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LM3490IM5-3.3 Folha de dados(PDF) 1 Page - Texas Instruments |
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LM3490IM5-3.3 Folha de dados(HTML) 1 Page - Texas Instruments |
1 / 17 page LM3490 www.ti.com SNVS012E – JUNE 1999 – REVISED APRIL 2013 LM3490 100 mA, SOT-23, Quasi Low-Dropout Linear Voltage Regulator with Logic- Controlled ON/OFF Check for Samples: LM3490 1 FEATURES DESCRIPTION The LM3490 is an integrated linear voltage regulator. 2 • 3.3, 5, 12, and 15V Versions Available It features operation from an input as high as 30V • Logic-Controlled ON/OFF and a specified maximum dropout of 1.2V at the full • Packaged in the Tiny 5-Lead SOT-23 Package 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 APPLICATIONS powering subsystems ON and OFF as needed. • Tiny Alternative to LM78LXX Series and The 5, 12, and 15V members of the LM3490 series Similar Devices are intended as tiny alternatives to industry standard • Tiny 5V±5% to 3.3V, 100 mA Converter LM78LXX series and similar devices. The 1.2V quasi • Post Regulator for Switching DC/DC Converter low dropout of LM3490 series devices makes them a • Bias Supply for Analog Circuits nice fit in many applications where the 2 to 2.5V dropout of LM78LXX series devices precludes their (LM78LXX series devices) use. KEY SPECIFICATIONS The LM3490 series features a 3.3V member. The • 30V Maximum Input for Operation SOT packaging and quasi low dropout features of the • 1.2V Specified Maximum Dropout over Full LM3490 series converge in this device to provide a Load and Temperature Ranges very nice, very tiny 3.3V, 100 mA bias supply that • 100 mA Specified Load Current regulates directly off the system 5V±5% power supply. • ±5% Specified Output Voltage Tolerance over Full Load and Temperature Ranges • −40 to +125°C Junction Temperature Range for Operation 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 critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 1999–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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