Look no further than the Texas Instruments UC28023DW current controller, perfect for dealing with varying levels of voltage between circuits. Its single PWM output produces a current of 1500(Max) mA. This current mode controller supports boost|flyback|forward|full-bridge|half-bridge|push-pull topology. You can operate this at a switching frequency of 1000 kHz. In order to ensure parts aren&s;t damaged by bulk packaging, this product comes in tube packaging to add a little more protection by storing the loose parts in an outer tube. This current mode controller has a minimum operating temperature of -40 В°C and a maximum of 105 В°C. This current mode controller&s;s maximum duty cycle is 90(Typ) %. This device has a minimum operating supply voltage of 9 V and a maximum of 30 V.