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STRW6765 Datasheet Quasi-Resonant Topology Primary Switching Regulators

Manufacturer: Allegro MicroSystems

Download the STRW6765 datasheet PDF. This datasheet also includes the STR-W6765 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (STR-W6765_AllegroMicroSystems.pdf) that lists specifications for multiple related part numbers.

General Description

The STR-W6765 is a quasi-resonant topology IC designed for SMPS applications.

It shows lower EMI noise characteristics than conventional PWM solutions, especially at greater than 2 MHz.

It also provides a soft-switching operation to turn on the internal MOSFET at close to zero voltage (VDS bottom point) by use of the resonant characteristic of primary inductance and a resonant capacitor.

Overview

www.DataSheet4U.com STR-W6765 Quasi-Resonant Topology Primary Switching.

Key Features

  • Quasi-resonant topology IC ⇒ Low EMI noise and soft switching.
  • Bottom-skip operation ⇒ Improved system efficiency over the entire output load by avoiding increase of switching frequency.
  • Standby burst mode operation ⇒ Lowers input power at very light output load condition.
  • Avalanche-guaranteed MOSFET ⇒ Improves systemlevel reliability and does not require VDSS derating.
  • 800 V / 1.8 Ω, 52 to 110 W (Universal/230 Vac input).

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