1 Watt Led Driver Ic

Secondly a 1 watt led would require anywhere between 20 to 350 ma of current for operating 100 ma being a respectable current for driving these light machines.

1 watt led driver ic.

Ac dc led drivers 48 dc dc led drivers 35 linear led drivers 52 motor drivers. I was searching for a led driver that can also act as dimmer for my 10 watts leds and found the pt4115 ic which is kind of interesting. Load drivers relay drivers 28 motor drivers brushed 20 motor drivers brushless 85 motor drivers stepper 61 voltage references supervisors. It operates from an input supply between 6v and 30v and provides an externally adjustable output current of up to 1 2a and theoretically can provide up to 30w output power.

Voltage references 29 voltage supervisors 45 power modules. A 1 watt led is relatively huge when compared to a 1 5 v aaa cell source. Maxim s continually expanding portfolio includes products covering the full range of efficient switch mode topologies step down step up sepic as well as some linear led drivers. Led driver ic s high brightness led drivers are integrated circuits that are optimized to efficiently drive strings of high brightness leds.

The driver part works by using a cmos hex inverter cd4069 in which a couple of of the inverters structure an oscillator with 31 duty cycle at approximately 11 5 khz or 66us off time as well as 21us on time for the mosfet switch. The input mains 220v or 120v ac is half wave repaired by d1 and c1. C1 together with the inductor l0 and c2 make up a pie filter network for cacelling emi disturbenaces. The simple 1 watt led driver circuit buck converter presents approximately 90 efficiency.