ML4827 Datasheet (Fairchild) - Fault-Protected PFC and PWM Controller Combo

ML4827, Fault-Protected PFC and PWM Controller Combo

The ML4827 is a controller for power factor corrected, switched mode power supplies, that includes circuitry Block Diagram 16 VEAO VFB 15 2.5V IAC 2 VRMS 4 ISENSE 3 RAMP 1 7 RAMP 2 8 8V VDC 6 VCC SS 5 DC ILIMIT 9 PULSE WIDTH MODULATOR 8V 50µA 1.25V * + * + 1 IEAO 3.5kΩ IEA + 0.5V <

ML4827 Features

* Pin-compatible with industry-standard ML4824-1 TriFault Detect™ to conform to UL1950™ requirements Available in 50% or 74% max duty cycle versions Low total harmonic distortion Reduces rippl