Advanced Monolithic Systems AMS1117 1A Low Dropout Voltage Regulator Datasheet

The features and characteristics of the AMS1117 series adjustable and fixed voltage regulators are as follows: output current of 1A, operation down to 1V input-to-output differential, maximum dropout voltage of 1.3V, high efficiency, low line regulation, low load regulation, etc. They are suitable for high-efficiency linear regulators, post regulators for switching supplies, 5V to 3.3V linear regulators, active SCSI terminators, power management for notebook computers, battery-powered instrumentation, etc.


Advanced Monolithic Systems AMS1117 1A Low Dropout Voltage Regulator Datasheet - cover page
Brand
Advanced
Document type
Datasheet
Language
English
Pages
8
File format
PDF
File size
83 KB
Published
06 June, 2012
Updated
28 September, 2023
Model
AMS1117
MD5 checksum
13492577DBAABEF3CEA266C0940145C3

About this manual

The AMS1117 series consists of three-terminal adjustable or fixed voltage regulators designed to provide 1A output current with a maximum dropout voltage of 1.3V at full load. Available in SOT-223, TO-252 (DPAK), and SO-8 packages, these devices operate down to a 1V input-to-output differential.

What's inside

  • Features
  • General Description
  • Applications
  • Ordering Information
  • Pin Connections
  • Absolute Maximum Ratings
  • Electrical Characteristics
  • Application Hints

Specifications

Output Current1A
Dropout Voltage (Max)1.3V at 1A load
Line Regulation (Typ)0.2%
Load Regulation (Typ)0.4%
Operating Junction Temperature-65°C to +125°C
Input Voltage (Max)15V

Frequently asked questions

What are the available fixed output voltages?

The device is available in fixed versions of 1.5V, 1.8V, 2.5V, 2.85V, 3.3V, and 5.0V.

What packages are available for the AMS1117?

The regulator is offered in SOT-223, TO-252 (DPAK), and SO-8 packages.

Is an output capacitor required for stability?

Yes, the circuit design requires an output capacitor; adding 22uF solid tantalum ensures stability for all operating conditions.

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