ML4826 Datasheet PDF (PFC and Dual Output PWM Controller Combo)

ML4826 - PFC and Dual Output PWM Controller Combo

Description

The ML4826 is a high power controller for power factor corrected, switched mode power supplies.

PFC allows the use of smaller, lower cost bulk capacitors, reduces power line loading and stress on the switching FETs, and results in a power supply that fully complies with IEC1000-3-2 speciﬁcations.

Features

Internally synchronized PFC and PWM in one IC.
Low total harmonic distortion.
Low ripple current in the storage capacitor between the PFC and PWM sections.
Average current, continuous boost, leading edge PFC.
High efﬁciency trailing edge PWM with dual totem-pole outputs.
Average line voltage compensation with brown-out control.
PFC overvoltage comparator eliminates output “runaway” due to load removal.
Current-fed multiplie.

Datasheet Details

Part number	ML4826
Manufacturer	Fairchild
File Size	431.46 KB
Description	PFC and Dual Output PWM Controller Combo
Datasheet	ML4826 Datasheet
Additional preview pages of the ML4826 datasheet.

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Full PDF Text Transcription

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www.fairchildsemi.com ML4826 PFC and Dual Output PWM Controller Combo Features • Internally synchronized PFC and PWM in one IC • Low total harmonic distortion • Low ripple current in the storage capacitor between the PFC and PWM sections • Average current, continuous boost, leading edge PFC • High efﬁciency trailing edge PWM with dual totem-pole outputs • Average line voltage compensation with brown-out control • PFC overvoltage comparator eliminates output “runaway” due to load removal • Current-fed multiplier for improved noise immunity • Overvoltage protection, UVLO, and soft start General Description The ML4826 is a high power controller for power factor corrected, switched mode power supplies.

Published: May 7, 2005 |