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AMS1117-1.2V

Description

The AMS1117 is a series of low dropout voltage regulators which can provide up to 1A of output current. The AMS1117 is available in six fixed voltage, 1.2, 1.8, 2.5, 3.3 and 5.0V. Additionally it is also available in adjustable version. On chip precision trimming adjusts the reference/ output voltage to within ± 2%. On-chip thermal limiting provides protection against any combination of overload and ambient temperatures that would create excessive junction temperatures.

The AMS1117 series is available in SOT-223, TO-252, SOT89 packages. A minimum of 10uF tantalum capacitor is required at the output to improve the transient response and stability.

 

Features

u Low Dropout Voltage

u Load regulation:0.5% Max

u Optimized for Low Voltage

u On-chip thermal limiting.

u Maximum Input Voltage : 30V

u Adjustable Output Voltage or Fixed 1.2V, 1.8V,2.5V, 3.3V, 5V

Standard SOT-223,TO-252 ,SOT89 Packages

 

Applications

u Post Regulator for switching DC/DC Converter

u High Efficiency Linear Regulator

u Battery Chargers

u PC Add on Card

u Motherboard clock supplies

u LCD Monitor

u Set-top Box

 

Block Diagram

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