ML4827 - Fault-Protected PFC and PWM Controller Combo

Fairchild

The ML4827 by Fairchild is a Fault-Protected PFC and PWM Controller Combo. Below is the official datasheet preview.

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ML4827 Fault-Protected PFC and PWM Controller Combo by Fairchild - Datasheet Preview — Official preview page of the **ML4827** Fault-Protected PFC and PWM Controller Combo datasheet (Fairchild).

Datasheet Details

Part number	ML4827
Manufacturer	Fairchild
File Size	136.95 KB
Description	Fault-Protected PFC and PWM Controller Combo
Datasheet	ML4827_FairchildSemiconductor.pdf
Additional preview pages of the ML4827 datasheet.

ML4827 Product details

Description

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 + POWER FACTOR CORRECTOR BROKEN WIRE COMPARATOR 2.7V OVP + 2µA VREF VCCZ 13.5V 13 VCC VREF 7.5V 14 REFERENCE VEA + + S 1V + Q GAIN MO

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 ripple current in the storage capacitor between the PFC and PWM sections Average current, continuous boost leading edge PFC High efﬁciency trailing-edge PWM can be conﬁgured for current mode or voltage mod.

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Other Datasheets by Fairchild

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Published: May 7, 2005 |