A2557 PROTECTED QUAD LOW-SIDE DRIVER WITH FAULT DETECTION & SLEEP MODE

Allegro MicroSystems

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 GROUND V CC IN 3 IN 4 PROTECTED.
AND APPLICATION The A2557 low-current quad power drivers provide the same protected output driver function as (and are pin compatible with) the UDx254.

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Datasheet Specifications

Part number: A2557
Manufacturer: Allegro MicroSystems
File Size: 176.69 KB
Datasheet: A2557_AllegroMicroSystems.pdf
Description: PROTECTED QUAD LOW-SIDE DRIVER WITH FAULT DETECTION & SLEEP MODE

Features

* I 300 mA Output Current per Channel I Independent Over-Current Protection &Thermal Limiting for Each Driver I Output Voltage to 60 V I Output SOA Protection I Fault-Detection Circuitry for Open or Shorted Load I Low Quiescent Current Sleep Mode I Integral Output Flyback/Clamp Diodes I TTL- and 5 V C

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 l

A2557 Distributors

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A2557 PROTECTED QUAD LOW-SIDE DRIVER WITH FAULT DETECTION SLEEP MODE Allegro MicroSystems

Allegro MicroSystems A2557-like datasheet