Texas Instruments UC1853/UC2853/UC3853 Power Factor Preregulator Datasheet

The UC1853 UC2853 UC3853 are 3 high performance linear switch power supplies, with 8-pin packaging, internal oscillator, simple to use.

Brand: Texas Instruments
Category: Other Electronics
Document type: Datasheet
Language: English
Pages: 6
File format: PDF
File size: 204 KB
Published: 07 June, 2012
Updated: 30 September, 2023
Model: UC2853
MD5 checksum: F9B38D94B84BEF3729A29C01B0AF0652
PDF: Texas Instruments UC1853/UC2853/UC3853 Power Factor Preregulator Datasheet PDF

About this manual

The UC1853, UC2853, and UC3853 devices provide a complete 8-pin power factor solution with reduced external components. They utilize an internal oscillator and precision multiplier/squarer/divider circuits to implement average current mode PWM control with RMS line voltage compensation.

What's inside

Features
Description
Absolute Maximum Ratings
Electrical Characteristics
Pin Descriptions
Typical Application

Specifications

Operating Temperature (UC1853)	-55°C to +125°C
Operating Temperature (UC2853)	-25°C to +85°C
Oscillator Frequency (Typical)	75 kHz
Supply Voltage Turn-on Threshold	11.5 V typical

Frequently asked questions

What is the maximum supply voltage rating?

The absolute maximum supply voltage (VCC) is 40V.

How many pins does this device have?

These devices are available in 8-pin packages.

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