SP1820-Four Channels Constant Current LED Driver DataSheet
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 components. 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.
FEATURES
Low Cost LED Driver
Constant Current Output
Four Channels LED Driver Provides Matching LED Current
Low Quiescent Current
Disconnects LEDs in Shutdown Mode
Thermal Shut Down Protection
Current Adjustable via external resistor
Dimming Control thru either Enable or Iset
APPLICATIONS
Battery Powered Devices
Digital Camera
PDA,MP3/4
GPS
Mobile Phone
Keyboard/Display Backligh
|