High Voltage Green Mode PWM Controller OB5269 GENERAL DESCRIPTION OB5269 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

OB5269B High Voltage Green Mode PWM Controller with Brownout GENERAL DESCRIPTION OB5269B 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 tight