LM79M05 데이터 시트보기 (PDF) - Fairchild Semiconductor

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LM79M05

3-Terminal 0.5 A Negative Voltage Regulator

Fairchild Semiconductor 

Typical Applications

VI

2.0 μF

2

KA79MXX

3

LM79MXX

1

VO

1.0 μF

Figure 3. Fixed Output Regulator

VI

C1 _

2.2 μF

SOLID +

TANTALUM

KA79MXX

LM79MXX

_

C2

+ 25 μF

VO

R1

_ C3

1 μF SOLID

+ TANTALUM

R2

Figure 4. Variable Output

Notes:

4. To specify an output voltage, substitute voltage value for "XX".

5. CI is required if the regulator is located an appreciable distance from the power supply filter. For value given,

capacitor must be solid tantalum. If aluminium electronics are used, 25 μF aluminum electrolytic may be substituted.

6. C2 improves transient response and ripple rejection. Do not increase beyond 50 μF.

© 2001 Fairchild Semiconductor Corporation

KA79MXX / LM79MXX Rev. 1.1.1

6

www.fairchildsemi.com

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