UC3856DWTR - Texas Instruments

Manufacturer Part Number

UC3856DWTR

Manufacturer

Texas Instruments

Introduction

Integrated circuit for power management, specifically a DC to DC switching controller

Product Features and Performance

Supports multiple topologies including Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull

Capable of Step-Up, Step-Down, Step-Up/Step-Down functions for voltage regulation

Dual output transistor driver configuration

Operates with single-phase output

High switching frequency up to 200kHz

Maximum duty cycle of 47%

Incorporates synchronous rectifier for efficiency

Clock synchronization feature for power supply noise minimization

Control features include enable, frequency control, and soft start

Designed for surface mount technology (SMT)

Product Advantages

Versatile with support for various converter topologies

Efficient power conversion with synchronous rectification and clock sync

User-friendly control features to ensure stable operation

High-voltage supply range from 7V to 40V supports diverse applications

Suitable for complex power supply designs

Key Technical Parameters

Voltage - Supply (Vcc/Vdd): 7V ~ 40V

Frequency - Switching: 200kHz

Duty Cycle (Max): 47%

Synchronous Rectifier: Yes

Clock Sync: Yes

Operating Temperature: 0°C ~ 70°C

Quality and Safety Features

Operates within standard commercial temperature ranges

Compliant with industry-standard safety and quality norms

Compatibility

Surface Mount compatible with 16-SOIC package

Can be used with single output phase systems

Application Areas

PCs and servers

Telecommunications

Networking systems

Industrial power supplies

Product Lifecycle

Product Status: Active

Not currently nearing discontinuation

Standard lifecycle, offering continued production and support

Several Key Reasons to Choose This Product

Broad applicability across various power management designs

Texas Instruments' reputation for reliability and performance

High-frequency switching capability for compact and efficient power supplies

Wide input voltage range caters to fluctuating supply conditions

Feature-rich with numerous control capabilities for precise power management

Surface mount form factor enabling modern, compact PCB designs