VIPER28LN ST AC-DC Controllers

The VIPER28LN is a low-power offline switched-mode power supply primary switcher integrating PWM controller and 800V power MOSFET in DIP-7 package. For selection, verify input from 85V to 265V AC, 800V MOSFET rating, 16W peak output power, fixed 60kHz switching frequency, and -40°C to +150°C operation. Features include current-mode control, auto-restart protection, hysteretic thermal shutdown, and frequency jittering for EMI reduction. Ideal for low-cost AC-DC adapters, auxiliary power supplies, LED drivers, and battery chargers. In stock at HL Electronics – request a quote for fast delivery.