LP38513

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design LP38513 SNVS361E – JULY 2007 – REVISED NOVEMBER 2015 LP38513 3-A Fast Response Ultra-Low Dropout Linear Regulator 1 Features 1 Input Supply Voltage 2.25 V to 5.5 V Conversions from 2.5-V Rail to 1.8-V Rail Stable with Ceramic Capacitors Low Ground Pin Current Load Regulation of 0.1% for 10 mA to 3-A Load Current 60-μA Typical Quiescent Current in Shutdown Mode Specified Output Current of 3 A Specified VOUT Accuracy of ±2.6% With TJ from 0°C to +125°C ERROR Flag Indicates VOUT Status Overtemperature and Overcurrent Protection −40°C to +125°C Operating TJ Range 2 Applications Microprocessor Power Supplies GTL, GTL+, BTL, and SSTL Bus Terminators Power Supplies for DSPs SCSI Terminator Post Regulators Battery Chargers Other Battery Powered Applications 3 Description The LP38513 fast-response ultra-low dropout linear regulator operates from a 2.25-V to 5.5-V input supply. This device responds very quickly to step changes in line or load conditions, making it suitable for low-voltage microprocessor applications. Developed on a CMOS process, with a PMOS pass transistor, the LP38513 has low quiescent-current operation independent of the output load current. Ground Pin Current: Typically 12 mA at 3-A load current. Disable Mode: Typically 60 µA quiescent current when the enable (EN) pin is pulled low. ERROR Flag: The ERROR flag goes low...