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AIC1579 PDF预览

AIC1579

更新时间: 2024-02-13 23:05:10
品牌 Logo 应用领域
沛亨 - AIC 稳压器开关控制器
页数 文件大小 规格书
8页 314K
描述
Step-Down Switching Regulator Controller

AIC1579 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:5.84控制模式:VOLTAGE-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:225 kHz技术:CMOS
温度等级:INDUSTRIAL端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL

AIC1579 数据手册

 浏览型号AIC1579的Datasheet PDF文件第2页浏览型号AIC1579的Datasheet PDF文件第3页浏览型号AIC1579的Datasheet PDF文件第4页浏览型号AIC1579的Datasheet PDF文件第5页浏览型号AIC1579的Datasheet PDF文件第6页浏览型号AIC1579的Datasheet PDF文件第7页 
AIC1579/L  
Step-Down Switching Regulator Controller  
FEATURES  
DESCRIPTION  
Operation Voltage up to 15V.  
The AIC1579 is a high-power, high-efficiency  
Simple Voltage-Mode PWM Control.  
Fast Transient Response.  
2V and 1.3V 2% Feedback Voltage Reference  
Option.  
Adjustable Current Limit without External Sense  
Resistors.  
voltage-mode switching regulator controller for  
motherboard VI/O power supply applications.  
Designed to drive an N-channel MOSFET in a  
standard buck topology, the AIC1579 features a  
high voltage CMOS output driver, short-circuit  
protection, and 8-pin package.  
200KHz Free-Running Oscillator.  
Short-Circuit Protection with Low Short Circuit  
Output Current.  
An external 4-bit Digital-to-Analog Converter  
(DAC) can be used along with the AIC1579 to  
adjust the output voltage from 2.0V to 3.5V in  
0.1V increments. Table 1 on the following page  
specifies the corresponding output voltage for  
16 combinations of DAC inputs as in the typical  
application circuit.  
APPLICATIONS  
Power Supply for Motherboard VGTL (1.5V Output)  
Power Supply for Motherboard VI/O.  
High-Power 5V to 3.xV DC/DC Regulators.  
Low-Voltage Distributed Power Supplies.  
The 200KHz switching frequency allows for  
using small external components while  
maintaining high conversion efficiency. The  
11MHz bandwidth and 6V/µS slew rate of the  
error amplifier ensures high converter  
bandwidth and fast transient response.  
The AIC1579 provides adjustable overcurrent  
and short-circuit protections by sensing the  
output current across the on resistance of the  
external N-channel MOSFET rather than an  
external low value sense resistor.  
The AIC1579L provides lower reference voltage  
(1.30V) than the default (2.00V, AIC1579) for  
lower VOUT requirement.  
Analog Integrations Corporation 4F, 9, Industry E. 9th Rd, Science Based Industrial Park, Hsinchu Taiwan, ROC  
DS-1579-01 Nov 9, 00 TEL: 886-3-5772500 FAX: 886-3-5772510  
www.analog.com.tw  
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