Description The LC5910S is the buck single-output LED driver IC that achieves the LED drive with few components, high efficiency, and high accuracy. The IC has various protections and configures various LED circuits. The PWM dimming and the three-level dimming (the reference voltage selection function for LED current limiting) are available. Features Converter Parts ● Critical Current Mode (CRM) Control (Low switching loss, low noise, reduction in the number of components) ● Enable Function ● Bottom Detection Voltage 100 mV (typ.) LED Control Parts ● PWM Dimming Function ● Reference Voltage Selection Function for LED Current Limiting (three levels, 75% to 100%) ● Current Reference Accuracy: ±1% Protections ● LED Output Short Circuit Protection: Pulse-by-pulse ● Current Detection Short Circuit Protection: Autorestart ● Input Voltage Drop Protection: Auto-restart ● Overvoltage Protection (OVP): Auto-restart, fault output ● Thermal Shutdown (TSD) with Hysteresis: Autorestart