The KA3525A is a monolithic integrated circuit that includes all of the control circuits necessary for a pulse width modulating regulator. There are a voltage reference, an error amplifier, a pulse width modulator, an oscillator, an under voltage lockout, a soft start circuit, and the output driver in the chip.

Electrical Characteristics:

? 5V ±1% Reference
? Oscillator Sync Terminal
? Internal Soft Start
? Deadtime Control
? Under Voltage Lockout