UCC28019

ACTIVE

65kHz continuous conduction mode (CCM) PFC controller

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Product details

Parameters

Device type Single-phase PFC Control method CCM Operating supply (Max) (V) 22 Operating supply current (mA) 7 UVLO thresholds on/off (V) 10.5/9.5 Features < 150W Applications, > 750W Applications, Average Current Mode, OVP Rating Catalog Operating temperature range (C) -40 to 125 open-in-new Find other Power factor correction (PFC) controllers

Package | Pins | Size

PDIP (P) 8 93 mm² 9.81 x 9.43 SOIC (D) 8 19 mm² 3.91 x 4.9 open-in-new Find other Power factor correction (PFC) controllers

Features

  • 8-pin Solution Without Sensing Line Voltage Reduces External Components
  • Wide-Range Universal AC Input Voltage
  • Fixed 65-kHz Operating Frequency
  • Maximum Duty Cycle of 97%
  • Output Over/Under-Voltage Protection
  • Input Brown-Out Protection
  • Cycle-by-Cycle Peak Current Limiting
  • Open Loop Detection
  • Low-Power User Controlled Standby Mode
  • APPLICATIONS
    • CCM Boost Power Factor Correction Power Converters in the 100 W to >2 kW Range
    • Server and Desktop Power Supplies
    • Telecom Rectifiers
    • Industrial Electronics
    • Home Electronics

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Description

The UCC28019 8-pin active Power Factor Correction (PFC) controller uses the boost topology operating in Continuous Conduction Mode (CCM). The controller is suitable for systems in the 100 W to >2 kW range over a wide-range universal ac line input. Startup current during under-voltage lockout is less than 200 µA. The user can control low power standby mode by pulling the VSENSE pin below 0.77 V.

Low-distortion wave-shaping of the input current using average current mode control is achieved without input line sensing, reducing the Bill of Materials component count. Simple external networks allow for flexible compensation of the current and voltage control loops. The switching frequency is internally fixed and trimmed to better than 5% accuracy at 25°C. Fast 1.5-A gate peak current drives the external switch.

Numerous system-level protection features include peak current limit, soft over-current detection, open-loop detection, input brown-out detection, output over-voltage protection/under-voltage detection, a no-power discharge path on VCOMP, and overload protection on ICOMP. Soft-Start limits boost current during start-up. A trimmed internal reference provides accurate protection thresholds and regulation set-point. An internal clamp limits the gate drive voltage to 12.5 V.

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Similar but not functionally equivalent to the compared device:
UCC28019A ACTIVE 65kHz CCM PFC controller with Enhanced Start-up and Transient Response This product has improved power efficiency and feature set.
UCC28180 ACTIVE 18kHz-250kHz CCM PFC controller with Enhanced Start-up and Transient Response This product is a 8-pin continuous conduction mode (CCM) PFC controller, and has programmable frequency capability.

Technical documentation

= Top documentation for this product selected by TI
No results found. Please clear your search and try again. View all 4
Type Title Date
* Datasheet 8-Pin Continuous Conduction Mode (CCM) PFC Controller datasheet (Rev. B) Dec. 11, 2007
Technical articles PowerTips: Construct a low cost bridgeless PFC with an analog controller – Part I Nov. 20, 2014
Application notes Optimizing the UCC28019A to Avoid Audible Noise Jun. 20, 2013
User guides UCC28019 350W Evaluation Module Mar. 01, 2007

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Design tools & simulation

SIMULATION MODELS Download
SLUM056.ZIP (112 KB) - PSpice Model
SIMULATION MODELS Download
SLUM062.ZIP (44 KB) - PSpice Model
SIMULATION MODELS Download
SLUM525.ZIP (11 KB) - TINA-TI Spice Model
SIMULATION MODELS Download
SLUM526.TSC (471 KB) - TINA-TI Reference Design
CALCULATION TOOLS Download

Reference designs

REFERENCE DESIGNS Download
85VAC-265VAC Input 24V/240W Output 90% Efficient PFC + LLC
PMP5141 — The PMP5141 reference design provides a 24V/10A output with power factor correction from a universal AC input voltage range. This design uses the UCC28051 to control the front end PFC boost stage. The output of the PFC is followed by a UCC25600 LLC resonant half-bridge. The total efficieny, from (...)
REFERENCE DESIGNS Download
Universal AC DLP Power Supply (10V @ 6A)
PMP5500 — This reference design provides 400W of power from a universal AC input with power factor correction. The UCC28019A controls a PFC boost front end, while the UCC25600 LLC resonant-half bridge converts the PFC output to isolated 40V, 33V, and 27V outputs. The total system efficiency is over 89% with a (...)
REFERENCE DESIGNS Download
PFC Non-Isolated Flyback 390V@2.56A and 12V@250mA for Blower PSU
PMP2552 — The PMP2552 is a power factor corrected 1KW Boost converter. It takes advantage of the continuous conduction mode inductor's current to reduce the conducted emissions while maintaining simplicity with a 8-pin controller. A small auxiliary power supply provides the 12V for the housekeeping and is (...)

CAD/CAE symbols

Package Pins Download
PDIP (P) 8 View options
SOIC (D) 8 View options

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