Datasheet > TLC59281_1

TLC59281_1

更新时间： 2024-11-27 06:01:47

品牌	Logo	应用领域
德州仪器 - TI		驱动器
页数	文件大小	规格书
23页	652K
描述
16-Channel,Constant-Current LED Driver

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TLC59281_1 数据手册

TLC59281

www.ti.com

SBVS139 –JANUARY 2010

16-Channel, Constant-Current LED Driver

Check for Samples: TLC59281

FEATURES

APPLICATIONS

•

LED Video Displays

Message Boards

Illumination

•

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

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.

•

Low On-Time Error

LED Power-Supply Voltage up to 17 V

V_CC= 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

VLED

OUT0

SIN

OUT15

SOUT

OUT0

SIN

OUT15

SOUT

DATA

SCLK

VCC

SCLK

LAT

Controller

LAT

VCC

GND

VCC

GND

BLANK

IREF

BLANK

IREF

TLC59281

ERROR

READ

IC1

ICn

R_IREF

Typical Application Circuit (Multiple Daisy-Chained TLC59281s)

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.

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.

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