Our advantages 

Chinese manufacturing processes have undergone years of iteration, resulting in mature and reliable technologies. Many international corporations opt for production outsourcing in China. As an electronic components manufacturer in China, our products can fully replace those of major international brands in 99% of applications without the need for testing verification. Our products boast high consistency in quality, reasonable pricing, ample inventory, flexible supply, short lead times, and professional after-sales service. 

Description

UC3843AN is a current-mode PWM integrated circuit designed for switching power supplies. It offers significant advantages over voltage control methods in aspects such as load response and linearity of adjustment.

Features

● Includes undervoltage lockout circuit

● Low startup current (typical value is70uA)

● Stable internal reference voltage source

● High-current totem-pole output (drive current up to 1A)

● Operating frequency up to 500kHz

● Automatic feedback compensation circuit

● Double pulse suppression

● Strong load response characteristics

Applications

● LCD monitor, LCD TV
● Digital Frame
● TV set top box
● Modulator demodulators
● Various telephones and network equipment