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UCC28051D. - 

PFC Controller IC, 12 V to 18 V & 4 mA supply, 12.5 V Lockout, ±750 mA Peak Out, 200 kHz, SOIC-8

UCC28051D. - PFC Controller IC, 12 V to 18 V & 4 mA supply, 12.5 V Lockout, ±750 mA Peak Out, 200 kHz, SOIC-8

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Product Overview

The UCC28051D is a transition mode Power Factor Correction (PFC) Controller for low-to-medium power applications requiring compliance with IEC 1000-3-2 harmonic reduction standard. It is designed for a boost preregulator operating in transition mode (also referred to as boundary-conduction mode or critical conduction-mode operation). It features a transconductance voltage amplifier for feedback error processing, a simple multiplier for generating a current command proportional to the input voltage, a current-sense (PWM) comparator, PWM logic and a totem-pole driver for driving an external FET. In the transition mode operation, the PWM circuit is self-oscillating, with the turn-on being governed by an inductor zero-current detector (ZCD pin) and the turnoff being governed by the current-sense comparator. Additionally, the controller provides features such as peak current limit, default timer, overvoltage protection (OVP) and enable.
  • Industry pin compatibility with improved feature set
  • Improved transient response with slew-rate comparator
  • Accurate internal VREF for tight output regulation
  • OVP, open-feedback protection and enable circuits
  • ±750mA Peak gate drive current
  • Low startup and operating current
  • Green product and no Sb/Br


Power Management, Consumer Electronics, Lighting, Motor Drive & Control

Product Information

MSL 2 - 1 year
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