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FAN2518 PDF预览

FAN2518

更新时间: 2024-11-25 22:50:59
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 稳压器
页数 文件大小 规格书
10页 249K
描述
50 mA CMOS LDO Regulators with Fast Start Enable

FAN2518 数据手册

 浏览型号FAN2518的Datasheet PDF文件第2页浏览型号FAN2518的Datasheet PDF文件第3页浏览型号FAN2518的Datasheet PDF文件第4页浏览型号FAN2518的Datasheet PDF文件第5页浏览型号FAN2518的Datasheet PDF文件第6页浏览型号FAN2518的Datasheet PDF文件第7页 
www.fairchildsemi.com  
FAN2 5 1 8 , FAN2 5 1 9  
5 0 m A CMOS LDO Re g u la t o rs w it h Fa s t S t a rt En a b le  
wide variety of external capacitors, and the compact SOT23-5  
surface-mount package. In addition, the FAN2518/19 family  
offer the fast power-cycle time required in CDMA handset  
applications. These products offer significant improvements  
over older BiCMOS designs and are pin-compatible with  
many popular devices. The output is thermally protected  
Features  
• Ultra Low Power Consumption  
• Enable optimized for CDMA time phases  
• 50 mV dropout voltage at 50 mA  
• 25 µA ground current at 50 mA  
• Enable/Shutdown Control  
against overload.  
• SOT23-5 package  
• Thermal limiting  
• 300 mA peak current  
The FAN2518 and FAN2519 devices are distinguished by  
the assignment of pin 4:  
FAN2518: pin 4 – ADJ, allowing the user to adjust the  
output voltage over a wide range using an external voltage  
divider.  
Applications  
• Cellular Phones and accessories  
• PDAs  
• Portable cameras and video recorders  
FAN2518-XX: pin 4 – BYP, to which a bypass capacitor  
• Laptop, notebook and palmtop computers  
may be connected for optimal noise performance. Output  
voltage is fixed, indicated by the suffix XX.  
Description  
The FAN2518/19 family of micropower low-dropout voltage  
regulators utilize CMOS technology to offer a new level of  
cost-effective performance in GSM, TDMA, and CDMA  
FAN2519-XX: pin 4 – ERR, a flag which indicates that the  
output voltage has dropped below the specified minimum  
due to a fault condition.  
cellular handsets, Laptop and Notebook portable computers,  
The standard fixed output voltages available are 2.5V, 2.6V,  
and other portable devices. Features include extremely low  
2.7V, 2.8V, 2.85V, 3.0V, and 3.3V. Custom output voltage are  
power consumption and low shutdown current, low dropout  
also available: please contact your local Fairchild Sales  
voltage, exceptional loop stability able to accommodate a  
Office for information.  
Block Diagrams  
EN  
EN  
V
IN  
V
IN  
BYP  
Bandgap  
Bandgap  
p
p
Error  
Error  
Amplifier  
Amplifier  
V
ADJ  
OUT  
V
OUT  
Thermal  
Sense  
Thermal  
Sense  
GND  
GND  
FAN2518  
FAN2518-XX  
EN  
V
IN  
ERR  
Bandgap  
p
Error  
Amplifier  
V
OUT  
Thermal  
Sense  
GND  
FAN2519-XX  
REV. 1.0.6 2/14/03  

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