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AAT3169ITO-T1 PDF预览

AAT3169ITO-T1

更新时间: 2024-11-08 03:17:55
品牌 Logo 应用领域
思佳讯 - SKYWORKS 驱动光电二极管接口集成电路
页数 文件大小 规格书
19页 1752K
描述
LED Driver

AAT3169ITO-T1 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:TSOC,Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.83数据输入模式:SERIAL
接口集成电路类型:LED DISPLAY DRIVERJESD-30 代码:R-PDSO-C14
长度:3.05 mm功能数量:1
区段数:6端子数量:14
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:TSOC
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE
峰值回流温度(摄氏度):NOT SPECIFIED座面最大高度:1.1 mm
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:C BEND
端子节距:0.4 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:2.4 mm

AAT3169ITO-T1 数据手册

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DATA SHEET  
AAT3169  
AAT3169 High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications  
General Description  
Features  
The AAT3169 is a low noise, constant frequency charge  
pump DC/DC converter that uses a tri-mode load switch  
(1X), fractional (1.5X), and doubling (2X) conversion to  
maximize efficiency for white LED applications. The  
AAT3169 is capable of driving six LEDs for a total of  
180mA from a 2.7V to 5.5V input. The current sinks may  
be operated individually or in parallel for driving higher  
current LEDs. A low external parts count (two 1µF flying  
capacitors and two small 1µF capacitors at IN and  
OUTCP) make this part ideally suited for small, battery-  
powered applications.  
•ꢀ VIN Range: 2.7V to 5.5V  
•ꢀ FullyꢀProgrammableꢀCurrentꢀwithꢀSingleꢀWire  
16-Step Logarithmic Scale  
15/20/30mA Max Current  
Four Low-Current Settings Down to 115µA  
Low IQ (65µA) for Single-Channel, Low-Current  
Mode  
•ꢀ Tri-Modeꢀ1X,ꢀ1.5X,ꢀandꢀ2XꢀChargeꢀPumpꢀforꢀMaximumꢀ  
Efficiency and VF Coverage  
•ꢀ DrivesꢀUpꢀtoꢀSixꢀLEDs  
•ꢀ IndividualꢀMain-Subꢀ(5-1)ꢀGroupꢀControl  
•ꢀ NoꢀInductors,ꢀLowꢀNoiseꢀOperation  
•ꢀ 1MHzꢀConstantꢀSwitchingꢀFrequency  
•ꢀ SmallꢀApplicationꢀCircuit  
•ꢀ Built-InꢀThermalꢀProtection  
•ꢀ Built-InꢀAuto-DisableꢀforꢀOpenꢀCircuit  
•ꢀ AutomaticꢀSoftꢀStart  
Skyworks' AS2Cwire™ (Advanced Simple Serial Control)  
serial digital input is used to enable, disable, and set cur-  
rent for each LED with a 16-level logarithmic scale plus  
four low-current settings down to 115µA. For optimized  
efficiency, low-current settings require only 65µA of  
housekeeping current.  
•ꢀ IQ <1µA in Shutdown  
Each output of the AAT3169 is equipped with built-in  
protection for output short-circuit and auto-disable for  
load short-circuit conditions. Built-in soft-start circuitry  
prevents excessive inrush current during start-up. A low-  
current shutdown feature disconnects the load from the  
input and reduces quiescent current to less than 1µA.  
•ꢀ Thermally-EnhancedꢀTDFN33-14,ꢀSTDFN33-14,ꢀ  
QFN44-16, or TSOPJW-14 Package  
Applications  
•ꢀ Colorꢀ(RGB)ꢀLighting  
•ꢀ ProgrammableꢀCurrentꢀSinkꢀ  
•ꢀ TransmissiveꢀDisplays  
•ꢀ WhiteꢀLEDꢀBacklighting  
The AAT3169 is available in a Pb-free, space-saving,  
thermally-enhanced 16-pin 4x4mm QFN package, a  
14-pin 3x3mm TDFN package, a low-profile 14-pin  
3x3mm STDFN package or a 14-pin TSOPJW package and  
is rated over the -40°C to +85°C temperature range.  
•ꢀ WhiteꢀPhotoꢀFlashꢀforꢀDigitalꢀStillꢀCameras  
Typical Application  
C1+  
C1-  
C2+  
C1  
C2  
1µF  
1µF  
Main  
D3  
Sub  
D6  
C2-  
OUTCP  
COUT  
1µF  
IN  
2.7V to 5.5V  
CIN  
1µF  
D1  
D2  
D4  
D5  
AAT3169  
D1  
D2  
D3  
D4  
D5  
D6  
EN/SET  
EN/SET  
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com  
1
202158A  
• Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • July 11, 2012  

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