LM7818A 查看數據表（PDF） - Fairchild Semiconductor

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LM7818A

3-Terminal 1 A Positive Voltage Regulator

Fairchild Semiconductor 

Typical Performance Characteristics

6

5.75

VI = 10V

VO = 5V

IO = 5mA

5.5

5.25

5

4.75

4.5

-50

-25 0 25 50 75 100 125

JUNCTION TEMPERATURE (°C)

Figure 3. Quiescent Current

3

TJ = 25°C

∆VO = 100mV

2.5

2

1.5

1

.5

0

0 5 10 15 20 25 30 35

INPUT-OUTPUT DIFFERENTIAL (V)

Figure 4. Peak Output Current

1.02 VI – VO = 5V

IO = 5mA

1.01

1

0.99

0.98

-50

-25 0 25 50 75 100 125

JUNCTION TEMPERATURE (°C)

Figure 5. Output Voltage

7 TJ = 25°C

VO = 5V

6.5 IO = 10mA

6

5.5

5

4.5

4

5

10

15

20 25

30 35

INPUT VOLTAGE (V)

Figure 6. Quiescent Current

21

LM78XX/LM78XXA Rev. 1.0

www.fairchildsemi.com

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