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L6569 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
L6569ST192Yes

L6569 is a power factor correction (PFC) controller manufactured by STMicroelectronics.

The L6569 is a power factor correction (PFC) controller manufactured by STMicroelectronics. Below are the factual specifications, descriptions, and features from the Manufactor Datasheet:

Manufacturer: STMicroelectronics (ST)

Specifications:

  • Input Voltage Range: 8.5V to 18V (VCC supply)
  • Operating Frequency: Up to 300 kHz
  • Start-Up Current: < 50 µA
  • Quiescent Current: < 6 mA
  • Output Drive Capability: ±600 mA (totem pole output)
  • Overvoltage Protection (OVP): Adjustable
  • Undervoltage Lockout (UVLO): Fixed at 8.5V (turn-on) and 7.6V (turn-off)
  • Operating Temperature Range: -40°C to +125°C
  • Package: SO-16

Descriptions:

  • The L6569 is a transition-mode (boundary conduction mode, BCM) PFC controller designed for boost converters.
  • It ensures high power factor correction and low harmonic distortion in AC-DC power supplies.
  • The device includes features for enhanced performance, such as precise output voltage regulation and protection mechanisms.

Features:

  • Transition-Mode PFC Operation: Ensures high efficiency and low EMI.
  • Multiplier-Based Control: Provides accurate input current shaping.
  • Adjustable Output Voltage Regulation: Allows flexibility in design.
  • Zero Current Detection (ZCD): Ensures operation in boundary conduction mode.
  • Internal Startup Timer: Reduces external component count.
  • Soft-Start Function: Minimizes inrush current.
  • Overvoltage Protection (OVP): Prevents damage due to excessive output voltage.
  • Under-Voltage Lockout (UVLO): Ensures proper startup and shutdown.

This information is based solely on the manufacturer's datasheet and technical documentation.

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