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AIC1577-COTR PDF预览

AIC1577-COTR

更新时间: 2024-01-07 08:22:19
品牌 Logo 应用领域
沛亨 - AIC 控制器
页数 文件大小 规格书
14页 338K
描述
External NMOS Step-Down PWM Controller

AIC1577-COTR 技术参数

是否Rohs认证: 符合生命周期:Contact Manufacturer
包装说明:SOP, SOP8,.25Reach Compliance Code:compliant
风险等级:5.77控制模式:CURRENT-MODE
JESD-30 代码:R-PDSO-G8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:SOP
封装等效代码:SOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE认证状态:Not Qualified
子类别:Switching Regulator or Controllers表面贴装:YES
最大切换频率:550 kHz技术:MOS
温度等级:INDUSTRIAL端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
Base Number Matches:1

AIC1577-COTR 数据手册

 浏览型号AIC1577-COTR的Datasheet PDF文件第2页浏览型号AIC1577-COTR的Datasheet PDF文件第3页浏览型号AIC1577-COTR的Datasheet PDF文件第4页浏览型号AIC1577-COTR的Datasheet PDF文件第5页浏览型号AIC1577-COTR的Datasheet PDF文件第6页浏览型号AIC1577-COTR的Datasheet PDF文件第7页 
AIC1577  
External NMOS Step-Down PWM Controller  
DESCRIPTION  
FEATURES  
N-Channel MOSFET Drive  
The AIC1577 is a current mode switching  
Operating Input Voltage from 4.5V to 24V  
Wide Ouput Range : 0.8V to 20V  
±1.5% 0.8V Reference  
regulator controller that drives external N-  
channel power MOSFET using a fixed fre-  
quency architecure. It uses external divider to  
adjust output voltage from 0.8V to 20V with  
excellent line and load regulation. A maximum  
high duty cycle limit of 95% provides low  
dropout operation which extends operating  
time in battery-operated systems.  
Low Dropout Operation : 95% Duty Cycle  
500KHz Fixed Constant Frequency  
Low Standby Current, IQ Typically 720µA  
Logic-Control Micropower Shutdown  
Output Overvoltage Protection  
Internal Diode for Bootstrapped Gate Drive  
Current Mode Operation for Excellent Line and  
Load Transient Response  
Switching frequency up to 500KHz are  
achievable thus allowing smaller sized filter  
components. The operating current level is  
user-programmable via an external current  
sense resistor. It also provide output overvolt-  
age protection under fault conditions.  
Available in an 8-Lead SO and MSOP Package  
APPLICATIONS  
LCD Monitor  
A multifunction pin (ITH/RUN) allows external  
compensation for optimum load step re-  
sponse plus shutdown. Soft start can also be  
implemented with this pin to properly se-  
quence supplies. Package available are in  
SOP8 and MSOP8 for SMD.  
Palmtop Computers, PDAs  
Wireless Modems  
On-Card Switching Regulators  
DC Power Distribution Systems  
Analog Integrations Corporation  
Si-Soft Research Center  
3A1, No.1, Li-Hsin Rd. I , Science Park , Hsinchu 300, Taiwan , R.O.C.  
DS-1577P-02 010405  
TEL: 886-3-5772500 FAX: 886-3-5772510 www.analog.com.tw  
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