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UC2846Q Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
UC2846QTI281Yes

UC2846Q** is a current-mode PWM controller manufactured by **Texas Instruments (TI)**.

The UC2846Q is a current-mode PWM controller manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:

Specifications:

  • Manufacturer: Texas Instruments (TI)
  • Type: Current-Mode PWM Controller
  • Topology: Supports Flyback, Forward, Push-Pull, and Boost Converters
  • Operating Frequency: Up to 500 kHz
  • Output Drive Current: 1A Peak (suitable for driving power MOSFETs)
  • Supply Voltage (VCC): 8V to 40V
  • Duty Cycle Range: 0% to 100%
  • Error Amplifier Bandwidth: 3 MHz
  • Package: 16-Pin CDIP (Ceramic Dual In-Line Package)
  • Operating Temperature Range: -55°C to +125°C

Descriptions:

The UC2846Q is a high-performance PWM controller designed for DC-DC power conversion applications. It operates in current-mode control, providing improved loop response and simplified compensation. The device includes features such as soft-start, cycle-by-cycle current limiting, and undervoltage lockout (UVLO) for robust power supply designs.

Features:

  • Current-Mode Control for enhanced transient response
  • Programmable Oscillator Frequency with sync capability
  • Precision Reference Voltage (5V ±1%)
  • Soft-Start Function for controlled startup
  • Undervoltage Lockout (UVLO) for protection
  • Cycle-by-Cycle Current Limiting
  • Dual Alternating Outputs for push-pull and bridge topologies
  • High Noise Immunity due to leading-edge blanking

The UC2846Q is commonly used in switching power supplies, inverters, and motor control applications where reliable PWM control is required. Its military-grade temperature range (-55°C to +125°C) makes it suitable for harsh environments.

For detailed application notes and schematics, refer to the official TI datasheet.

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