Datasheet Summary
Four Channels Constant Current LED Driver
DESCRIPTION The SP1820 is a four channels constant current driver white LED. The device can drive up to 20mA load current per channel from single cell Lithium Ion battery. SP1820 can provide lowest cost LED driver for various applications. It does not require any external ponents. Internal thermal protection automatically adjusts LED current to prevent overheating. The dimming control can be achieved by feeding a PWM or analog signal into the Iset pin. The device can be shut down by Enable low. APPLICATIONS z Battery Powered Devices z Digital Camera z PDA, MP3/4 z GPS z Mobile Phone z Keyboard/Display Backlight
Features z Low Cost LED...