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LM2792LDX-H/NOPB PDF预览

LM2792LDX-H/NOPB

更新时间： 2024-11-13 20:59:35
品牌 Logo 应用领域
德州仪器 - TI 驱动接口集成电路
页数 文件大小 规格书
10页 204K
描述
LED DISPLAY DRIVER, DSO10, 3 X 3 MM, 0.80 MM HEIGHT, LLP-10

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LM2792LDX-H/NOPB 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：VSON, SOLCC10,.11,20Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.7数据输入模式：ANALOG
接口集成电路类型：LED DISPLAY DRIVERJESD-30 代码：S-XDSO-N10
JESD-609代码：e3长度：3 mm
湿度敏感等级：3复用显示功能：NO
功能数量：1区段数：2
端子数量：10最高工作温度：85 °C
最低工作温度：-30 °C封装主体材料：UNSPECIFIED
封装代码：VSON封装等效代码：SOLCC10,.11,20
封装形状：SQUARE封装形式：SMALL OUTLINE, VERY THIN PROFILE
峰值回流温度（摄氏度）：260电源：3.3/5 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：5.8 V
最小供电电压：3 V标称供电电压：3.6 V
表面贴装：YES技术：CMOS
温度等级：OTHER端子面层：Matte Tin (Sn)
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：3 mm最小 fmax：1.8 MHz
Base Number Matches：1

LM2792LDX-H/NOPB 数据手册

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July 2002  
LM2792  
Current Regulated Switched Capacitor LED Driver with  
Analog Brightness Control  
General Description  
Features  
n Output matching of 0.3% (typ.)  
n Drives up to two LED’s  
The LM2792 is a CMOS charge-pump voltage doubler and  
regulator that provides two regulated current sources. They  
are designed to drive two white (or blue) LEDs with matched  
currents (within 0.3%) to produce balanced light sources  
for display backlights. The LM2792 accepts an input voltage  
range from 3.0V to 5.8V and maintain a constant current  
determined by an external set resistor.  
n 3.0V to 5.8V Input Voltage  
n Up to 34mA output current  
n Soft start limits inrush current  
n Analog brightness control  
n Separate shutdown input  
n Very small solution size and no inductor  
n 1.4mA typical operating current  
n 1µA (max.) shutdown current  
n 900kHz switching frequency (min.)  
n Linear regulation generates predictable noise spectrum  
n LLP-10 package: 3mm X 3mm X 0.8mm  
The LM2792 delivers up to 34mA of load current to accom-  
modate two high forward voltage (typically white) LEDs. The  
switching frequency is 900kHz (min.) to keep the conducted  
noise spectrum away from sensitive frequencies within por-  
table RF devices.  
The LM2792 offers full off to maximum current control  
through the BRGT pin. The output current linearly tracks the  
BRGT pin voltage. The LM2792 is available in active high or  
low shutdown versions. The shutdown pin reduces the op-  
erating current to 1µA (max.).  
Applications  
n White LED Display Backlights  
The LM2792 is available in a 10 pin leadless leadframe  
(LLP) CSP package.  
n White LED Keypad Backlights  
n 1-Cell Li-Ion battery-operated equipment including  
PDAs, hand-held PCs, cellular phones  
n Flat Panel Dispalys  
Basic Application Circuit  
20024201  
© 2002 National Semiconductor Corporation  
DS200242  
www.national.com  
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