CAT310 Datasheet, PDF (1/10 Pages) Catalyst Semiconductor – 10 Channel Automotive LED Display Driver

CAT310
10 Channel Automotive LED
Display Driver
Description
The CAT310 is a 10−channel LED driver for automotive and other
lighting applications. All LED output channels are driven from a low
on−resistance open−drain High Voltage CMOS Nch−FETs and are
fully compliant with “Load Dump” transients of up to 40 volts. The
LED bias current of each channel can be set independently using an
external series ballast resistor, making the device ideal for multi−color
instrumentation displays.
A high−speed serial interface (suitable with both 3.3 volt and 5 volt
systems) feeding a 10 bit shift register is used to program the desired
state (on/off) of each channel. The device offers a blanking control pin
(BLANK) which can be used to disable all channels on demand. A
serial output data pin (SOUT) is provided to daisy−chain devices in
large cluster LED applications.
During initial power up all channels are reset and cleared via an
under−voltage lock out (UVLO) detector and for added protection all
channels are disabled in the event of a battery over−voltage condition
(19 volts or more).
Features
• Automotive “Load Dump” Protection (40 V)
• 10 Independent LED Channels
• Up to 50 mA Output per Channel
• Overvoltage Detection at 19 V
• Serial Interface for Channel Programming
• Daisy Chain Output for Multi−driver Cascading
• LED Blanking Control
• Operating Temperature from −40°C to +125°C
• 20−pin SOIC Package
• This Device is Pb−Free, Halogen Free/BFR Free and RoHS
Compliant
Applications
• Automotive Lighting
• White and Other Color High Brightness LEDs
• Multi−color High−brightness LED Cluster Displays
• General LED Lighting
http://onsemi.com
SOIC−20
W SUFFIX
CASE 751BJ
PIN CONNECTIONS
SCLK
1
XLAT
SIN
SOUT
GND
OUT4
OUT3
OUT2
OUT1
OUT0
NC
BLANK
VCC
VBATT
PGND
OUT5
OUT6
OUT7
OUT8
OUT9
MARKING DIAGRAM
CAT310W
CAT310W = Specific Device Code
ORDERING INFORMATION
Device
CAT310W
Package
SOIC−20
(Pb−Free)
Shipping
1,000/Tape & Reel
© Semiconductor Components Industries, LLC, 2009
1
November, 2009 − Rev. 2
Publication Order Number:
CAT310/D