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FAN2508S285 PDF预览

FAN2508S285

更新时间： 2024-11-22 23:51:43
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其他 - ETC 稳压器调节器光电二极管输出元件
页数 文件大小 规格书
10页 377K
描述
Positive Fixed Voltage Regulator

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中文翻译

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FAN2508S285 数据手册

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www.fairchildsemi.com  
FAN2508, FAN2509  
50 mA CMOS LDO Regulators  
wide variety of external capacitors, and the compact SOT23-5  
surface-mount package. The FAN2508/09 family of products  
offer significant improvements over older BiCMOS designs  
and are pin-compatible with many popular devices. The  
output is thermally protected against overload.  
Features  
• Ultra Low Power Consumption  
• 50 mV dropout voltage at 50 mA  
• 25 µA ground current at 50 mA  
• Enable/Shutdown Control  
• SOT23-5 package  
The FAN2508 and FAN2509 devices are distinguished by  
the assignment of pin 4:  
• Thermal limiting  
• 300 mA peak current  
FAN2508: 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  
• Laptop, notebook and palmtop computers  
FAN2508-XX: pin 4 – BYP, to which a bypass capacitor  
may be connected for optimal noise performance. Output  
voltage is fixed, indicated by the suffix XX.  
Description  
FAN2509-XX: pin 4 – ERR, a flag which indicates that the  
output voltage has dropped below the specified minimum  
due to a fault condition.  
The FAN2508/09 family of micropower low-dropout voltage  
regulators utilize CMOS technology to offer a new level of  
cost-effective performance in GSM and TDMA cellular  
handsets, Laptop and Notebook portable computers, and  
other portable devices. Features include extremely low  
power consumption and low shutdown current, low dropout  
voltage, exceptional loop stability able to accommodate a  
The standard fixed output voltages available are 2.5V, 2.6V,  
2.7V, 2.8V, 2.85V, 3.0V, and 3.3V. Custom output voltage are  
also available: please contact your local Fairchild Sales  
Office for information.  
Block Diagrams  
EN  
EN  
V
IN  
V
IN  
BYP  
Bandgap  
Bandgap  
p
p
Error  
Error  
Amplifier  
Amplifier  
V
OUT  
V
OUT  
ADJ  
Thermal  
Sense  
Thermal  
Sense  
GND  
GND  
FAN2508  
FAN2508-XX  
EN  
V
IN  
ERR  
Bandgap  
p
Error  
Amplifier  
V
OUT  
Thermal  
Sense  
GND  
FAN2509-XX  
REV. 1.0.1 12/18/00  
1234567...10

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 		Fixed Positive LDO Regulator, 2.8V, 0.075V Dropout, CMOS, PDSO5, SOT-23, 5 PIN
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 		2.8 V FIXED POSITIVE LDO REGULATOR, 0.075 V DROPOUT, PDSO5, SOT-23, 5 PIN
FAN2508S30 FAIRCHILD

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 		Fixed Positive LDO Regulator, 3V, 0.075V Dropout, CMOS, PDSO5, SOT-23, 5 PIN
FAN2508S30X FAIRCHILD

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 		50 mA CMOS LDO Regulators
FAN2508S33 ETC

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 		Positive Fixed Voltage Regulator
FAN2508S33X FAIRCHILD

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 		50 mA CMOS LDO Regulators
FAN2508SX ROCHESTER

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 		1.32 V-6.425 V ADJUSTABLE POSITIVE LDO REGULATOR, 0.075 V DROPOUT, PDSO5, SOT-23, 5 PIN
FAN2508SX FAIRCHILD

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 		Adjustable Positive LDO Regulator, 1.32V Min, 6.425V Max, 0.075V Dropout, CMOS, PDSO5, SOT
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 		50 mA CMOS LDO Regulators

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