VIPER37

VIPER37 VIPerPlus family: fixed frequency offline converter Features ■ 800 V avalanche rugged power section ■ PWM operation with adjustable limiting current ■ 30 mW standby power at 265 Vac ■ Operating frequency: – 60 kHz for L type – 115 kHz for H type ■ Frequency jittering for low EMC ■ Output overvoltage protection ■ High primary current protection (2nd OCP) ■ Input undervoltage setting (brownout) ■ Onboard soft-start ■ Safe auto-restart after a fault condition ■ Hysteretic thermal shutdown Applications ■ SMPS for set-top boxes, DVD players and recorders, white goods ■ Auxiliary power supply for consumer and home equipment ■ ATX auxiliary power supply ■ Low / medium power AC-DC adapters SDIP10 Description This device is an offline converter with an 800 V rugged power section, a PWM control, two levels of overcurrent protection, overvoltage and overload protection, hysteretic thermal protection, soft-start, and safe auto-restart after the removal ...