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UCC28051DR +BOM

Transition mode PFC controller with 12.5V/9.7V UVLO and IEC61000-3-2 compliance, -40°C to 105

UCC28051DR General Description

Discover the UCC28051DR, a top-of-the-line PWM controller IC crafted for AC/DC power supplies and LED lighting systems. Featuring voltage mode control and an outstanding switching frequency of up to 500 kHz, this IC ensures seamless and efficient power conversion. Its broad supply voltage range of 8V to 20V, alongside the ability to support outputs up to 100W, makes it a versatile solution for various power requirements. With integrated protections against overvoltage, undervoltage, overcurrent, and thermal shutdown, the UCC28051DR prioritizes the safety and reliability of the system. Packaged in a compact 8-pin SOIC format, this IC is perfect for space-saving designs and straightforward PCB layout. By offering customizable switching frequency and duty cycle options, the UCC28051DR enables users to optimize efficiency and performance to suit specific application needs

Key Features

  • Transition Mode PFC Controller for Low Implementation Cost
  • Industry Pin Compatibility With Improved Feature Set
  • Improved Transient Response With Slew-Rate Comparator
  • Zero Power Detect to Prevent Overvoltage Protection (OVP) During Light Load Conditions
  • Accurate Internal VREF for Tight Output Regulation
  • Two UVLO Options
  • OVP, Open-Feedback Protection, and Enable Circuits
  • ±750-mA Peak Gate Drive Current
  • Low Start-Up and Operating Currents
  • Lead (Pb)-Free Packages

Specifications

Topology Boost Control mode TM
Switching frequency (max) (kHz) 200 UVLO thresholds on/off (V) 12.5/9.7
Vin (max) (V) 18 Features Enable, Overvoltage protection, Peak current mode, Supports Flyback, Transition Control Mode
Rating Catalog Operating temperature range (°C) -40 to 105
Duty cycle (max) (%) 99

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