LM2931 Просмотр технического описания (PDF) - Motorola => Freescale
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LM2931 Datasheet PDF : 16 Pages
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LM2931 Series
Figure 1. Dropout Voltage versus Output Current
200
160
Vin = 14 V
∆Vout = 100 mV
TJ = 25°C
120
Figure 2. Dropout Voltage versus
Junction Temperature
300
Vin = 14 V
∆Vout = 100 mV
200
IO = 100 mA
80
40
0
0
20
40
60
80
100
IO, OUTPUT CURRENT (mA)
100
IO = 50 mA
IO = 10 mA
0
0
25
50
75
100
125
TJ, JUNCTION TEMPERATURE (°C)
Figure 3. Peak Output Current versus Input Voltage
350
TJ = –40°C
250
TJ = 25°C
TJ = 85°C
150
Dashed lines below Vin = 5.0 V
are for Adjustable output devices only.
50
0
5.0
10
15
20
25
30
Vin, INPUT VOLTAGE (V)
Figure 4. Output Voltage versus Input Voltage
6.0
5.0
Vout = 5.0 V
TA = 25°C
4.0
3.0
2.0
1.0
RL = 50 Ω
IO = 100 mA
0
0
1.0
2.0
3.0
4.0
5.0
6.0
Vin, INPUT VOLTAGE (V)
Figure 5. Output Voltage versus Input Voltage
6.0
5.0
VCC = 15 V
VFB1 = 5.05 V
4.0
3.0
2.0
1.0
0
–20 –10
Vout = 5.0 V
RL = 500 Ω
TA = 25°C
0 10 20 30 40 50 60
Vin, INPUT VOLTAGE (V)
Figure 6. Load Dump Characteristics
Vout = 5.0 V
RL = 50 Ω
CO = 100 µF
τ = 150 ms
TA = 25°C
0
0
t, TIME (50 ms/DIV)
MOTOROLA ANALOG IC DEVICE DATA
5
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