CAT310W-T1 CATALYST SEMICONDUCTOR, CAT310W-T1 Datasheet

IC, LED DRIVER, LINEAR, SOIC-20

CAT310W-T1

Manufacturer Part Number
CAT310W-T1
Description
IC, LED DRIVER, LINEAR, SOIC-20
Manufacturer
CATALYST SEMICONDUCTOR
Datasheet
1.CAT310W-T1.pdf (10 pages)

Specifications of CAT310W-T1

Led Driver Application
Automotive Lighting, LED Cluster Displays
No. Of Outputs
10
Output Current
50mA
Output Voltage
17V
Input Voltage
3V To 5.5V
Topology
Linear
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
CAT310
10 Channel Automotive LED
Display Driver
Description
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.
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.
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
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Applications
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© Semiconductor Components Industries, LLC, 2009
November, 2009 − Rev. 2
The CAT310 is a 10−channel LED driver for automotive and other
A high−speed serial interface (suitable with both 3.3 volt and 5 volt
During initial power up all channels are reset and cleared via an
Compliant
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
Automotive Lighting
White and Other Color High Brightness LEDs
Multi−color High−brightness LED Cluster Displays
General LED Lighting
1
CAT310W
Device
SOUT
SCLK
OUT4
OUT3
OUT2
OUT1
OUT0
XLAT
CAT310W = Specific Device Code
GND
SIN
ORDERING INFORMATION
MARKING DIAGRAM
PIN CONNECTIONS
http://onsemi.com
(Pb−Free)
SOIC−20
Package
CASE 751BJ
W SUFFIX
CAT310W
SOIC−20
1
Publication Order Number:
1,000/Tape & Reel
Shipping
NC
BLANK
VCC
VBATT
PGND
OUT5
OUT6
OUT7
OUT8
OUT9
CAT310/D

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CAT310W-T1 Summary of contents

Page 1

... SOIC−20 W SUFFIX CASE 751BJ PIN CONNECTIONS SCLK 1 XLAT SIN SOUT GND OUT4 OUT3 OUT2 OUT1 OUT0 MARKING DIAGRAM CAT310W CAT310W = Specific Device Code ORDERING INFORMATION Device Package CAT310W SOIC−20 (Pb−Free BLANK VCC VBATT PGND OUT5 OUT6 OUT7 OUT8 OUT9 Shipping 1,000/Tape & ...

Page 2

V BATTERY 14 V (typical Table 1. ABSOLUTE MAXIMUM RATINGS Parameter VCC voltage Input voltage range (SIN, SCLK, BLANK, XLAT) SOUT voltage range Peak OUT0 to OUT9 voltage VBATT input voltage DC output current ...

Page 3

Electrical Operating Characteristics Table 3. DC CHARACTERISTICS (VCC = 5.0 V, −40°C ≤ T ≤ 125°C, over recommended operating conditions unless specified otherwise.) A Symbol Name I Standby Quiescent Current STBY V VBATT Over Voltage OVP Protection Trigger threshold V ...

Page 4

V UVLO + – VCC SCLK SIN XLAT DISABLE BLANK OR + VBATT – GND PGND Figure 2. Block Diagram http://onsemi.com RESET 10 BIT SHIFT REGISTER 10 BIT DATA LATCHES 10 BIT DRIVER DRV0 DRV9 SW−0 SW−9 ...

Page 5

PIN DESCRIPTIONS VCC is the supply input for the internal logic and is compatible with both 3.3 V and 5 V systems. The logic is held in a reset state until VCC exceeds 2 recommended that a ...

Page 6

VCC = 5 V, VBATT = VBATT 5V/div 18V LED current 50mA/ div 1 msec / div Figure 3. VBATT Overvoltage Detection Amplitude between 16 V and ...

Page 7

VCC = 5 V, VBATT = OUTPUT PIN BIAS VOLTAGE (V) Figure 9. Output Channel Leakage vs. Bias Voltage ...

Page 8

SCLK SIN t pd SOUT XLAT BLANK OUTn Application Information For applications with a large number of LEDs, several CAT310 drivers can be daisy chained. The serial data output pin (SOUT) of the first driver is ...

Page 9

PIN#1 IDENTIFICATION TOP VIEW D A SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MS-013. PACKAGE DIMENSIONS SOIC−20, 300 mils CASE 751BJ−01 ISSUE O SYMBOL ...

Page 10

... Product Number (Optional) 310 2. The device used in the above example is a CAT310W−T1 (SOIC, Tape & Reel, 1,000 / Reel). 3. All packages are RoHS−compliant (Lead−free, Halogen−free). 4. The standard lead finish is Matte−Tin. 5. For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D ...

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