CAT310 Datasheet PDF - Catalyst Semiconductor
| Part Number | CAT310 | |
| Description | 10 Channel Automotive LED Display Driver | |
| Manufacturers | Catalyst Semiconductor | |
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CAT310
10 Channel Automotive LED Display Driver
FEATURES
• Automotive “load dump” protection (40V)
• 10 independent LED channels
• Up to 50mA output per channel
• Overvoltage detection at 19V
• Serial interface for channel programming
• Daisy chain output for multi-driver cascading
• LED blanking control
• Operating temperature from -40ºC to +125ºC
• 20-pin SOIC package
APPLICATIONS
• Automotive lighting
• White and other color high brightness LEDs
• Multi-color high-brightness LED cluster displays
• General LED lighting
ORDERING INFORMATION
Part
Number
CAT310J
CAT310W
Package
SOIC-20
SOIC-20
Lead free
Quantity
per Reel
1000
1000
Package
Marking
CAT310J
CAT310W
PRODUCT 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).
TYPICAL APPLICATION CIRCUIT
PIN DIAGRAM
SOIC 20-pin package
© 2005 Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Doc No. 25087, Rev. 00
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TYPICAL CHARACTERISTICS
VCC = 5V, VBATT = 14V, TAMB = 25ºC, unless otherwise specified.
VBATT Overvoltage Detection
Amplitude between 16V and 26V
CAT310
BLANK and Output waveform
18V
XLAT pull-down Current vs. Input Voltage
14
12 -40ºC
25ºC
10
8
6
125ºC
85ºC
4
2
0
012 345
XLAT VOLTAGE [V]
VBATT Load Dump
40V
© 2005 Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
BLANK pull-up Current vs. Input Voltage
14
25ºC
12
10 -40ºC
8
6 85ºC 125ºC
4
VCC = 5V
2
0
01 23 45
BLANK VOLTAGE [V]
Switch On-resistance vs. VCC
12
10
125ºC
8
85ºC
6
4 -40ºC
2
25ºC
0
23456
VCC VOLTAGE [V]
5 Doc No. 25087, Rev. 00
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for CAT310 electronic component. |
| Information | Total 10 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ CAT310.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| CAT310 | The function is 10 Channel Automotive LED Display Driver. Catalyst Semiconductor | |
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