MB3802 查看數據表（PDF） - Fujitsu

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MB3802

Power Management Switch

Fujitsu 

MB3802

s APPLICATIONS

1. Separate Use of Two Switching Circuits

VINA

VINB

DCGA

SWINA

SWOUTA

GND

SWINB

SWOUTB

DCGB

Load B

VSB

3 V to 5 V Load A

VSA

3 V to 5 V

Notes:

1. The two power supplies VSA andVSB can be used separated by controlling the voltages VINA and VINB.

2. Connect the DCD pin to GND when it is not used.

2. Switching Two Power Supplies

VINA

VINB

SWINA

SWOUTA

GND

SWINB

SWOUTB

Load

VSB

3 V to 5 V

VSA

3 V to 5 V

Note: When using different power supplies for a single load, control them by connecting an external

capacitor so that both switches are not ON at the same time.

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