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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.

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).

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STR-W6735 Quasi-Resonant Topology Primary Switching Regulators Features and Benefits ▪ 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) 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.