MB3782(1994) 데이터 시트보기 (PDF) - Fujitsu

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MB3782
(Rev.:1994)

Switching Regulator Controller

Fujitsu 

MB3782

V0 +

V0 + =

1.25

R2

· (R1 + R2)

R1

+

–

pin 12,17

R2

RNF

1.25 V

Figure 3 Error amp (channel 2, channel 3) connection

The non-inverting input to the error amps on channel 2 and channel 3 is internally connected to VREF/2, and

therefore cannot be configured for inverting output.

Step up

ch-1

ch-2

ch-3

Step down

Inverting

×

×

9

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