UCC2807N-2 - Unitrode

Manufacturer Part Number

UCC2807N-2

Manufacturer

Texas Instruments

Introduction

The UCC2807N-2 is a high-performance, pulse-width modulation (PWM) controller designed for power supply applications, such as AC DC converters and offline switches.

Product Features and Performance

Adjustable duty cycle up to 78%

High switching frequency of 1MHz

Start-up voltage of 12.5V

Operating voltage range of 8.3V to 13.5V

Product Advantages

High frequency allows for smaller external components

Wide voltage range supports various applications

Boost, Flyback, and Forward topologies enhance flexibility in circuit design

Key Technical Parameters

Duty Cycle: 78%

Frequency Switching: 1MHz

Voltage Supply (Vcc/Vdd): 8.3V ~ 13.5V

Operating Temperature: -55°C ~ 150°C (TJ)

Quality and Safety Features

Current limiting for fault protection

Compatibility

Supports Boost, Flyback, and Forward topologies

Application Areas

AC to DC conversion

Power supply units

Offline switching applications

Product Lifecycle

Obsolete status, check for replacements or upgrades before using in new designs

Several Key Reasons to Choose This Product

High reliability in extreme temperature ranges from -55°C to 150°C

Flexibility in design with adjustable duty cycle and support for multiple topologies

Enhanced safety features with built-in current limiting feature

High-frequency operation reduces the size of passive components