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A3903 - Low Voltage DC Motor Driver

Datasheet Summary

Description

The A3903 is a low voltage bidirectional DC motor driver with a typical input voltage range of 3 to 5.5 V and output currents up to 500 mA.

The unique output full-bridge incorporates sourceside linear operation to allow a constant voltage across the motor coil.

Features

  • Constant voltage operation (adjustable).
  • 500 mA output peak rating.
  • Low power standby mode.
  • Small 2 mm × 2 mm, 0.55 mm nominal height DFN package.
  • Typical input voltage range of 3 to 5.5 V.
  • Adjustable constant voltage or PWM operation.
  • Less than 500 nA standby mode current.
  • 40 to 85 operating temperature range.

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Datasheet preview – A3903

Datasheet Details

Part number A3903
Manufacturer Allegro Micro Systems
File Size 451.96 KB
Description Low Voltage DC Motor Driver
Datasheet download datasheet A3903 Datasheet
Additional preview pages of the A3903 datasheet.

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Full PDF Text Transcription

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A3903 Low Voltage DC Motor Driver FEATURES AND BENEFITS ▪ Constant voltage operation (adjustable) ▪ 500 mA output peak rating ▪ Low power standby mode ▪ Small 2 mm × 2 mm, 0.55 mm nominal height DFN package ▪ Typical input voltage range of 3 to 5.5 V ▪ Adjustable constant voltage or PWM operation ▪ Less than 500 nA standby mode current ▪ –40 to 85 operating temperature range PACKAGE: 8-Contact DFN (suffix EE) Approximate footprint DESCRIPTION The A3903 is a low voltage bidirectional DC motor driver with a typical input voltage range of 3 to 5.5 V and output currents up to 500 mA. The unique output full-bridge incorporates sourceside linear operation to allow a constant voltage across the motor coil.
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