TLC59281 Datasheet PDF


Part Number

TLC59281

Description

16-Channel Constant-Current LED Driver

Manufacture

etcTI

Total Page 26 Pages
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Download TLC59281 Datasheet PDF


Features Datasheet pdf TLC59281 www.ti.com SBVS139B – JANUA RY 2010 – REVISED JANUARY 2011 16-Cha nnel, Constant-Current LED Driver Check for Samples: TLC59281 FEATURES 1 •2 16 Channels, Constant-Current Sink Out put with On/Off Control • 35-mA Capab ility (Constant-Current Sink) • 10-ns High-Speed Constant-Current Switching Transient Time • Low On-Time Error LED Power-Supply Voltage up to 17 V VCC = 3.0 V to 5.5 V • Constant-Cu rrent Accuracy: – Channel-to-Channel = ±1% – Device-to-Device = ±1% • CMOS Logic Level I/O • 35-MHz Data Tr ansfer Rate • 20-ns BLANK Pulse Width • Operating Temperature: –40°C to +85°C APPLICATIONS • LED Video Dis plays • Message Boards • Illumination DESCRIPTION The TLC59281 is a 16-cha.
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TLC59281 Datasheet
TLC59281
www.ti.com
SBVS139B JANUARY 2010 REVISED JANUARY 2011
16-Channel, Constant-Current LED Driver
Check for Samples: TLC59281
FEATURES
1
2 16 Channels, Constant-Current Sink Output
with On/Off Control
35-mA Capability (Constant-Current Sink)
10-ns High-Speed Constant-Current Switching
Transient Time
Low On-Time Error
LED Power-Supply Voltage up to 17 V
VCC = 3.0 V to 5.5 V
Constant-Current Accuracy:
Channel-to-Channel = ±1%
Device-to-Device = ±1%
CMOS Logic Level I/O
35-MHz Data Transfer Rate
20-ns BLANK Pulse Width
Operating Temperature: 40°C to +85°C
APPLICATIONS
LED Video Displays
Message Boards
Illumination
DESCRIPTION
The TLC59281 is a 16-channel, constant-current sink
LED driver. Each channel can be turned on/off by
writing serial data to an internal register. The
constant-current value of all 16 channels is set by a
single external resistor.
VLED
VLED
¼
¼
VLED
VLED
¼
Controller
DATA
SCLK
LAT
BLANK
ERROR
READ
RIREF
¼¼
¼OUT0
OUT15
SIN
SCLK
SOUT
VCC
LAT
BLANK
TLC59281
IREF
IC1
VCC
GND
RIREF
¼
¼OUT0
OUT15
SIN
SCLK
SOUT
VCC
LAT
BLANK
VCC
IREF ICn GND
3
Typical Application Circuit (Multiple Daisy-Chained TLC59281s)
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.
All trademarks are the property of their respective owners.
2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
© 20102011, Texas Instruments Incorporated




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