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ML4804

Fairchild
Part Number ML4804
Manufacturer Fairchild
Description Power Factor Correction and PWM Controller Combo
Published May 7, 2005
Detailed Description March 2001 PRELIMINARY ML4804 Power Factor Correction and PWM Controller Combo GENERAL DESCRIPTION The ML4804 is a cont...
Datasheet PDF File ML4804 PDF File

ML4804
ML4804

Overview
March 2001 PRELIMINARY ML4804 Power Factor Correction and PWM Controller Combo GENERAL DESCRIPTION The ML4804 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 IEC1000-3-2 specification.
Intended as a BiCMOS enhancement of the industry-standard ML4824, the ML4804 includes circuits for the implementation of leading edge, average current, “boost” type power factor correction and a trailing edge, pulse width modulator (PWM).
It also includes a TriFault Detect™ function to help ensure that no unsafe conditions will result from single component failure in the PFC.
1A gate-drive outputs minimize the need for external driver circuits.
Low power requirements improve efficiency and reduce component costs.
An over voltage comparator shuts down the PFC section in the event o...


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