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PQ2PF3 - Primary Regulator

General Description

SHARP’s PQ1PF3/PQ2PF3 are primary regulators for switching power supply.

It reduces parts count and power loss of the switching section, by integrating a power MOS-FET and control IC into a single chip.

Key Features

  • Five-terminal lead forming package (equivalent to TO-220).
  • Built-in oscillation circuit (oscillation frequency: 100 kHz).
  • Improved efficiency at low load, switching the oscillation frequency by external control signal.
  • Output for power supply 10 W class.
  • Built-in overheat protection, overcurrent protection, low voltage malfunction prevention function (24.6) 7.4 3.6 PQ1PF3/PQ2PF3 Primary Regulator for Switching Power Supply.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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PRODUCT INFORMATION ® APPLICATIONS: DVD Notebook PC Set Top Box POS Optoelectronics Group FEATURES • Five-terminal lead forming package (equivalent to TO-220) • Built-in oscillation circuit (oscillation frequency: 100 kHz) • Improved efficiency at low load, switching the oscillation frequency by external control signal • Output for power supply 10 W class • Built-in overheat protection, overcurrent protection, low voltage malfunction prevention function (24.6) 7.4 3.6 PQ1PF3/PQ2PF3 Primary Regulator for Switching Power Supply OUTLINE DIMENSIONS 10.2 MAX. 4.5 2.8 φ 3.2 (2.0) 1 2 3 5-0.8 4-(1.7) 4 5 (0.5) (5.0) 8.2 3.2 (1.5) DESCRIPTION SHARP’s PQ1PF3/PQ2PF3 are primary regulators for switching power supply.