... CONTROL 3.INTERNAL SOFT-START 4.DUAL SOURCE/SINK OUTPUT DRIVERS DescriptionPWM CONTROLLER, DUAL, V MODE, 500KHZPrimary Input Voltage:35VNo. of Outputs ... :35VSupply Voltage Min:4.5VPower Dissipation:1000mW STMICROELECTRONICS - SG3525AN - PWM CONTROLLER, DUAL, V MODE, 500KHZ