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DAP005 - Advanced transition-mode PFC controller

General Description

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Key Features

  • Advanced transition-mode PFC controller Custom Data.
  • Transition-mode control of PFC pre-regulators.
  • 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).
  • AC brownout protection.
  • Low (≤ 90µA) start-up current.
  • < 5mA quiescent current.
  • 1.4% (@ TJ = 25°C) internal reference volt.

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DAP005 Features Advanced transition-mode PFC controller Custom Data ■ Transition-mode control of PFC pre-regulators ■ 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) ■ AC brownout protection ■ Low (≤ 90µA) start-up current ■ < 5mA quiescent current ■ 1.4% (@ 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 250W Table 1.