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TLC59281 PDF预览

TLC59281

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 数据手册

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TLC59281  
www.ti.com  
SBVS139 –JANUARY 2010  
16-Channel, Constant-Current LED Driver  
Check for Samples: TLC59281  
1
FEATURES  
APPLICATIONS  
•
•
•
LED Video Displays  
Message Boards  
Illumination  
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  
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  
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  
VLED  
VLED  
VLED  
VLED  
¼
¼
¼
¼
¼
¼
¼
¼
OUT0  
SIN  
OUT15  
SOUT  
OUT0  
SIN  
OUT15  
SOUT  
DATA  
SCLK  
VCC  
VCC  
SCLK  
SCLK  
LAT  
LAT  
Controller  
LAT  
VCC  
GND  
VCC  
GND  
BLANK  
BLANK  
IREF  
BLANK  
IREF  
TLC59281  
ERROR  
READ  
IC1  
ICn  
RIREF  
RIREF  
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.  
2
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.  
Copyright © 2010, Texas Instruments Incorporated  
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TLC59281 替代型号

型号 品牌 替代类型 描述 数据表
TLC59282 TI

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