SP1820 Datasheet, PDF (1/7 Pages) SYNC POWER Crop. – Four Channels Constant Current LED Driver

SP1820
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
components. Internal thermal protection automatically
adjusts LED current to prevent overheating.
APPLICATIONS
z Battery Powered Devices
z Digital Camera
z PDA, MP3/4
z GPS
z Mobile Phone
z Keyboard/Display Backlight
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
z Low Cost LED Driver
z Constant Current Output
z Four Channels LED Driver Provides Matching
LED Current
z Low Quiescent Current
z Disconnects LEDs in Shutdown Mode
z Thermal Shut Down Protection
z Current Adjustable via external resistor
z Dimming Control thru either Enable or Iset
PIN CONFIGURATION(SOP – 8P)
PART MARKING
2009/04/20 Ver.2
Page 1