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STR-W6735 Datasheet Quasi-resonant Topology Primary Switching Regulators

Manufacturer: Allegro MicroSystems

Overview: STR-W6735 Quasi-Resonant Topology Primary Switching Regulators.

General Description

The STR-W6735 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.

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.
  • 500 V / 0.57 Ω, 160 W (120 Vac input).

Similar Datasheet

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STR-W6735 Distributor