SD42511 Overview
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 Key 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
- Drive LED string