A3971 Datasheet - Allegro

A3971 DUAL DMOS FULL-BRIDGE DRIVER

Data Sheet 29319.32 3971 ADVANCE INFORMATION (Subject to change without notice) May 2, 2000 DUAL DMOS FULL-BRIDGE DRIVER Designed to interface between external PWM control logic and NO CONNECTION 1 NC LOGIC GROUND 2 VDD 24 LOGIC SUPPLY 23 PWM2 inductive loads such as relays, solenoids, dc motors, or stepper motors, each full bridge can operate with output currents to ±2.5 A and operating voltages to 50 V. S10 3 OUT1A 4 22 S20 21 OUT2A Low rDS(on) DMOS output drivers provide low .

A3971 Features

* s ±2.5 A Load Current Capability per Bridge s Parallel Outputs for 5 A Load-Current Capability s Low rDS(on) Outputs Typically 325 mΩ source, 175 mΩ sink s Synchronous Rectification via Control Logic s Internal Undervoltage Monitor s Crossover-Current Protection Storage Temperature Range, s Source

A3971-Allegro.pdf