UC3800/B is a high-performance current mode PWM controller ideally suited for low standby power. High voltage startup is implemented in UC3800/B, which features with short startup time and no standby current. Features with Over Load protection and Short Circuit Protection.

Input Voltage Range 100 – 300 Vac
Input Rated Voltage 240 Vac
Input Current 300 mA
Standby Power at No Load <100 mW
Rated Frequency 50 Hz
No load Voltage 19.5 Vdc
Load Voltage 19 Vdc
Load Current 3.1 A
Output Power 60 Watt
Ripple <10%
Driver Efficiency (?) =85%
Output Short Circuit Protection Yes
Over voltage Protection Shut Down and Auto Recovery
Input over voltage protection Shut Down and Auto Recovery
Over temperature Protection >150 deg
Over load protection Shut Down and Auto Recovery


Applications: -
Water Purifier
Battery Charger
Power Adaptor
Set top box Power Supplies
Open frame SMPS