UC3869H Datasheet (UTC) - HIGH VOLTAGE GREEN MODE PWM CONTROLLER

UC3869H, HIGH VOLTAGE GREEN MODE PWM CONTROLLER

The UTC UC3869H is a highly integrated current mode PWM control IC with high voltage start up, optimized for high performance, low standby power consumption and cost effective offline flyback converter applications.

PWM switching frequency at normal operation is internally fixed and is trimmed to a

UC3869H Features

* High voltage startup

* Power on soft start reducing MOSFET Vds stress

* Efficiency and minimum standby power

* Frequency shuffling for EMI

* Audio noise free operation

* Fixed 100KHZ switching frequency

* Comprehensive protection coverage VDD Under Voltage Lockout with