UC2842AN - onsemi

Manufacturer Part Number

UC2842AN

Manufacturer

onsemi

Introduction

UC2842AN is a high-performance current mode controller used for power management applications.

Product Features and Performance

Current mode operation for improved transient response

Low startup and operating current

Trimmed oscillator for precise frequency control

Automatic feed-forward compensation

Pulse-by-pulse current limiting

Enhanced load response characteristics

Under-voltage lockout with hysteresis

Double-pulse suppression

Product Advantages

High performance for power management tasks

Low power operation extends battery life

Robust current limiting enhances protection

Easy implementation in various circuit topologies

Key Technical Parameters

Voltage supply range: 10V ~ 30V

Switching frequency: Up to 500kHz

Maximum duty cycle: 96%

Operating temperature range: -25°C ~ 85°C

Quality and Safety Features

Under-voltage lockout for system-level protection

Current limiting for power transistor protection

Compatibility

Compatible with several topologies including Boost and Flyback

Isolation capability for safety and noise reduction

Application Areas

Switching power supplies

DC-DC converters

Power factor correction circuits

Product Lifecycle

Obsolete product, may have limited availability

Potential availability of replacements or upgrades through onsemi

Several Key Reasons to Choose This Product

Precise control and stable operation for power regulation

Flexible in various circuit designs

Robust protection mechanisms enhance component longevity

Suitable for high-frequency applications with up to 500kHz operation

Economic solution for power control with through-hole mounting convenience