UC2861DW - Unitrode

Manufacturer Part Number

UC2861DW

Manufacturer

Texas Instruments

Introduction

The UC2861DW is a part of Texas Instruments' power management integrated circuit portfolio, designed for AC DC converters and offline switching applications.

Product Features and Performance

Integrated internal switches for design flexibility

Supports full-bridge, half-bridge, and push-pull topologies

Start-up voltage of 16.5 V

Operating supply voltage range from 10.5V to 22V

Soft start feature to reduce inrush current

Switching frequency range from 10kHz to 1MHz

Capable to operate in a temperature range of -25°C to 85°C

Product Advantages

Versatile topology support allows for use in a wide range of power applications

Integrated features can potentially reduce external component count

Built-in soft start feature helps improve reliability

Broad switching frequency range offers flexibility in design

Key Technical Parameters

Output Isolation: Non-Isolated

Internal Switches: Yes

Startup Voltage: 16.5 V

Supply Voltage (Vcc/Vdd): 10.5V to 22V

Operating Temperature Range: -25°C to 85°C

Switching Frequency: 10kHz to 1MHz

Quality and Safety Features

Robust design capable of operating in extended temperatures

Compatibility

Compatible with various AC DC conversion applications needing non-isolated outputs

Application Areas

Power supplies

DC-DC converters

Energy-efficient power solutions

Product Lifecycle

Product Status: Active

No indication of discontinuation, replacements, or upgrades at the cutoff knowledge date

Several Key Reasons to Choose This Product

Texas Instruments is a reputable manufacturer known for high-quality components

Highly adaptable to different power applications due to varied topology support

The broad operational temperature range makes it suitable for industrial environments

The wide supply voltage range offers design flexibility for different system voltages

High switching frequency capability permits the use of smaller passive components reducing overall size

The soft-start feature adds to the component's reliability and lifetime