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AAT3190IKS-T1 PDF预览

AAT3190IKS-T1

更新时间: 2024-01-07 11:10:27
品牌 Logo 应用领域
ANALOGICTECH
页数 文件大小 规格书
16页 411K
描述
Positive/Negative Charge Pump for Voltage Bias

AAT3190IKS-T1 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:MSOP-8Reach Compliance Code:unknown
HTS代码:8542.39.00.01风险等级:5.8
模拟集成电路 - 其他类型:ANALOG CIRCUIT控制模式:VOLTAGE-MODE
JESD-30 代码:S-PDSO-G8长度:3 mm
功能数量:1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
封装等效代码:TSSOP8,.19封装形状:SQUARE
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:1.1 mm
子类别:Switching Regulator or Controllers最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):2.7 V标称供电电压 (Vsup):5 V
表面贴装:YES最大切换频率:1200 kHz
温度等级:INDUSTRIAL端子形式:GULL WING
端子节距:0.65 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

AAT3190IKS-T1 数据手册

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AAT3190  
Positive/Negative Charge Pump for Voltage Bias  
ChargePump  
General Description  
Features  
The AAT3190 charge pump controller provides the  
regulated positive and negative voltage biases  
required by active matrix thin-film transistor (TFT)  
liquid-crystal displays (LCDs), charge-coupled  
device (CCD) sensors, and organic light emitting  
diodes (OLEDs). Two low-power charge pumps  
convert input supply voltages ranging from 2.7V to  
5.5V into two independent output voltages.  
VIN Range: 2.7V to 5.5V  
Adjustable ± Dual Charge Pump  
Positive Supply Output Up to +25V  
Negative Supply Output Down to -25V  
Up to 30mA Output Current  
1.0MHz Switching Frequency  
<1.0µA Shutdown Current  
Internal Power MOSFETs  
Internally Controlled Soft Start  
Fast Transient Response  
Ultra-Thin Solution (No Inductors)  
-40°C to +85°C Temperature Range  
Available in 8-Pin MSOP or 12-Pin TSOPJW  
Package  
The dual low-power charge pumps independently  
regulate a positive (VPOS) and negative (VNEG) out-  
put voltage. These outputs use external diode and  
capacitor multiplier stages (as many stages as  
required) to regulate output voltages up to ±25V.  
Built-in soft-start circuitry prevents excessive in-  
rush current during start-up. A high switching fre-  
quency enables the use of small external capaci-  
tors. The device’s shutdown feature disconnects  
the load from VIN and reduces quiescent current to  
less than 1.0µA.  
Applications  
CCD Sensor Voltage Bias  
OLEDs  
Passive-Matrix Displays  
Personal Digital Assistants (PDAs)  
TFT Active-Matrix LCDs  
The AAT3190 is available in an MSOP-8 or  
TSOPJW-12 package and is specified over the  
-40°C to +85°C operating temperature range.  
Typical Application  
IN  
INPUT  
EN  
EN  
DRVN  
AAT3190  
DRVP  
FBN  
REF  
NEGATIVE  
OUTPUT  
POSTIVE  
OUTPUT  
FBP  
GND  
3190.2005.03.1.0  
1

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