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L6563A - Advanced transition-mode PFC controller

Description

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Features

  • Very precise adjustable output overvoltage protection.
  • Tracking boost function.
  • Protection against feedback loop failure (Latched shutdown).
  • Interface for cascaded converter's PWM controller.
  • Input voltage feedforward (1/V2).
  • Inductor saturation detection (L6563 only).
  • Remote ON/OFF control.
  • Low (≤ 90µA) start-up current.
  • 5mA max. quiescent current.
  • 1.5% (@ TJ = 25°C) internal reference voltage.
  • -600/+800 mA totem pole gate driver with act.

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L6563 L6563A Advanced transition-mode PFC controller Features ■ Very precise adjustable output overvoltage protection ■ Tracking boost function ■ Protection against feedback loop failure (Latched shutdown) ■ Interface for cascaded converter's PWM controller ■ Input voltage feedforward (1/V2) ■ Inductor saturation detection (L6563 only) ■ Remote ON/OFF control ■ Low (≤ 90µA) start-up current ■ 5mA max. quiescent current ■ 1.5% (@ TJ = 25°C) internal reference voltage ■ -600/+800 mA totem pole gate driver with active pull-down during UVLO ■ SO14 package SO-14 Applications PFC pre-regulators for: ■ HI-END AC-DC adapter/charger ■ Desktop PC, server, WEB server ■ IEC61000-3-2 OR JEIDA-MITI compliant SMPS, in excess of 350W Table 1.
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