GENERAL DESCRIPTION
The ML 4802 is a controller for power factor corrected, switched mode power supplies that offers Green Mode operation and reduced start-up and operating currents. Green Mode is an efficiency improving circuit feature which operates automatically in low power situations. This feature helps meet the demands of Energy Star™ programs.

FEATURES
■ Internally synchronized PFC and PWM in one IC
■ Green Mode maximizes efficiency during low power standby operation
■ Low supply current (Start-up 200µA typ., operating 5.5mA typ.)
■ Average current continuous boost leading edge PFC
■ High efficiency trailing edge PWM can be configured for current mode operation
■ Reduced ripple current in the storage capacitor between the PFC and PWM sections
■ PFC overvoltage comparator eliminates output “runaway” due to load removal
■ Current fed gain modulator for improved noise immunity
■ Overvoltage protection, UVLO, and soft start