KA3525A is generally used for switching power supply pulse width modulation, It is an improved version of SG3524 with switching frequency up to 200kHz, suitable for driving n-channel MOS power tube, switching power supply pulse width modulator (PWM), double-end output medium speed type, working voltage range 6-40V, internal reference voltage of 5V, and maximum output current of internal drive tube of 100MA. Double-row 16 pin II for military products, III for civilian products 3525B accuracy of ±0.75% 3525A accuracy of ±1% B series can replace A series.