UCC3813N-2 - Unitrode

Manufacturer Part Number

UCC3813N-2

Manufacturer

Texas Instruments

Introduction

UCC3813N-2 is an integrated PWM controller for power management applications.

Product Features and Performance

Power Management IC

AC DC Converters, Offline Switches functionality

Integrated Internal Switch(es)

Supports Boost, Buck, Flyback, Forward topologies

1MHz Switching Frequency

Supports up to 99% Duty Cycle

Voltage Start Up of 12.5V

Supply Voltage range from 8.3V to 12V

Frequency Control for precise power management

Designed for Through Hole mounting

Operating Temperature from -55°C to 150°C

Product Advantages

High-frequency operation at 1MHz allows for smaller external components

Broad Operating Temperature range ideal for harsh environments

High Duty Cycle up to 99% enables efficient power conversion

Non-Isolated design simplifies circuit complexity

Key Technical Parameters

Topology: Boost, Buck, Flyback, Forward

Voltage - Start Up: 12.5 V

Voltage - Supply (Vcc/Vdd): 8.3V to 12V

Duty Cycle: 99%

Frequency - Switching: 1MHz

Operating Temperature: -55°C to 150°C

Quality and Safety Features

Wide Operating Temperature Range ensures reliability across various conditions

Compatibility

Package / Case: 8-DIP (0.300", 7.62mm)

Compatible with Through Hole mounting designs

Application Areas

Suitable for a variety of power management applications in electronics

Product Lifecycle

Obsolete status

Consider alternatives or consult manufacturer for replacement or upgrade options

Several Key Reasons to Choose This Product

High efficiency due to 99% Duty Cycle

Operational across a wide temperature range

Frequency Control allows for design flexibility

1MHz Switching Frequency enables compact power supply design

Robust Through Hole package for stable mounting