UC3825DW - Texas Instruments

Manufacturer Part Number

UC3825DW

Manufacturer

Texas Instruments

Introduction

The UC3825DW is a highly efficient, highly integrated DC-DC switching controller suitable for a wide range of power conversion applications.

Product Features and Performance

High-speed PWM operation up to 460kHz

Ability to drive both N-channel and P-channel MOSFETs

Programmable soft-start function

Cycle-by-cycle current limiting

Under-voltage lockout with hysteresis

Temperature compensated reference

Shutdown mode for low power operation

Product Advantages

Wide input voltage range from 8.4V to 30V

Supports various topologies including buck, boost, flyback, forward, full-bridge, half-bridge, and push-pull

Able to perform step-up, step-down, and step-up/step-down voltage conversions

Configurable control features for optimized performance

Key Technical Parameters

Output type: Transistor driver

Mounting type: Surface mount

Operating temperature: 0°C to 70°C

Number of outputs: 2

Output configuration: Positive

Switching frequency: 340kHz to 460kHz

Maximum duty cycle: 85%

Output phases: 1

Quality and Safety Features

ROHS3 compliant

16-SOIC package

Compatibility

The UC3825DW is compatible with a wide range of power conversion applications.

Application Areas

Switching power supplies

Battery chargers

Industrial controls

Telecom equipment

Consumer electronics

Product Lifecycle

The UC3825DW is an active product and is not nearing discontinuation. Replacement or upgrade options are available from Texas Instruments.

Key Reasons to Choose This Product

High efficiency and fast switching speed

Flexible topologies and voltage conversion capabilities

Comprehensive control features for optimized performance

Wide input voltage range and operating temperature

Reliable and compact SOIC package

Proven performance and compatibility in a wide range of applications