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LP38513 Datasheet(PDF) 1 Page - Texas Instruments |
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LP38513 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 20 page  OUT IN GND LP38513 VIN VOUT EN VEN 10 k: ERROR VERROR CIN 10 PF Ceramic COUT 10 PF Ceramic GND GND ON OFF LP38513 www.ti.com SNVS361C – JULY 2007 – REVISED MARCH 2009 LP38513-1.8 3A Fast Response Ultra Low Dropout Linear Regulator Check for Samples: LP38513 1 FEATURES APPLICATIONS 2 • Conversions from 2.5V Rail to 1.8V • Microprocessor Power Supplies • Stable with Ceramic Capacitors • GTL, GTL+, BTL, and SSTL Bus Terminators • Low Ground Pin Current • Power Supplies for DSPs • Load Regulation of 0.1% for 10 mA to 3A Load • SCSI Terminator Current • Post Regulators • 60 μA Typical Quiescent Current in Shutdown • Battery Chargers Mode • Other Battery Powered Applications • Specified Output Current of 3A DESCRIPTION • Available in 5-Lead TO-220 and DDPAK/TO-263 The LP38513 fast response ultra low dropout linear Packages regulator operates from a +2.25V to +5.50V input supply. This ultra low dropout linear regulator • Specified VOUT Accuracy of ±2.6% with TJ from responds very quickly to step changes in line or load 0°C to +125°C conditions, which makes it suitable for low voltage • ERROR Flag Indicates VOUT Status microprocessor applications. Developed on a CMOS • Over-Temperature and Over-Current process, with a PMOS pass transistor, the LP38513 has low quiescent current operation that is Protection independent of the output load current. • −40°C to +125°C Operating TJ Range Ground Pin Current: Typically 12 mA at 3A load current. Disable Mode: Typically 60 µA quiescent current when the Enable pin is pulled low. ERROR Flag: The ERROR Flag goes low if VOUT falls more than typically 15% below the nominal value. Precision Output Voltage: A specified VOUT accuracy of ±2.6% with TJ from 0°C to 125°C. Typical Application Circuit 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 © 2007–2009, 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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