LM1117MPX-3.3

1 Features

● Available in 1.8 V, 2.5V, 3.3 V, 5 V, and Adjustable Versions

● Space-Saving SOT-223 and WSON Packages

● Current Limiting and Thermal Protection

● Output Current 800 mA

● Line Regulation 0.2% (Maximum)

● Load Regulation 0.4% (Maximum)

● Temperature Range

   - LM1117: 0C to 125°C

   - LM1117|: -40°C to 125°C

2 Applications

● Post Regulator for Switching DC _DC Converter

● High Efficiency Linear Regulators

● Battery Chargers

● Portable Instrumentation

● Active SCSI Termination Regulator

3 Description

The LM1117 is a low dropout voltage regulator with a dropout of 1.2 V at 800 mA of load current.

The LM1117 is available in an adjustable version, which can set the output voltage from 1.25 to 13.8 V with only two external resistors. In addition， it is available in five fixed voltages, 1.8 V, 2.5 V, 3.3 V, and 5 V.

The LM1117 offers current limiting and thermal shutdown. lts circuit includes a Zener trimmed bandgap reference to assure output voltage accuracy to within +1%.

A minimum of 10-μF tantalum capacitor is required at the output to improve the transient response and stability.

4 Pin Configuration and Functions

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