SD42511 Datasheet (Silan) - 1A WHITE LED DRIVER

SD42511, 1A WHITE LED DRIVER

The SD42511 is a step-down PWM control LED driver with a built-in internal power MOSFET.

It achieves 1A continuous output current over a wide input supply range.

It provides thermal shutdown circuit, current limiting circuit and PWM dimming circuit.

SD42511 adopts current mode control.

Current mode

SD42511 Features

* Maximum 1A output current

* 0.25Ω built-in power MOSFET

* PWM dimming function

* 280KHz fixed frequency

* Excellent constant current accuracy ±1%

* High efficiency up to 90%

* Thermal shutdown

* Cycle-by-cycle over current protection

* 6-25V input voltage range