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FA5317 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
FA5317FUJ451Yes

FA5317 is a switching power supply control IC manufactured by Fuji Electric.

The FA5317 is a switching power supply control IC manufactured by Fuji Electric. Below are its specifications, descriptions, and features:

Specifications:

  • Manufacturer: Fuji Electric
  • Type: Switching Power Supply Control IC
  • Package: SOP-8 (Small Outline Package)
  • Operating Voltage Range: Typically 8V to 30V
  • Switching Frequency: Adjustable (external components determine frequency)
  • Output Drive: Direct drive for power MOSFETs
  • Protection Features: Overcurrent protection (OCP), undervoltage lockout (UVLO), soft-start function
  • Operating Temperature Range: -20°C to +85°C

Descriptions:

The FA5317 is designed for controlling switching power supplies in applications such as AC/DC adapters, DC/DC converters, and offline power supplies. It integrates essential functions for PWM (Pulse Width Modulation) control, ensuring efficient power conversion.

Features:

  • PWM Control: Fixed-frequency voltage-mode control.
  • Soft-Start Function: Reduces inrush current during startup.
  • Undervoltage Lockout (UVLO): Ensures proper operation within voltage limits.
  • Overcurrent Protection (OCP): Safeguards against excessive current.
  • Low Standby Power Consumption: Suitable for energy-efficient designs.
  • Compact Package: SOP-8 for space-saving PCB layouts.

This IC is commonly used in power supply circuits requiring stable and reliable switching control. For detailed application circuits and additional parameters, refer to the official datasheet from Fuji Electric.

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