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LM2756TM/NOPB PDF预览

LM2756TM/NOPB

更新时间： 2024-11-29 11:11:11
品牌 Logo 应用领域
德州仪器 - TI 驱动接口集成电路电感器驱动器
页数 文件大小 规格书
25页 635K
描述
具有 32 指数调光步进、采用微型 SMD 封装的多显示无电感器 LED 驱动器 | YFQ | 20 | -30 to 85

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LM2756TM/NOPB 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：VFBGA, BGA20,4X5,16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：1.13数据输入模式：SERIAL
输入特性：STANDARD接口集成电路类型：LED DISPLAY DRIVER
JESD-30 代码：R-XBGA-B20JESD-609代码：e1
长度：2.0175 mm湿度敏感等级：1
复用显示功能：NO功能数量：1
区段数：8端子数量：20
最高工作温度：85 °C最低工作温度：-30 °C
输出特性：CONSTANT-CURRENT封装主体材料：UNSPECIFIED
封装代码：VFBGA封装等效代码：BGA20,4X5,16
封装形状：RECTANGULAR封装形式：GRID ARRAY, VERY THIN PROFILE, FINE PITCH
峰值回流温度（摄氏度）：260电源：3/5 V
认证状态：Not Qualified座面最大高度：0.675 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
电源电压1-最大：4 V电源电压1-分钟：2 V
表面贴装：YES温度等级：OTHER
端子面层：Tin/Silver/Copper (Sn/Ag/Cu)端子形式：BALL
端子节距：0.4 mm端子位置：BOTTOM
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：1.611 mm
Base Number Matches：1

LM2756TM/NOPB 数据手册

 浏览型号LM2756TM/NOPB的Datasheet PDF文件第2页浏览型号LM2756TM/NOPB的Datasheet PDF文件第3页浏览型号LM2756TM/NOPB的Datasheet PDF文件第4页浏览型号LM2756TM/NOPB的Datasheet PDF文件第5页浏览型号LM2756TM/NOPB的Datasheet PDF文件第6页浏览型号LM2756TM/NOPB的Datasheet PDF文件第7页 
LM2756  
www.ti.com  
SNVS504C –JULY 2007–REVISED MAY 2013  
LM2756 Multi-Display Inductorless LED Driver with 32 Exponential Dimming Steps in  
DSBGA  
Check for Samples: LM2756  
1
FEATURES  
APPLICATIONS  
2
•
Drives up to 8 LEDs with up to 30mA of Diode  
Current Each  
•
Dual Display LCD Backlighting for Portable  
Applications  
•
•
32 Exponential Dimming Steps with 800:1  
Dimming Ratio for Group A (Up to 6 LEDs)  
•
•
Large Format LCD Backlighting  
Display Backlighting with Indicator Light  
8 Linear Dimming States for Groups B (Up to 3  
LEDs) and D1C (1 LED)  
DESCRIPTION  
The LM2756 is  
a highly integrated, switched-  
•
•
Programmable Auto-Dimming Function  
capacitor, multi-display LED driver that can drive up  
to 8 LEDs in parallel with a total output current of  
180mA. Regulated internal current sources deliver  
excellent current and brightness matching in all LEDs.  
3 Independently Controlled LED Groups Via  
I2C Compatible Interface  
•
•
•
Up to 90% Efficiency  
Total Solution Size < 21mm2  
The LED driver current sinks are split into three  
independently controlled groups. The primary group  
(Group A) can be configured to drive four, five or six  
LEDs for use in the main phone display, while the  
secondary group (Group B) can be configured to  
drive one, two or three LEDs for driving secondary  
displays, keypads and/or indicator LEDs. An  
additional driver, D1C, is provided for additional  
indicator lighting functions.  
Low Profile 20 Bump DSBGA Package  
(1.615mm × 2.015mm × 0.6mm)  
•
•
•
•
•
0.4% Accurate Current Matching  
Internal Soft-Start Limits Inrush Current  
True Shutdown Isolation for LED’s  
Wide Input Voltage Range (2.7V to 5.5V)  
Active High Hardware Enable  
Typical Application Circuit  
GROUP A  
GROUP B  
GROUP C  
D1A D2A  
D3A D4A  
D62  
D1B  
D1C  
D53  
VIN  
V
OUT  
C1+  
1 µF  
1 µF  
1 µF  
1 µF  
LM2756  
C1-  
C2+  
GND  
C2-  
I
SCL SET  
HWEN SDIO  
2
I C Control  
Signals  
Capacitors: Murata GNM1M2R61C105ME18D 1 µF dual  
capacitors, or 1 µF single capacitor equivalent  
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.  
Copyright © 2007–2013, Texas Instruments Incorporated  
1234567...25

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