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ML4824 - Power Factor Correction and PWM Controller Combo

General Description

The ML4824 is a controller for power factor corrected, switched mode power supplies.

Key Features

  • s s s Internally synchronized PFC and PWM in one IC Low total harmonic distortion Reduces ripple current in the storage capacitor between the PFC and PWM sections Average current, continuous boost leading edge PFC Fast transconductance error amp for voltage loop High efficiency trailing edge PWM can be configured for current mode or voltage mode operation Average line voltage compensation with brownout control PFC overvoltage comparator eliminates output “runaway” due to load removal Current fe.

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Datasheet Details

Part number ML4824
Manufacturer Micro Linear
File Size 262.39 KB
Description Power Factor Correction and PWM Controller Combo
Datasheet download datasheet ML4824 Datasheet

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Other Datasheets by Micro Linear

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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June 1998 ML4824* Power Factor Correction and PWM Controller Combo GENERAL DESCRIPTION The ML4824 is a controller for power factor corrected, switched mode power supplies. Power Factor Correction (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 IEC1000-2-3 specification. The ML4824 includes circuits for the implementation of a leading edge, average current, “boost” type power factor correction and a trailing edge, pulse width modulator (PWM). The device is available in two versions; the ML4824-1 (fPWM = fPFC) and the ML4824-2 (fPWM = 2 x fPFC).