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L4949 Datasheet(PDF) 5 Page - ON Semiconductor

Part No. L4949
Description  100 mA, 5.0 V, Low Dropout Voltage Regulator with Power−On Reset
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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L4949 Datasheet(HTML) 5 Page - ON Semiconductor

 
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L4949, NCV4949
http://onsemi.com
5
TYPICAL CHARACTERIZATION CURVES (continued)
6.0
5.0
4.0
3.0
2.0
4.0
4.1
Vout, OUTPUT VOLTAGE (V)
1.0
0
Resistor 10 k
from Reset Output
to 5.0 V
TJ = 25°C
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
5.0
4.7
4.66
4.62
4.58
4.5
−40
−20
TJ, JUNCTION TEMPERATURE (°C)
4.46
4.42
Upper Threshold
0
20
40
60
80
100
120
4.54
Lower Threshold
Figure 8. Reset Output versus
Regulator Output Voltage
Figure 9. Reset Thresholds versus
Junction Temperature
6.0
5.0
4.0
2.0
1.0
1.15
VSI, SENSE INPUT VOLTAGE (V)
1.0
0
TJ = 25°C
1.2
1.25
1.3
1.35
1.4
1.45
1.5
3.0
Resistor 10 k
from Sense Output
to 5.0 V
1.1
1.05
1.4
1.38
1.36
1.34
1.3
−40
−20
TJ, JUNCTION TEMPERATURE (°C)
1.28
1.2
Upper Threshold
0
20
40
60
80
100
120
1.32
Lower Threshold
1.26
1.24
1.22
Figure 10. Sense Output versus
Sense Input Voltage
Figure 11. Sense Thresholds versus
Junction Temperature


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