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UC3843A

Manufacturer: Unitrode

This datasheet includes multiple variants, all published together in a single manufacturer document.

UC3843A datasheet preview

Datasheet Details

Part number UC3843A
Datasheet UC3843A UC3842A Datasheet (PDF)
File Size 972.93 KB
Manufacturer Unitrode
Description Current Mode PWM Controller
UC3843A page 2 UC3843A page 3

UC3843A Overview

The UC1842A/3A/4A/5A family of control ICs is a pin for pin patible improved version of the UC3842/3/4/5 family.

UC3843A Key Features

  • Optimized for Off-line and DC to DC
  • Low Start Up Current (<0.5mA)
  • Trimmed Oscillator Discharge Current
  • Automatic Feed Forward pensation
  • Pulse-by-Pulse Current Limiting
  • Enhanced Load Response Characteristics
  • Under-Voltage Lockout With Hysteresis
  • Double Pulse Suppression
  • High Current Totem Pole Output
  • Internally Trimmed Bandgap Reference

UC3843A from other manufacturers

See all manufacturers

Brand Logo Part Number Description Other Manufacturers
UTC Logo UC3843A CURRENT MODE PWM CONTROLLER UTC
Motorola Logo UC3843A HIGH PERFORMANCE CURRENT MODE CONTROLLERS Motorola
Fairchild Semiconductor Logo UC3843A SMPS Controller Fairchild Semiconductor
ST Microelectronics Logo UC3843A HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER ST Microelectronics
UTC Logo UC3843A CURRENT MODE PWM CONTROL CIRCUITS UTC
Unitrode logo - Manufacturer

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UC3843A Distributor

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