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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 ze...