NCV4949A 데이터 시트보기 (PDF) - ON Semiconductor

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NCV4949A

100 mA, 5.0 V, Low Dropout Voltage Regulator with Reset and Sense

ON Semiconductor 

NCV4949A

TYPICAL CHARACTERIZATION CURVES (continued)

3.0

2.5

VCC = 14 V

TJ = 25°C

2.0

1.5

1.0

0.5

0

0.1

1.0

10

100

Iout, OUTPUT CURRENT (mA)

Figure 8. Quiescent Current versus

Output Current

3.0

2.5

TJ = 25°C

2.0

1.5

RL = 100 W

1.0

0.5

RL = 5.0 kW

0

0

5.0

10

15

20

25

30

VCC, SUPPLY VOLTAGE (V)

Figure 9. Quiescent Current versus

Supply Voltage

6.0

TJ = 25°C

5.0

Resistor 10 kW

4.0 from Reset Output

to 5.0 V

3.0

2.0

1.0

0

4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 5.0

Vout, OUTPUT VOLTAGE (V)

Figure 10. Reset Output versus

Regulator Output Voltage

4.7

4.66

Upper Threshold

4.62

4.58

4.54

4.5

4.46

Lower Threshold

4.42

-40 -20 0 20 40 60 80 100 120 140

TJ, JUNCTION TEMPERATURE (°C)

Figure 11. Reset Thresholds versus

Junction Temperature

6.0

5.0 TJ = 25°C

4.0 Resistor 10 k

from Sense Output

3.0 to 5.0 V

2.0

1.0

0

1.0 1.05 1.1 1.15 1.2 1.25 1.3 1.35 1.4 1.45 1.5

VSI, SENSE INPUT VOLTAGE (V)

Figure 12. Sense Output versus

Sense Input Voltage

1.4

1.38

1.36

Upper Threshold

1.34

1.32

1.3

1.28

1.26

Lower Threshold

1.24

1.22

1.2

-40 -20 0 20 40 60 80 100 120

TJ, JUNCTION TEMPERATURE (°C)

Figure 13. Sense Thresholds versus

Junction Temperature

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