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UCC3818N Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
UCC3818NTI430Yes

UCC3818N is a BiCMOS power factor correction (PFC) controller manufactured by Texas Instruments (TI) under the UNITRODE brand.

The UCC3818N is a BiCMOS power factor correction (PFC) controller manufactured by Texas Instruments (TI) under the UNITRODE brand.

Specifications:

  • Input Voltage Range: 10V to 17V
  • Operating Frequency: Up to 250 kHz
  • Output Drive Current: ±1.5A (peak)
  • Supply Current: 5mA (typical)
  • Reference Voltage: 7.5V (with ±1% accuracy)
  • Soft-Start Time: Programmable
  • Package: 8-Pin PDIP (Plastic Dual In-Line Package)

Descriptions:

The UCC3818N is designed for average current mode control in power factor correction (PFC) circuits. It provides high-performance PFC with low distortion and high efficiency. The IC includes features like an integrated multiplier, voltage error amplifier, and current sensing amplifier for precise control.

Features:

  • Average Current Mode Control for low distortion
  • Programmable Switching Frequency (up to 250 kHz)
  • Low Start-Up Current (150µA typical)
  • Undervoltage Lockout (UVLO) with hysteresis
  • Peak Current Limiting for protection
  • Soft-Start Function to reduce inrush current
  • Zero Current Detection for discontinuous conduction mode (DCM) operation

This information is based on the manufacturer's datasheet. For detailed electrical characteristics and application circuits, refer to the official TI/UNITRODE documentation.

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