L4949N View Datasheet(PDF) - Motorola => Freescale
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L4949N Datasheet PDF : 8 Pages
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L4949
TYPICAL CHARACTERIZATION CURVES (continued)
Figure 3. Dropout Voltage versus
Output Current
250
TJ = 25°C
200
Figure 4. Dropout Voltage versus
Junction Temperature
0.40
Iout = 100 mA
0.30
150
0.20
Iout = 50 mA
100
Iout = 10 mA
0.10
50
0
0
0.1
1.0
10
100
–40 –20 0 20 40 60 80 100 120
Iout, OUTPUT CURRENT (mA)
TJ, JUNCTION TEMPERATURE (°C)
Figure 5. Quiescent Current versus
Output Current
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 6. Quiescent Current versus
Supply Voltage
3.0
2.5
TJ = 25°C
2.0
1.5
RL = 100 Ω
1.0
0.5
RL = 5.0 k
0
0
5.0
10
15
20
25
30
VCC, SUPPLY VOLTAGE (V)
Figure 7. Reset Output versus
Regulator Output Voltage
6.0
TJ = 25°C
5.0
Resistor 10 k
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 8. Reset Thresholds versus
Junction Temperature
4.7
4.66
Upper Threshold
4.62
4.58
4.54
4.5
Lower Threshold
4.46
4.42
–40 –20
0 20 40 60 80 100 120
TJ, JUNCTION TEMPERATURE (°C)
4
MOTOROLA ANALOG IC DEVICE DATA
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