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LM3490

Texas Instruments
Part Number LM3490
Manufacturer Texas Instruments
Description Quasi Low-Dropout Linear Voltage Regulator
Published Aug 21, 2019
Detailed Description LM3490 www.ti.com SNVS012E – JUNE 1999 – REVISED APRIL 2013 LM3490 100 mA, SOT-23, Quasi Low-Dropout Linear Voltage R...
Datasheet PDF File LM3490 PDF File

LM3490
LM3490

Overview
LM3490 www.
ti.
com SNVS012E – JUNE 1999 – REVISED APRIL 2013 LM3490 100 mA, SOT-23, Quasi Low-Dropout Linear Voltage Regulator with LogicControlled ON/OFF Check for Samples: LM3490 FEATURES 1 •2 3.
3, 5, 12, and 15V Versions Available • Logic-Controlled ON/OFF • Packaged in the Tiny 5-Lead SOT-23 Package APPLICATIONS • Tiny Alternative to LM78LXX Series and Similar Devices • Tiny 5V±5% to 3.
3V, 100 mA Converter • Post Regulator for Switching DC/DC Converter • Bias Supply for Analog Circuits KEY SPECIFICATIONS • 30V Maximum Input for Operation • 1.
2V Specified Maximum Dropout over Full Load and Temperature Ranges • 100 mA Specified Load Current • ±5% Specified Output Voltage Tolerance over Full Load and Temperature Ranges • −40 to +125°C Junction Temperature Range for Operation DESCRIPTION The LM3490 is an integrated linear voltage regulator.
It features operation from an input as high as 30V and a specified maximum dropout of 1.
2V at the full 100 mA load.
Standard packaging for the LM3490 is the 5-lead SOT-23 package.
A logic-controlled ON/OFF feature makes the LM3490 ideal for powering subsystems ON and OFF as needed.
The 5, 12, and 15V members of the LM3490 series are intended as tiny alternatives to industry standard LM78LXX series and similar devices.
The 1.
2V quasi low dropout of LM3490 series devices makes them a nice fit in many applications where the 2 to 2.
5V dropout of LM78LXX series devices precludes their (LM78LXX series devices) use.
The LM3490 series features a 3.
3V member.
The SOT packaging and quasi low dropout features of the LM3490 series converge in this device to provide a very nice, very tiny 3.
3V, 100 mA bias supply that regulates directly off the system 5V±5% power supply.
Typical Application Circuit Connection Diagram Figure 1.
Top View SOT-23 Package 5-Lead, Molded-Plastic Small-Outline Transistor (SOT) Package Package Code DBV0005A 1 Please be aware that an important notice concerning availability, standard warranty, and use in criti...


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