May 1997 ML4825* High Frequency Power Supply Controller GENERAL DESCRIPTION The ML4825 High Frequency PWM Controller is an IC controller optimized for use in Switch Mode Power Supply designs running at frequencies to 1MHz.
Propagation delays are minimal through the comparators and logic for reliable high frequency operation while slew rate and bandwidth are maximized on the error amplifier.
This controller is designed to work in either voltage or current mode and provides for input voltage feed forward.
A 1V threshold current limit comparator provides cycleby-cycle current limit while exceeding a 1.
4V threshold initiates a soft-start cycle.
The soft start pin doubles as a maximum duty cycle...

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