U6203SC - Offline Current Mode PWM Power Switch

This page provides the datasheet information for the U6203SC, a member of the U6202SC Offline Current Mode PWM Power Switch family.

Product Overview

Part number	U6203SC
Manufacturer	UNI SEMI
File Size	1.27 MB
Description	Offline Current Mode PWM Power Switch
Datasheet	U6203SC Datasheet
Additional preview pages of the U6203SC datasheet.

U620XC is a high performance current mode PWM power switch for offline flyback converter applications.

The IC has built-in General Primary Side CC control, which simplifies isolated power supply design that requires CC regulation of the output.

s.
General Primary Side Constant-Current (CC) Control Supports DCM and CCM Operation.
±5% CC Regulation , ±1% CV Regulation with Fast Dynamic Response.
CC Algorithm Compensates for Line Variation and Transformer Inductance Tolerance.
Less than 75mW Standby Power.
Current Mode Control.
Built -in Frequency Shuffling.
Fixed 65KHz Switching Frequency.
Green Mode and Burst Mode Control.
On-chip Thermal Shutdown.
Cycle -by-Cycle Current Limiting U620X.

Other Datasheets by UNI SEMI

Published: Nov 8, 2025 |