UC3854BNG4 - Texas Instruments

Manufacturer Part Number

UC3854BNG4

Manufacturer

Texas Instruments

Introduction

The UC3854BNG4 is a discontinued power management integrated circuit (PMIC) designed for power factor correction (PFC) applications. It is a high-performance, average current-mode control circuit that provides a simple, cost-effective solution for meeting international power factor and harmonic current regulations.

Product Features and Performance

Average current-mode control for precise line-voltage regulation

Built-in soft-start function for controlled power-up

Overvoltage protection and undervoltage lockout

200kHz switching frequency for compact magnetic design

250μA startup current for low power consumption

Product Advantages

Precise line-voltage regulation for improved power factor and reduced harmonic distortion

Controlled power-up with soft-start function to prevent inrush current

Robust protection features for reliable and safe operation

High-frequency switching for compact and efficient power supply design

Key Reasons to Choose This Product

Proven technology and reliable performance from Texas Instruments

Cost-effective solution for meeting power quality regulations

Ease of design and integration into power supply applications

Optimized for compact and efficient power supply designs

Quality and Safety Features

Overvoltage protection to prevent damage from voltage spikes

Undervoltage lockout to ensure safe operation

Rigorous quality control and testing during manufacturing

Compatibility

Suitable for a wide range of power supply applications, including AC-DC converters, industrial equipment, and household appliances

Application Areas

Power factor correction (PFC) in AC-DC power supplies

Industrial and commercial equipment

Household appliances and electronics

Product Lifecycle

The UC3854BNG4 has been discontinued. However, there are several alternative and equivalent models available, including the UC3854B, UC3854C, and UCC28019. Customers are advised to contact our website's sales team for more information on available options and product lifecycle details.