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L6591 - PWM controller

General Description

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Key Features

  • Complementary PWM control for soft-switched www. DataSheet4U. com half-bridge with programmable dead-time.
  • Up to 500 kHz operating frequency On-board high-voltage start-up Advanced light load management Adaptive UVLO Pulse-by-pulse OCP OLP (latched or autorestart) Transformer saturation detection Interface with PFC controller Latched disable input Input for power-on sequencing or brownout protection Programmable soft-sta.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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L6591 PWM controller for ZVS half-bridge Features ■ Complementary PWM control for soft-switched www.DataSheet4U.com half-bridge with programmable dead-time ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Up to 500 kHz operating frequency On-board high-voltage start-up Advanced light load management Adaptive UVLO Pulse-by-pulse OCP OLP (latched or autorestart) Transformer saturation detection Interface with PFC controller Latched disable input Input for power-on sequencing or brownout protection Programmable soft-start ■ ■ SO16 narrow SO-16 600 V-rail compatible high-side gate driver with integrated bootstrap diode and high dV/dt immunity SO16N package Applications ■ ■ ■ High power AC-DC adapter/charger Desktop PC, entry-level server Telecom SMPS 4 % precision external reference Figure 1.