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STNRG012 Datasheet PFC and time-shift LLC resonant controller

Manufacturer: STMicroelectronics

Overview: STNRG012 Datasheet Digital combo multi-mode PFC and time-shift LLC resonant controller for AC and DC input line Product status link STNRG012 Product.

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General Description

The STNRG012 embodies a multi-mode (Transition-Mode and DCM) PFC controller, a high-voltage double-ended controller for LLC resonant half-bridge, an 800 V-rated start-up generator and a sophisticated digital engine that manage optimal operation of three blocks.

The STNRG012 manages both input line AC or DC.

The device comes in a 20-pin SO package and offers an advanced solution for power-factor-corrected high-efficiency converters supposed to comply with the most stringent energy saving regulations.

Key Features

  • Digital combo multi-mode PFC + time-shift LLC resonant half-bridge controller.
  • Management of both AC and DC input.
  • Input voltage range up to 305 VAC.
  • On-board 800 V start-up circuit, line sense.
  • Enhanced fixed-on-time multi-mode TM PFC controller with input voltage feed- forward, new thd optimizer and frequency limitation.
  • Complete set of PFC protections.
  • Time-shift control of resonant half-bridge.
  • Brownout protection.

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