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LP38502SDX-ADJ Datasheet(PDF) 1 Page - Texas Instruments |
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LP38502SDX-ADJ Datasheet(HTML) 1 Page - Texas Instruments |
1 / 23 page LP38500-ADJ, LP38502-ADJ www.ti.com SNVS539F – NOVEMBER 2007 – REVISED APRIL 2013 LP38500/2-ADJ, LP38500A/2A-ADJ 1.5A FlexCap Low Dropout Linear Regulator for 2.7V to 5.5V Inputs Check for Samples: LP38500-ADJ, LP38502-ADJ 1 FEATURES DESCRIPTION TI's FlexCap LDO's feature unique compensation that 2 • FlexCap: Stable with Ceramic, Tantalum, or allows the use of any type of output capacitor with no Aluminum Capacitors limits on minimum or maximum ESR. The LP38500/2 • Stable with 10 µF Input/output Capacitor series of low-dropout linear regulators operates from • Adjustable Output Voltage from 0.6V to 5V a +2.7V to +5.5V input supply. These ultra low dropout linear regulators respond very quickly to step • Low Ground Pin Current changes in load, which makes them suitable for low • 25 nA Quiescent Current in Shutdown Mode voltage microprocessor applications. Developed on a • Ensured Output Current of 1.5A CMOS process, (utilizing a PMOS pass transistor), the LP38500/2 has low quiescent current that • Available in DDPAK/TO-263, PFM, and WSON-8 changes little with load current. Packages Ground Pin Current: Typically 2 mA at 1.5A load • Ensured VADJ Accuracy of ±1.5% @ 25°C (A current. Grade) • Ensured Accuracy of ±3.5% @ 25°C (STD) Disable Mode: Typically 25 nA quiescent current when the Enable pin is pulled low. • Over-Temperature and Over-Current Protection Simplified Compensation: Stable with any type of output capacitor, regardless of ESR. • −40°C to +125°C Operating TJ Range • Enable Pin (LP38502) Precision Output: "A" grade versions available with 1.5% VADJ tolerance (25°C) and 3% over line, load and temperature. APPLICATIONS • ASIC Power Supplies In: – Printers, Graphics Cards, DVD Players – Set Top Boxes, Copiers, Routers • DSP and FPGA Power Supplies • SMPS Regulator • Conversion from 3.3V or 5V Rail 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 © 2007–2013, 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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