LM3842
Representative LM3842 image (package may vary by manufacturer)
Overview
The LM3842 is a step-down constant current LED driver. When the input voltage down to lower than LED forward voltage, then LM3842 run into LDO mode.
- n n n n n n n n n n
- Efficiency up to 93% 180 μA(TYP.) Quiescent Current Output Current: Up to 1A Internal Synchronous Rectifier 1.5MHz Switching Frequency Soft Start Under-Voltage Lockout Short LED Protection Open LED Protection Thermal Shutdown 5-pin Small SOT23-5 Packages Pb-Free Package