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TLC59283RGET Datasheet(PDF) 1 Page - Texas Instruments |
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TLC59283RGET Datasheet(HTML) 1 Page - Texas Instruments |
1 / 29 page SIN SCLK LAT BLANK SOUT GND VCC Device 1 OUT0 OUT15 VCC VLED VLED DATA SCLK LAT BLANK R IREF IREF Controller 3 ¼ COM1 COM0 SW COM1 VLED ¼ COMn SW COMn SW COM0 SIN SCLK LAT BLANK SOUT GND VCC Device n OUT0 OUT15 VCC R IREF IREF ¼ + TLC59283 www.ti.com SBVS199B – JUNE 2012 – REVISED OCTOBER 2012 16-Channel, Constant-Current LED Driver with Pre-Charge FET Check for Samples: TLC59283 1 FEATURES APPLICATIONS 2 • 16-Channel, Constant-Current Sink Output • Video Displays with On and Off Control • Message Boards • Constant-Current Sink Capability: 35 mA (VCC ≤ 3.6 V), 45 mA (VCC > 3.6 V) DESCRIPTION The TLC59283 is a 16-channel, constant-current sink • LED Power-Supply Voltage: Up to 10 V light-emitting diode (LED) driver. Each channel can • VCC = 3 V to 5.5 V be individually controlled with a simple serial • Constant-Current Accuracy: communications protocol that is compatible with 3.3-V or 5-V CMOS logic levels, depending on the – Channel-to-Channel: operating VCC. When the serial data buffer is loaded, ±1.4% (typ), ±3% (max) a LAT rising edge transfers the data to the OUTn – Device-to-Device: ±2% (typ), ±4% (max) outputs. The BLANK pin can be used to turn off all • CMOS Logic Level I/O OUTn outputs during power-on and output data latching to prevent unwanted image displays during • Data Transfer Rate: 35 MHz these times. The constant-current value of all 16 • BLANK Pulse Width: 50 ns channels is set by a single external resistor. • Pre-Charge FET for Ghosting Reduction Each constant-current output has a pre-charge field- • Grouped Switching Delay for Noise Reduction effect transistor (FET) that can reduce ghosting on • Operating Temperature: –40°C to +85°C the multiplexing (dynamic) drive LED display. Multiple TLC59283s can be cascaded together to control additional LEDs from the same processor. Typical Application Circuit (Multiple Daisy-Chained TLC59283s) 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2012, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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