UC3842AD8 - Texas Instruments

Manufacturer Part Number

UC3842AD8

Manufacturer

Texas Instruments

Introduction

The UC3842AD8 is a fixed frequency current-mode PWM controller.

Product Features and Performance

Current-Mode Operation

Trimmed Oscillator Discharge Current

Automatic Feed Forward Compensation

Pulse-by-pulse Current Limiting

Enhanced Load Response Characteristics

Under-Voltage Lockout with Hysteresis

Double Pulse Suppression

High Current Totem Pole Output

Internally Trimmed Bandgap Reference

500 kHz Operation Guaranteed

Product Advantages

Highly stable for consistent performance

Low power startup and operation

Advanced protection features

Proven reliability in industry applications

Key Technical Parameters

Power Supply Controller Type: PWM Controller

Voltage - Input: -0.3V ~ 6.3V

Voltage - Supply: 10V ~ 30V

Current - Supply: 11 mA

Operating Temperature: 0°C ~ 70°C

Mounting Type: Surface Mount

Package/Case: 8-SOIC

Supplier Device Package: 8-SOIC

Quality and Safety Features

Overcurrent Protection

Thermal Shutdown

Internal Soft Start

Compatibility

Compatible with a variety of power configurations

Application Areas

Switch Mode Power Supplies (SMPS)

DC to DC Converters

Battery Chargers

Power Supply Units for Consumer Electronics

Product Lifecycle

Last Time Buy status

Future availability may be limited

Several Key Reasons to Choose This Product

Stable and reliable PWM performance

Low operational costs with efficient power conversion

Suitable for a wide range of power management applications

Texas Instruments' robust support and documentation

Industry-proven technology with a track record of success

High integration levels reduce external component count