Look no further than the Texas Instruments UCC3813N-2 current controller, perfect for dealing with varying levels of voltage between circuits. This current mode controller supports boost|buck|flyback|forward topology. Its single PWM output produces a current of 1000 mA. You can operate this at a switching frequency of 1000 kHz. In order to ensure parts aren"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 device has a maximum of 12 V. This current mode controller has an operating temperature range of 0 °C to 70 °C. This current mode controller"s maximum duty cycle is 100 %.