k

W

from Reset Output

to 5.0 V

4.60

VCC = 14 V

Upper Threshold

Lower Threshold

VCC = 14 V

Upper Threshold

Lower Threshold

VCC = 14 V

TJ = 25°C

Resistor 10 k

W

from Reset Output

to 5.0 V

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NCV4949CPDR2G Datasheet(PDF) 5 Page - ON Semiconductor

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