MCM Electronics

SUB Only IC 8-pin DIPMCM Part #: UC3842  |  Distributed By MCM

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UC3842N DMPS Controller IC
The UC3842 is a fixed frequency current-mode PWM controller. It is specially designed for Off-Line and DC to DC converter applications with minimum external components. This integrated circuit features a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator and a high current totempole output for driving a Power MOSFET.

Product Description

  • UVLO thresholds of 16V (on) and and 10V (off)
  • Can operate within 100% duty cycle
  • Low start up current
  • Maximum duty clamp
  • UVLO with hysteresis
  • Operating frequency up to 500KHz

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This item is no longer available for purchase. We recommend the following parts as suitable substitutes:
Package Specifications & Dimensions
Weight:0.0022 lbs.
Warranty:90 days
Need to Return?
Length:0.5 in.
Width:0.5 in.
Height:0.5 in.
Shipping Information
Extra Shipping Charge:No
Drop Ship:No
Catalog Pages

MCM Cat 56, Page 666

PDF Reference

Requires Adobe Acrobat Reader.

Mfr. Info

Distributed By MCM Logo
Mfr. Name:Distributed By MCM
Mfr. Part Number: