lm1117單片機產品特性與解密

來源：IC解密進行技術理解與解密技術實現(xiàn)的分析，方便工程師更好的對解密程序以及芯片本身的特性及應用進行了解，我們提供lm1117芯片的技術資料，供大家做技術參考.
General Description
The LM1117 is a series of low dropout voltage regulators with a dropout of 1.2V at 800mA of load current. It has the same pin-out as National Semiconductor’s industry standard LM317.The LM1117 is available in an adjustable version, which can set the output voltage from 1.25V to 13.8V with only two external resistors. In addition, it is also available in five fixed  voltages, 1.8V, 2.5V, 2.85V, 3.3V, and 5V.The LM1117 offers current limiting and thermal shutdown. Its circuit includes a zener trimmed bandgap reference to assure output voltage accuracy to within ±1%. The LM1117 series is available in LLP, TO-263, SOT-223,TO-220, and TO-252 D-PAK packages. A minimum of 10μF tantalum capacitor is required at the output to improve the transient response and stability.
Features
·Available in 1.8V, 2.5V, 2.85V, 3.3V, 5V, and Adjustable Versions
·Space Saving SOT-223 and LLP Packages
·Current Limiting and Thermal Protection
·Output Current 800mA
·Line Regulation 0.2% (Max)
·Load Regulation 0.4% (Max)
·Temperature Range
— LM1117 0°C to 125°C
— LM1117I -40°C to 125°C
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