MM1548 データシートの表示（PDF） - Mitsumi

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MM1548

Secondary Control for Energy-Saving AC Adaptor

Mitsumi 

MITSUMI

Secondary Control for Energy-Saving AC Adaptor MM1548

Secondary Control for Energy-Saving AC Adaptor

Monolithic IC MM1548

Outline

This IC is secondary control on AC adaptors that have energy-saving mode. The energy-saving mode

function operates when charging is completed or when the set is unplugged, thus greatly reducing AC

adaptor power consumption.

When a set is connected, normal mode automatically starts and charging starts.

Compared to the conventional MM1529, this IC is smaller and has fewer external components.

Features

1. Automatic switching between energy-saving mode and normal mode

2. Current consumption (energy-saving mode) 60µA

3. Current consumption (normal mode)

1.5mA

4. Uses one photocoupler to control oscillator primary side.

5. One photocoupler is used to control rated voltage and rated current and switching between energy-saving

and normal modes.

Package

SOT-26

Pin Assignment

1

6

2

5

1

OUT

4

PO1

2

CNT

5

GND

3

VCC

6

CS

3

4

SOT-26

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