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STRX6769B - Power IC for Quasi-Resonant Type Switching Power Supply

This page provides the datasheet information for the STRX6769B, a member of the STR-X6769B Power IC for Quasi-Resonant Type Switching Power Supply family.

Description

The STR- X6769B is power IC for quasi-resonant type switching power supply, incorporating a power MOSFET and a controller IC.

The product achieves high efficiency and low noise power supply systems by the quasi-resonant operation.

Features

  • Quasi-resonant operation mode Achieves the optimal high efficiency and low noise power supply systems.
  • Current mode control.
  • Built-in PWM oscillator The PWM operates with the minimum frequency of around 22kHz, until the quasi-resonant signal becomes valid, reduces the stress on components at startup and load-shorted.
  • Built-in soft start function.
  • Step-drive function, reducing switching noise.
  • Input compensation at overcurrent The function reduces the distortion.

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Datasheet preview – STRX6769B

Datasheet Details

Part number STRX6769B
Manufacturer Sanken
File Size 887.17 KB
Description Power IC for Quasi-Resonant Type Switching Power Supply
Datasheet download datasheet STRX6769B Datasheet
Additional preview pages of the STRX6769B datasheet.

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Full PDF Text Transcription

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Power IC for Quasi-Resonant Type Switching Power Supply with High Efficiency and Low Noise in Full Load Range STR-X6769B Sep. 2013 ◆General description The STR- X6769B is power IC for quasi-resonant type switching power supply, incorporating a power MOSFET and a controller IC. The product achieves high efficiency and low noise power supply systems by the quasi-resonant operation. ◆Features  Quasi-resonant operation mode Achieves the optimal high efficiency and low noise power supply systems.  Current mode control  Built-in PWM oscillator The PWM operates with the minimum frequency of around 22kHz, until the quasi-resonant signal becomes valid, reduces the stress on components at startup and load-shorted.
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