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UC3843 Datasheet SMPS Controller

Manufacturer: Fairchild (now onsemi)

Overview: www.DataSheet4U.com www.fairchildsemi.com UC3842/UC3843/UC3844/UC3845 SMPS.

General Description

The UC3842/UC3843/UC3844/UC3845 are fixed frequencycurrent-mode PWM controller.

They are specially designed for Off-Line and DC to DC converter applications with minimum external components.

These integrated circuits

Key Features

  • Low Start up Current Maximum Duty Clamp UVLO With Hysteresis Operating Frequency up to 500KHz.