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LTC3206EUF#TRPBF

更新时间： 2024-01-08 23:20:29
品牌 Logo 应用领域
凌特 - Linear 显示器控制器
页数 文件大小 规格书
16页 205K
描述
LTC3206 - I<sup>2</sup>C Multidisplay LED Controller; Package: QFN; Pins: 24; Temperature Range: -40&deg;C to 85&deg;C

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中文翻译

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LTC3206EUF#TRPBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：QFN包装说明：HBCC,
针数：24Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.1数据输入模式：SERIAL
接口集成电路类型：LED DISPLAY DRIVERJESD-30 代码：S-XBCC-B24
JESD-609代码：e3长度：4 mm
湿度敏感等级：1复用显示功能：NO
功能数量：1区段数：5
端子数量：24最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：UNSPECIFIED
封装代码：HBCC封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：0.8 mm
最大供电电压：4.5 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端子面层：Matte Tin (Sn)
端子形式：BUTT端子节距：0.5 mm
端子位置：BOTTOM处于峰值回流温度下的最长时间：30
宽度：4 mm最小 fmax：0.4 MHz
Base Number Matches：1

LTC3206EUF#TRPBF 数据手册

 浏览型号LTC3206EUF#TRPBF的Datasheet PDF文件第2页浏览型号LTC3206EUF#TRPBF的Datasheet PDF文件第3页浏览型号LTC3206EUF#TRPBF的Datasheet PDF文件第4页浏览型号LTC3206EUF#TRPBF的Datasheet PDF文件第5页浏览型号LTC3206EUF#TRPBF的Datasheet PDF文件第6页浏览型号LTC3206EUF#TRPBF的Datasheet PDF文件第7页 
LTC3206  
2
I C Multidisplay  
LED Controller  
U
FEATURES  
DESCRIPTIO  
TheLTC®3206isahighlyintegratedmultidisplayLEDcon-  
troller. The part contains a high efficiency, low noise frac-  
tional step-up/direct-connect charge pump to provide  
power for both main and sub white LED displays plus an  
RGB color LED display. The LTC3206 requires only four  
small ceramic capacitors plus two resistors to form a  
complete 3-display LED power supply and current  
controller.  
■
Step-Up/Direct-Connect Fractional Charge Pump  
Provides Up to 92% Efficiency  
■
Up to 400mA Continuous Output Current  
■
Independent Current and Dimming Control for  
1-6 LED MAIN, 1-4 LED SUB and RGB LED Displays  
LED Currents Programmable Using 2-Wire I2C™  
■
Serial Interface  
1% LED Current Matching  
■
■
Low Noise Constant Frequency Operation*  
Maximum currents for the main/sub displays and RGB  
display are set independently. Current for each LED is  
controlled with an internal current source. Dimming and  
ON/OFF control for all displays is achieved via a 2-wire  
serial interface. Two auxiliary LED pins can be individually  
assigned to either the MAIN or SUB displays. 16 individual  
dimming states exist for both the MAIN and SUB displays.  
EachoftheRED, GREENandBLUELEDshave16dimming  
states as well, resulting in up to 4096 color combinations.  
■
Minimal Component Count  
■
Automatic Soft-Start Limits Inrush Current  
■
16 Exponentially Spaced Dimming States Provides  
128:1 Brightness Range for MAIN and SUB Displays  
■
Up to 4096 Color Combinations for RGB Display  
■
Low Operating Current: IVIN = 180µA  
■
Tiny, Low Profile 24-Lead (4mm × 4mm × 0.75mm)  
QFN Package  
U
The LTC3206 charge pump optimizes efficiency based on  
VIN and LED forward voltage conditions. The part powers  
up in direct-connect mode and automatically switches to  
1.5x step-up mode once any enabled LED current source  
begins to enter dropout. Internal circuitry prevents inrush  
current and excess input noise during start-up and mode  
switching. The LTC3206 is available in a 24-lead (4mm ×  
4mm) QFN package.  
APPLICATIO S  
■
Cellular Phones  
■
Wireless PDAs  
■
Multidisplay Handheld Devices  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
I2C is a trademark of Philips Electronics N.V.  
* U.S. Patent 6,411,531  
U
TYPICAL APPLICATIO  
5-LED Main Display Efficiency  
vs Input Voltage  
2.2µF  
2.2µF  
100  
V
IN  
MAIN DISPLAY  
SUB DISPLAY  
RGB ILLUMINATOR  
90  
2.7V TO  
4.5V  
V
CPO  
IN  
2.2µF  
2.2µF  
80  
70  
60  
50  
40  
30  
20  
10  
0
LTC3206  
RED  
GREEN BLUE  
4
2
3
MAIN1-4  
AUX 1  
SUB1-2  
AUX 2  
FIVE LEDs AT 15mA/LED  
(TYP V AT 15mA = 3.2V)  
2
2
I C SERIAL  
INTERFACE  
3206 TA01a  
F
SERIAL PORT RGB  
T
A
= 25°C  
I
I
MS  
RGB  
3.0  
3.3  
3.6  
3.9  
4.2  
INPUT VOLTAGE (V)  
3206 TA01b  
3206f  
1
1234567...16

中文翻译

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