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TLC59282DBQR Datasheet(PDF) 1 Page - Texas Instruments |
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TLC59282DBQR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 24 page ¼ ¼ ¼ SIN SCLK LAT BLANK SOUT GND VCC TLC59282 IC1 OUT0 OUT15 VCC ¼ ¼ VLED VLED ¼ ¼ SIN SCLK LAT BLANK R IREF IREF SOUT TLC59282 ICn OUT0 OUT15 DATA SCLK BLANK ¼ VLED VLED R IREF IREF Controller GND VCC VCC 3 LAT TLC59282 www.ti.com SBVS152C – DECEMBER 2010 – REVISED OCTOBER 2011 16-Channel, Constant-Current LED Driver with 4-Channel Grouped Delay Check for Samples: TLC59282 1 FEATURES APPLICATIONS 2 • 16 Channels, Constant-Current Sink Output • Video Displays with On/Off Control • Message Boards • Capability (Constant-Current Sink): • Illumination 35 mA (VCC ≤ 3.6 V), 45 mA (VCC > 3.6 V) • LED Power-Supply Voltage up to 17 V DESCRIPTION The TLC59282 is a 16-channel, constant-current sink • VCC = 3 V to 5.5 V driver. Each channel can be individually controlled via • Constant-Current Accuracy: a simple serial communications protocol that is – Channel-to-Channel = ±0.6% (typ), compatible with 3.3 V or 5 V CMOS logic levels, ±2% (max) depending on the operating VCC. Once the serial data buffer is loaded, a rising edge on LATCH – Device-to-Device = ±1% (typ), ±3% (max) transfers the data to the LEDx outputs. The BLANK • Low Saturation Voltage: 0.31 V at 20 mA (typ) pin can be used to turn off all OUTn outputs during – TA = +25℃, One Channel On power-on and output data latching to prevent unwanted image displays during these times. The • CMOS Logic Level I/O constant-current value of all 16 channels is set by a • Data Transfer Rate: 35 MHz single external resistor. Multiple TLC59282s can be • BLANK Pulse Width: 30 ns cascaded together to control additional LEDs from the • Four-Channel Grouped Delay for same processor. Noise Reduction • Operating Temperature: –40°C to +85°C Typical Application Circuit (Multiple Daisy-Chained TLC59282s) 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 © 2010–2011, 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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