MC78M06(2002) 데이터 시트보기 (PDF) - Fairchild Semiconductor

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MC78M06
(Rev.:2002)

3-Terminal 0.5A Positive Voltage Regulator

Fairchild Semiconductor 

Typical Applications

VI

1 MC78MXX

3

LM78MXX

VO

CI

0.3µF

2

CO 0.1µF

MC78MXX/LM78MXX

Figure 1. Fixed Output Regulator

VI

1 MC78MXX

3

LM78MXX

CI

2

0.33µF

IO

CO

0.1µF

VXX

IO

Vxx

R1

IO = R1 +IO

Figure 2. Constant Current Regulator

Notes:

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

2. Although no output capacitor is needed for stability, it does improve transient response.

3. CI is required if regulator is located an appreciable distance from power Supply filter

VI

1 MC78MXX

3

LM78MXX

VO

CI

2

0.33µF

IO

CO

VXX

R1

0.1µF

IR1 ≥ 5IO

R2

VO = VXX (1+R2/R1) +IOR2

Figure 3. Circuit for Increasing Output Voltage

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