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LP3872 Datasheet(PDF) 8 Page - Texas Instruments |
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LP3872 Datasheet(HTML) 8 Page - Texas Instruments |
8 / 28 page LP3872, LP3875 SNVS227H – FEBRUARY 2003 – REVISED JANUARY 2015 www.ti.com 7 Detailed Description 7.1 Overview The LP387x linear regulators are designed to provide an ultra-low-dropout voltage with excellent transient response and load/line regulation. For battery-powered always-on type applications, the very low quiescent current of LP387x in shutdown mode helps reduce battery drain. For applications where load is not placed close to the regulator, LP3875 incorporates a voltage sense circuit to improve voltage regulation at the point of load. ERROR output pin of LP3872 can be used in the system to flag a low-voltage condition. 7.2 Functional Block Diagram Figure 8. LP3872 Figure 9. LP3875 7.3 Feature Description 7.3.1 Shutdown (SD) The LM387x devices have a shutdown feature that turns the device off and reduces the quiescent current to 10 nA, typical. 8 Submit Documentation Feedback Copyright © 2003–2015, Texas Instruments Incorporated Product Folder Links: LP3872 LP3875 |
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