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CAT310W Datasheet(PDF) 1 Page - Catalyst Semiconductor |
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CAT310W Datasheet(HTML) 1 Page - Catalyst Semiconductor |
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1 / 11 page  CAT310 © Catalyst Semiconductor, Inc. 1 Doc No. 25087, Rev. 1 Characteristics subject to change without notice 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 Package Quantity per Reel Package Marking CAT310W SOIC-20 Lead free 1000 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). For Ordering Information details, see page 10. TYPICAL APPLICATION CIRCUIT PIN DIAGRAM SOIC 20-pin package |
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