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Introduction                 

      CN1117 is a series of low dropout threeterminal regulators with a dropout of 1.4V at 1A load current. CN1117 features a low standby current 2mA. Other than a fixed version (VOUT = 1.2V,1.5V, 1.8V, 2.5V,2.85V,3V, 3.3V, 3.5V, and 5.0V), CN1117 has an adjustable version, which can provide an output voltage from 1.25 to 5.0V with only two external resistors. CN1117 offers thermal shut down and current limit functions, to assure stability of chip and power system. Trimming technique is used to guarantee output voltage accuracy within 1%. Other output voltage accuracy such as 1% can be customized on demand.

      CN1117 is available in SOT-223 ,TO-220,TO-263 power packages.


Features

CN1117.png

      Adjustable or fixed output .

      Output current is 1A

      Low dropout -1.3V typ.at 1A output current

      100% thermal limit bumin

      Line regulation: 0.04%/

      Load regulation: 0.2%

      Fast transient response

      CN1117 can operate using MLCCs in the capacitance range of 2μF to 10μF.


Applications

      Fast transient response

      High efficiency linear regulators

      Adjustable power supply

      Post Regulators for Switching Supplies

产品手册下载
CN1117_EN.pdf
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