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MCP1703-3302E/DB PDF预览

MCP1703-3302E/DB

更新时间: 2024-11-25 03:31:55
品牌 Logo 应用领域
美国微芯 - MICROCHIP /
页数 文件大小 规格书
24页 381K
描述
250 mA, 16V, Low Quiescent Current

MCP1703-3302E/DB 数据手册

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MCP1703  
250 mA, 16V, Low Quiescent Current  
Features  
Description  
• 2.0 µA Typical Quiescent Current  
The MCP1703 is a family of CMOS low dropout (LDO)  
voltage regulators that can deliver up to 250 mA of  
current while consuming only 2.0 µA of quiescent  
current (typical). The input operating range is specified  
from 2.7V to 16.0V, making it an ideal choice for two to  
six primary cell battery-powered applications, 9V alka-  
line and one or two cell Li-Ion-powered applications.  
• Input Operating Voltage Range: 2.7V to16.0V  
• 250 mA Output Current for Output Voltages 2.5V  
• 200 mA Output Current for Output Voltages < 2.5V  
• Low Drop Out Voltage, 625 mV typical @ 250 mA  
for VR = 2.8V  
• 0.4% Typical Output Voltage Tolerance  
The MCP1703 is capable of delivering 250 mA with  
only 625 mV (typical) of input to output voltage differen-  
tial (VOUT = 2.8V). The output voltage tolerance of the  
MCP1703 is typically ±0.4% at +25°C and ±3%  
maximum over the operating junction temperature  
range of -40°C to +125°C. Line regulation is ±0.1%  
typical at +25°C.  
• Standard Output Voltage Options (1.2V, 1.5V,  
1.8V, 2.5V, 2.8V, 3.0V, 3.3V, 4.0V, 5.0V)  
• Output voltage range 1.2V to 5.5V in 0.1V  
increments (50 mV increments available upon  
request)  
• Stable with 1.0 µF to 22 µF output capacitance  
• Short-Circuit Protection  
Output voltages available for the MCP1703 range from  
1.2V to 5.5V. The LDO output is stable when using only  
1 µF of output capacitance. Ceramic, tantalum or  
aluminum electrolytic capacitors can all be used for  
input and output. Overcurrent limit and overtemperature  
shutdown provide a robust solution for any application.  
• Overtemperature Protection  
Applications  
• Battery-powered Devices  
• Battery-powered Alarm Circuits  
• Smoke Detectors  
Package options include the SOT-223-3, SOT-23A,  
and SOT-89-3.  
• CO2 Detectors  
Related Literature  
• Pagers and Cellular Phones  
• Smart Battery Packs  
• AN765, “Using Microchip’s Micropower LDOs”,  
DS00765, Microchip Technology Inc., 2002  
• Low Quiescent Current Voltage Reference  
• PDAs  
• AN766, “Pin-Compatible CMOS Upgrades to  
BiPolar LDOs”, DS00766,  
• Digital Cameras  
Microchip Technology Inc., 2002  
• Microcontroller Power  
• Solar-Powered Instruments  
• Consumer Products  
• AN792, “A Method to Determine How Much  
Power a SOT23 Can Dissipate in an Application”,  
DS00792, Microchip Technology Inc., 2001  
• Battery Powered Data Loggers  
Package Types  
SOT-223-3  
3-Pin SOT-23A  
3-Pin SOT-89  
VIN  
VIN  
4
3
2
GND VIN VOUT  
1
3
1
2
3
1
2
VIN  
GND VOUT  
GND VOUT  
© 2007 Microchip Technology Inc.  
DS22049A-page 1  

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