Optimize your system by controlling it with this economy primary side pwm UCC3809P-2 secondary side PWM controller from Texas Instruments. This secondary side synchronous controller"s single output can produce a current up to 0.8 A. Its switching regulator has a 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 secondary side synchronous controller"s maximum duty cycle is 70(Typ) %. This secondary side synchronous controller has an operating temperature range of 0 °C to 70 °C.