UC2846DWTR - Texas Instruments

Manufacturer Part Number

UC2846DWTR

Manufacturer

Texas Instruments

Introduction

The UC2846DWTR is a high-performance, dual-output, current-mode PWM controller designed for use in high-frequency, off-line and DC-DC switching power supplies.

Product Features and Performance

Dual-output PWM controller

Operates over a wide input voltage range of 6.95V to 40V

Switching frequency up to 500kHz

Supports various topologies including boost, flyback, forward, full-bridge, half-bridge, and push-pull

Provides step-up and step-up/step-down functions

Includes current limiting, enable, frequency control, and soft-start features

Synchronizable to an external clock

Maximum duty cycle of 50%

Single-phase output

Product Advantages

Wide input voltage range

High-frequency operation

Supports multiple power supply topologies

Comprehensive control features

Synchronizable to external clock

Key Technical Parameters

Input voltage range: 6.95V to 40V

Switching frequency: Up to 500kHz

Maximum duty cycle: 50%

Number of outputs: 2

Output configuration: Positive

Synchronous rectifier: Yes

Topology support: Boost, flyback, forward, full-bridge, half-bridge, push-pull

Quality and Safety Features

RoHS3 compliant

Operating temperature range: -40°C to 85°C

Compatibility

Suitable for a variety of high-frequency, off-line and DC-DC switching power supply applications

Application Areas

Industrial power supplies

Telecommunications equipment

Computing and networking devices

Automotive electronics

Medical equipment

Product Lifecycle

The UC2846DWTR is an active product, and there are no current plans for discontinuation.

Replacement or upgrade options may be available from Texas Instruments, depending on the specific application requirements.

Several Key Reasons to Choose This Product

Wide input voltage range

High-frequency operation for compact power supply design

Versatile topology support

Comprehensive control features for enhanced system performance

Synchronization capability for multi-phase power supply designs

Reliable operation over a wide temperature range

RoHS3 compliance for environmental sustainability