ML4818 Datasheet PDF - Fairchild Phase Modulation/Soft Switching Controller Specs

ML4818 - Phase Modulation/Soft Switching Controller

Datasheet Summary

Description

The ML4818 is a complete phase modulation control IC suitable for full bridge soft switching converters.

Unlike conventional PWM circuits, the phase modulation technique allows for zero-voltage switching transitions and square wave drive across the transformer.

Features

Full bridge phase modulation zero voltage switching circuit with programmable ZV transition times.
Constant frequency operation to 500kHz.
Current mode operation.
Cycle-by-cycle current limiting with integrating fault detection and restart delay.
Precision buffered 5V reference (+1%).
Four 1.5A peak current totem-pole output drivers.
Under-voltage lockout circuit with 6V hysteresis.
Power DIP package General.

Datasheet Details

Part number	ML4818
Manufacturer	Fairchild
File Size	92.38 KB
Description	Phase Modulation/Soft Switching Controller
Datasheet	ML4818 Datasheet
Additional preview pages of the ML4818 datasheet.

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Full PDF Text Transcription

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www.fairchildsemi.com ML4818 Phase Modulation/Soft Switching Controller Features • Full bridge phase modulation zero voltage switching circuit with programmable ZV transition times • Constant frequency operation to 500kHz • Current mode operation • Cycle-by-cycle current limiting with integrating fault detection and restart delay • Precision buffered 5V reference (+1%) • Four 1.5A peak current totem-pole output drivers • Under-voltage lockout circuit with 6V hysteresis • Power DIP package General Description The ML4818 is a complete phase modulation control IC suitable for full bridge soft switching converters. Unlike conventional PWM circuits, the phase modulation technique allows for zero-voltage switching transitions and square wave drive across the transformer.

Published: May 7, 2005 |