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A2557

Allegro MicroSystems
Part Number A2557
Manufacturer Allegro MicroSystems
Description PROTECTED QUAD LOW-SIDE DRIVER WITH FAULT DETECTION & SLEEP MODE
Published Mar 23, 2005
Detailed Description 2557 A2557xLB OUT1 K OUT2 GROUND GROUND OUT3 FAULT OUT4 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 IN 1 IN2 ENABLE GROUND GR...
Datasheet PDF File A2557 PDF File

A2557
A2557

Overview
2557 A2557xLB OUT1 K OUT2 GROUND GROUND OUT3 FAULT OUT4 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 IN 1 IN2 ENABLE GROUND GROUND V CC IN 3 IN 4 PROTECTED QUAD LOW-SIDE DRIVER WITH FAULT DETECTION & SLEEP MODE The A2557xB, A2557xEB, and A2557xLB have been specifically designed to provide cost-effective solutions to relay-driving applications with up to 300 mA drive current per channel.
They may also be used for driving incandescent lamps in applications where turn-on time is not a concern.
Each of the four outputs will sink 300 mA in the on state.
The outputs have a minimum breakdown voltage of 60 V and a sustaining voltage of 40 V.
A low-power Sleep Mode is activated with either ENABLE low or a...


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