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AS1104-T PDF预览

AS1104-T

更新时间: 2024-01-03 12:35:50
品牌 Logo 应用领域
艾迈斯 - AMSCO 驱动器
页数 文件大小 规格书
13页 481K
描述
Low-Dropout LED Drivers

AS1104-T 技术参数

生命周期:Contact Manufacturer包装说明:MSOP-8
Reach Compliance Code:unknown风险等级:5.69
接口集成电路类型:LED DISPLAY DRIVERJESD-30 代码:S-PDSO-G8
长度:3 mm功能数量:1
区段数:4端子数量:8
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:TSSOP
封装形状:SQUARE封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
座面最大高度:1.1 mm表面贴装:YES
温度等级:INDUSTRIAL端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
宽度:3 mmBase Number Matches:1

AS1104-T 数据手册

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Data Sheet  
AS1101, AS1102, AS1103, AS1104  
Low-Dropout LED Drivers  
1 General Description  
2 Key Features  
LED Drivers for Parallel-Connected LEDs  
The AS1101/AS1102/AS1103/AS1104 are LED drivers  
designed to match current source bias for any color  
LED, including white and blue. The devices can drive up  
to 4 high-current LEDs, and the LED current is program-  
mable using an external resistor (RSET).  
Ultra-Low Voltage Drop: Less Than 150mV (for Li-  
ion Battery Support)  
Analog and PWM Brightness Control  
Up to 80mA per LED (AS1101)  
The AS1101 LED currents are 460 x ISET (per LED, typ)  
at an LED cathode voltage (VSAT) of 150mV and 650 x  
ISET (typ) at a VSAT of 1V, where ISET is the current  
through RSET connected to pin CTRL.  
Up to 40mA per LED (AS1102, AS1103, AS1104)  
No Electromagnetic Interference, No Switching-  
Noise  
The AS1102, AS1103, and AS1104 LED currents are  
230 x ISET (per LED, typ) at a VSAT of 150mV and 325 x  
ISET (typ) at a VSAT of 1V.  
Current-Matching Requires No External Compo-  
nents  
Active-Low Shutdown Mode (AS1101, AS1102,  
and AS1103)  
The AS1101, AS1102, and AS1104 incorporate a chip-  
enable feature via pin ON. When the devices are dis-  
abled, the supply current drops to less than 1µA.  
Low Shutdown-Current: Less Than 1µA  
SC70-6 Package (AS1101, AS1102, and AS1103)  
MSOP-8 Package (AS1104)  
The AS1101, AS1102, and AS1103 are available in a  
6-pin SC70 package; the AS1104 is available in a 8-pin  
MSOP package.  
3 Applications  
The AS110x devices are ideal for LED displays and key-  
board backlights, as well as lighting management units  
for battery powered audio devices such as MP3 and CD  
players, mobile and cordless phones, PDAs, portable  
DVD players, and consumer electronics.  
Figure 1. Typical Application Diagrams  
2 Diode Control with Enable  
3 Diode Control with Enable  
VIN  
VIN  
I1/I2 VSAT  
I3/I4  
I1 VSAT  
I2  
I3  
ISET  
ISET  
VSET  
(3V)  
VSET  
(3V)  
CTRL  
CTRL  
ON  
RSET  
RSET  
AS1101  
AS1102  
ENABLE  
ENABLE  
ON  
GND  
GND  
4 Diode Control  
4 Diode Control with Enable  
VIN  
VIN  
I1 VSAT I2  
I3  
AS1103  
GND  
I4  
I1 VSAT I2  
I3  
I4  
ISET  
VSET  
(3V)  
ISET  
VSET  
(3V)  
CTRL  
ON  
RSET  
AS1104  
CTRL  
RSET  
ENABLE  
GND  
www.austriamicrosystems.com  
Revision 1.5  
1 - 13  

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