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LDS8726008-T2-200 PDF预览

LDS8726008-T2-200

更新时间： 2024-01-20 10:48:07
品牌 Logo 应用领域
IXYS 驱动光电二极管接口集成电路
页数 文件大小 规格书
10页 468K
描述
LED Driver, 49-Segment, PDSO8, 2 X 3 MM, 0.80 MM HEIGHT, 0.50 MM PITCH, HALOGEN FREE AND ROHS COMPLIANT, MO-220, TDFN-8

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LDS8726008-T2-200 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：QFN包装说明：HVSON, SOLCC8,.12,20
针数：8Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.84接口集成电路类型：LED DISPLAY DRIVER
JESD-30 代码：R-PDSO-N8长度：3 mm
复用显示功能：NO功能数量：1
区段数：49端子数量：8
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：HVSON
封装等效代码：SOLCC8,.12,20封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：NOT SPECIFIED
电源：3.6 V认证状态：Not Qualified
座面最大高度：0.8 mm子类别：Display Drivers
最大供电电压：5.5 V最小供电电压：2.7 V
标称供电电压：3.6 V表面贴装：YES
温度等级：INDUSTRIAL端子形式：NO LEAD
端子节距：0.5 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：2 mm
Base Number Matches：1

LDS8726008-T2-200 数据手册

 浏览型号LDS8726008-T2-200的Datasheet PDF文件第2页浏览型号LDS8726008-T2-200的Datasheet PDF文件第3页浏览型号LDS8726008-T2-200的Datasheet PDF文件第4页浏览型号LDS8726008-T2-200的Datasheet PDF文件第5页浏览型号LDS8726008-T2-200的Datasheet PDF文件第6页浏览型号LDS8726008-T2-200的Datasheet PDF文件第7页 
LDS8726  
49 WLED Driver with Boost Converter  
FEATURES  
High efficiency boost converter with the input  
voltage range from 2.7 to 5.5 V  
No external Schottky Required (Internal  
synchronous rectifier*)  
250 mV current sense voltage  
Drives up to 7 LEDs per string with up to 49  
LED in 7 strings at 25 mA  
resistance. Under-voltage protection disables the part  
when VIN voltage reaches 2.0 V  
1 MHz Switching Frequency  
Efficiency greater than 83%  
PWM LED Dimming Control Mode  
Over-voltage, under-voltage, over-current,  
and over-temperature protection  
Low Shutdown Current (<1µA)  
Available in 2 x 3 x 0.8 mm 8-pin TDFN  
package  
0
The LDS8726 has thermal shutdown set at 150 C.  
Above this value, the boost converter stops  
switching. The part resumes normal operations when  
temperature drops below 130 0C.  
The over-current protection provides cycle-by-cycle  
current limit.  
The internal output over-voltage protection prevents  
damage in the case of a faulty LED disconnect.  
APPLICATION  
The PWM control ensures brightness adjustment with  
a frequency from 100 Hz up to 30 KHz.  
Color Display Backlight  
Portable Navigation and GPS Receivers  
Smart phones  
Digital Photo Frames  
Portable DVD Players, Notebooks  
The EN/PWM logic input functions as a chip enable  
and LED current PWM contol pin.  
The device is available in 8-pin TDFN 2 x 3 mm  
package with a max height of 0.8 mm.  
DESCRIPTION  
Table 1 Matrix configuration for LDS8726  
The LDS8726 is a fixed frequency current mode  
boost converter with internal synchronous rectifier  
and cycle-by-cycle switch current limit specifically  
designed to drive matrix of LEDs in respect with the  
Table 1. Operation at 1 MHz allows use of small  
value low profile inductor (10 – 33 µH) and 1 µF 50 V  
ceramic capacitor.  
String  
Current  
max, mA,  
Number of  
strings  
Number of  
LED per string  
VIN MIN, V  
1 - 5  
7
7
7
7
6
5
30  
30  
25  
25  
25  
25  
2.7  
3.3  
2.7  
3.1  
2.7  
2.7  
6
6
7
7
8
The use of integrated synchronous rectifier makes  
the efficiency dependent on only inductor DC  
TYPICAL APPLICATION CIRCUIT  
*) Patent pending  
© 2010 IXYS Corp.  
Characteristics subject to change without notice  
1
Doc. No. 8726DS, Rev. N1.0  
1234567...10

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