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AAT3193IJQ-4-T1 PDF预览

AAT3193IJQ-4-T1

更新时间: 2024-01-05 20:42:53
品牌 Logo 应用领域
ANALOGICTECH 驱动器驱动程序和接口接口集成电路
页数 文件大小 规格书
18页 388K
描述
3-Channel Charge-Pump LED Driver

AAT3193IJQ-4-T1 技术参数

生命周期:Obsolete包装说明:,
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.7
接口集成电路类型:LED DISPLAY DRIVERBase Number Matches:1

AAT3193IJQ-4-T1 数据手册

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PRODUCT DATASHEET  
AAT3193  
TM  
ChargePump  
3-Channel Charge-Pump LED Driver  
General Description  
Features  
The AAT3193 is a charge-pump based, current-sink  
white LED driver capable of driving one to three LEDs up  
to 30mA, each. It automatically switches between 1x  
mode and 2x mode to maintain the highest efficiency  
and optimal LED current accuracy and matching.  
• Drives up to 3 LEDs at up to 30mA, each  
• Automatic Switching Between 1x and 2x Modes  
• 0.9MHz Switching Frequency  
• Linear LED Output Current Control  
Single-wire, S2Cwire Interface  
• AAT3193-1: 16-step  
• AAT3193-2: 8-step  
• AAT3193-3: 4-step  
The AAT3193 charge pump’s 1x mode (bypass mode)  
has very low resistance allowing LED current regulation  
to be maintained with input supply voltage approaching  
the LED forward voltage.  
ON/OFF or PWM Interface  
• AAT3193-4  
The AAT3193 is available in a 2x2mm, 10-lead SC70JW-10  
package.  
• ±10% LED Output Current Accuracy  
• ±3% LED Output Current Matching  
• Low-Current Shutdown Mode  
• Built-in Thermal Protection  
• Automatic Soft-Start  
• Available in 2x2mm SC70JW-10 Package  
Applications  
• Entry Level Cordless Phone Handsets  
• Entry Level Digital Cameras  
• Entry Level Mobile Phone Handsets  
• Entry Level MP3 and PMP Players  
Typical Application  
Input Voltage  
IN  
2.7V to 5.5V  
C+  
OUT  
CIN  
1μF  
COUT  
1μF  
CP  
1μF  
AAT3193-1  
C-  
WLEDs  
OSRAM LW M 678  
or equivalent  
EN/SET  
S2Cwire  
Interface  
EN/SET  
D1  
D2  
D3  
RSET  
GND  
RSET  
14.3kΩ  
w w w . a n a l o g i c t e c h . c o m  
3193.2008.07.1.3  
1

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