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UC3702 Datasheet Quad Pwm Relay Driver

Manufacturer: Unitrode

Overview: UC1702 UC2702 UC3702 Quad PWM Relay Driver.

Datasheet Details

Part number UC3702
Manufacturer Unitrode
File Size 162.22 KB
Description Quad PWM Relay Driver
Datasheet UC3702_Unitrode.pdf

General Description

The UC3702 Quad Relay Driver is intended to drive up to four relays from logic inputs using an unregulated relay voltage supply.

The relays are driven from the Bus supply in a power efficient PWM converter fashion.

The relay coil is used as the inductive element.

Key Features

  • Maintains Constant Average Relay Voltage With Varying Supply Voltages.
  • VBUS Voltages up to 42.5V.
  • Up to 50mA per Relay.
  • Integrated Schottky Flyback Diodes.
  • Individual Relay Control Inputs.
  • Short Circuit Protection.
  • User Selectable Operating Center Frequency and Relay Voltage.
  • Global Reset.

UC3702 Distributor