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L6562AT - Transition-mode PFC controller

General Description

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Key Features

  • Guaranteed for extreme temperature range (outdoor).
  • Proprietary multiplier design for minimum THD.
  • Very accurate adjustable output overvoltage protection.
  • Ultra-low (30 μA) start-up current.
  • Low (2.5 mA) quiescent current.
  • Digital leading-edge blanking on current sense.
  • Disable function on E/A input.
  • 1% (@ TJ = 25 °C) internal reference voltage.
  • -600/+800 mA totem pole gate driver with active pull-down during UVLO and voltage clamp Figure 1. Block di.

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L6562AT Transition-mode PFC controller Features ■ Guaranteed for extreme temperature range (outdoor) ■ Proprietary multiplier design for minimum THD ■ Very accurate adjustable output overvoltage protection ■ Ultra-low (30 μA) start-up current ■ Low (2.5 mA) quiescent current ■ Digital leading-edge blanking on current sense ■ Disable function on E/A input ■ 1% (@ TJ = 25 °C) internal reference voltage ■ -600/+800 mA totem pole gate driver with active pull-down during UVLO and voltage clamp Figure 1. Block diagram DIP-8 SO-8 ■ DIP-8/SO-8 packages Applications PFC pre-regulators for: ■ Street lighting ■ IEC61000-3-2 compliant SMPS (Flat TV, monitors, desktop PC, games) ■ Electronic ballast Table 1.