UC2844AD8TR - Texas Instruments

Manufacturer Part Number

UC2844AD8TR

Manufacturer

Texas Instruments

Introduction

The UC2844AD8TR is a current mode pulse width modulation (PWM) controller integrated circuit used in power supply controllers and monitors.

Product Features and Performance

Current Mode PWM Controller

Under-Voltage Lockout with Hysteresis

Low Start-Up Current

Trimmed Oscillator Discharge Current

Error Amplifier with Low Output Resistance

Pulse-by-Pulse Current Limiting

Enhanced Load Response Characteristics

Soft Start and Maximum Duty Cycle Clamp

Product Advantages

High efficiency through current mode control

Reliable with built-in safety features

Flexible operation with adjustable oscillator frequency

Precise performance due to internal trimming

Low power consumption at start-up

Key Technical Parameters

Input Voltage: -0.3V to 6.3V

Supply Voltage: 10V to 30V

Supply Current: 11 mA

Operating Temperature Range: -40°C to 85°C

Mounting Type: Surface Mount

Package / Case: 8-SOIC

Quality and Safety Features

Over-current protection

Internal thermal shutdown

Under-voltage lockout with hysteresis

Compatibility

The UC2844AD8TR is compatible with a range of power supply designs, relevant for various surface mount technologies due to its 8-SOIC package.

Application Areas

Switching power supplies

Power converters

Battery chargers

DC-DC modules

LED drivers

Product Lifecycle

Active product with no indication of discontinuation, replacements or upgrades appear to be regularly available.

Several Key Reasons to Choose This Product

Wide range of input and supply voltages for versatile use

Industry-leading performance from Texas Instruments

Robust construction for a diverse array of applications

Strong support for design and application development

Proven reliability in power management applications