Sg3524n pwm powercontrol circuit st sg3524n voltage mode pwm controller voltage mode pwm controller 8v to 40v supply voltage 100ma output current 2 drivers 300khz operating frequency 45 duty cycle 1w power 0 to 70 c 16 dip case the sg3524 incorporates on a single monolithic chip all the function required for the construction of regulating power supplies inverters or switching regulators designed for switching regulators of either polarity transformer coupled dc to dc converters