1 Watt Led Driver Ic

C1 together with the inductor l0 and c2 make up a pie filter network for cacelling emi disturbenaces.

1 watt led driver ic.

A 1 watt led is relatively huge when compared to a 1 5 v aaa cell source. The input mains 220v or 120v ac is half wave repaired by d1 and c1. Ac dc led drivers 48 dc dc led drivers 35 linear led drivers 52 motor drivers. Integrated driver mosfet 59 led drivers.

Voltage references 29 voltage supervisors 45 power modules. Load drivers relay drivers 28 motor drivers brushed 20 motor drivers brushless 85 motor drivers stepper 61 voltage references supervisors. 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. The circuit working of this 1 watt to 12watt led driver may be known as presented under.

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. 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. 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 simple 1 watt led driver circuit buck converter presents approximately 90 efficiency.