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LP2992AILDX-5.0 Datasheet(PDF) 1 Page - Texas Instruments |
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LP2992AILDX-5.0 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 35 page ON/OFF IN OUT GND VIN VON/OFF VOUT LP2992 COUT 4.7 µF CIN 1 µF OFF ON CBYPASS 4.7 µF BYPASS Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design LP2992 SNVS171I – NOVEMBER 2001 – REVISED NOVEMBER 2015 LP2992 Micropower 250-mA Low-Noise Ultralow-Dropout Regulator in SOT-23 and WSON Packages Designed for Use With Very Low-ESR Output Capacitors 1 Features 3 Description The LP2992 is a 250-mA, fixed-output voltage 1 • Input Voltage Range: 2.2 V to 16 V regulator designed to provide ultralow-dropout and • Output Voltage Range: 1.5 V to 5 V low noise in battery-powered applications. • Wide Supply Voltage Range (16-V Maximum) Using an optimized Vertically Integrated PNP (VIP) • Ultralow-Dropout Voltage process, the LP2992 delivers unequaled performance • Specified 250-mA Output Current in all specifications critical to battery-powered designs: • Smallest Possible Size (SOT-23, WSON • Dropout voltage: Typically 450 mV at 250-mA Package) load, and 5 mV at 1-mA load. • Requires Minimum External Components • Ground pin current: Typically 1500 µA at 250-mA • Stable With Low-ESR Output Capacitor load, and 75 µA at 1-mA load. • < 1-µA Quiescent Current When Shut Down • Enhanced stability: The LP2992 is stable with • Low Ground Pin Current at All Loads output capacitor equivalent series resistance (ESR) as low as 5 m Ω which allows the use of • Output Voltage Accuracy 1% (A Grade) ceramic capacitors on the output. • High Peak Current Capability • Sleep mode: Less than 1-µA quiescent current • Low ZOUT: 0.3-Ω Typical (10 Hz to 1 MHz) when ON/OFF pin is pulled low. • Overtemperature and Overcurrent Protection • Smallest possible size: SOT-23 and WSON • −40°C to +125°C Junction Temperature Range packages use absolute minimum board space. • Custom Voltages Available • Precision output: 1% tolerance output voltages available (A grade). 2 Applications • Low noise: By adding a 10-nF bypass capacitor, output noise can be reduced to 30 µV (typical). • Cellular Phones • Multiple voltage options, from 1.5 V to 5 V, are • Palmtop/Laptop Computers available as standard products. Consult factory for • Personal Digital Assistants (PDA) custom voltages. • Camcorders, Personal Stereos, Cameras Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) WSON (6) 3.29 mm × 2.92 mm LP2992 SOT-23 (5) 2.90 mm × 1.60 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Simplified Schematic 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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