资 源 简 介
NCP3066, NCV3066 pdf,datasheet
Up to 1.5 A Constant Current Switching Regulator for LEDs with ON/OFF FuncTIon
The NCP3066 is a monolithic switching regulator designed todeliver constant current for powering high brightness LEDs. Thedevice has a very low feedback voltage of 235 mV (nominal) which isused to regulate the average current of the LED string. In addiTIon, theNCP3066 has a wide input voltage up to 40 V to allow it to operatefrom a 12 Vac or a 12−36 Vdc supply, commonly used for lighTIngapplicaTIons as well as unregulated supplies such as rechargeablebatteries. The NCP3066 switching regulator can be configured inStep−Down (Buck), Step−Up (Boost) and Voltage−Invertingtopologies with a minimum number of external components. TheON/OFF pin provides PWM dimming capability or a low powershutdown mode.
