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LM1085IT-ADJ データシート(PDF) 1 Page - Texas Instruments |
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LM1085IT-ADJ データシート(HTML) 1 Page - Texas Instruments |
1 / 22 page LM1085 www.ti.com SNVS038G – JULY 1999 – REVISED MARCH 2013 LM1085 3A Low Dropout Positive Regulators Check for Samples: LM1085 1 FEATURES DESCRIPTION The LM1085 is a series of low dropout positive 2 • Available in 3.3V, 5.0V, 12V and Adjustable voltage regulators with a maximum dropout of 1.5V at Versions 3A of load current. It has the same pin-out as TI's • Current Limiting and Thermal Protection industry standard LM317. • Output Current 3A The LM1085 is available in an adjustable version, • Line Regulation 0.015% (typical) which can set the output voltage with only two external resistors. It is also available in three fixed • Load Regulation 0.1% (typical) voltages: 3.3V, 5.0V and 12.0V. The fixed versions integrate the adjust resistors. APPLICATIONS The LM1085 circuit includes a zener trimmed • High Efficiency Linear Regulators bandgap reference, current limiting and thermal • Battery Charger shutdown. • Post Regulation for Switching Supplies The LM1085 series is available in TO-220 and • Constant Current Regulator DDPAK/TO-263 packages. Refer to the LM1084 for • Microprocessor Supply the 5A version, and the LM1086 for the 1.5A version. Connection Diagram Figure 1. TO-220 Top View Figure 2. DDPAK/TO-263 Top View Figure 3. Basic Functional Diagram, Adjustable Figure 4. Application Circuit Version 1.2V to 15V Adjustable Regulator 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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