AN8049 データシートの表示（PDF） - Panasonic Corporation

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AN8049

1.8-volt 3-channel step-up, step-down, and polarity inverting DC-DC converter control IC

Panasonic Corporation 

AN8049SH

I Terminal Equivalent Circuits (continued)

Pin No.

Equivalent circuit

21

16

Voltage Regulators

Description

I/O

IN−2:

I

Inverting input to the error amplifier 2.

21

1.5 kΩ

1.26 V

22

16

21

FB2:

O

31 µA

OSC

PWM2

Output from the error amplifier 2.

This circuit can provide a source current of −31

µA or a sink current of 0.5 mA (minimum).

1.19 V

0.5 mA

min.

22

23

16

IN−1:

I

Inverting input to the error amplifier 1.

23

1.5 kΩ

1.26 V

24

16

23

FB1:

O

31 µA

OSC

PWM2

Output from the error amplifier 1.

This circuit can provide a source current of −31

µA or a sink current of 0.5 mA (minimum).

1.19 V

0.5 mA

min.

24

10

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