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LP2981-30DBVTG4 Datasheet(PDF) 1 Page - Texas Instruments |
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LP2981-30DBVTG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 17 page 1 FEATURES PORTABLE APPLICATIONS DBV (SOT-23) PACKAGE (TOP VIEW) 1 2 3 5 4 VIN GND ON/OFF VOUT NC NC − No connect; must be left open DESCRIPTION/ORDERING INFORMATION LP2981 www.ti.com ......................................................................................................................................................... SLVS521F – JULY 2004 – REVISED AUGUST 2008 100-mA ULTRA-LOW DROPOUT REGULATOR WITH SHUTDOWN • Mobile Phones • Output Tolerance of • Laptops – 0.75% (A Grade) • Personal Digital Assistants (PDAs) – 1.25% (Standard Grade) • Digital Cameras and Camcorders • Ultra-Low Dropout, Typically • CD and MP3 Players – 200 mV at Full Load of 100 mA – 7 mV at 1 mA • Wide V IN Range…16 V Max • Low I Q…600 µA Typ at Full Load of 100 mA • Shutdown Current…0.01 µA Typ • Fast Transient Response to Line and Load • Overcurrent and Thermal Protection • High Peak Current Capability • ESD Protection Exceeds JESD 22 – 2000-V Human-Body Model (A114-A) – 200-V Machine Model (A115-A) The LP2981 family of fixed-output, low-dropout regulators offers exceptional, cost-effective performance for both portable and nonportable applications. Available in fixed voltages of 2.8 V, 3 V, 3.3 V, and 5 V, the family has an output tolerance of 0.75% for the A-grade devices (1.25% for the standard grade) and is capable of delivering 100-mA continuous load current. Standard regulator features, such as overcurrent and overtemperature protection, are included. The LP2981 has features that make the regulator an ideal candidate for a variety of portable applications: • Low dropout: A PNP pass element allows a typical dropout of 200 mV at 100-mA load current and 7 mV at 1-mA load. • Low quiescent current: The use of a vertical PNP process allows for quiescent currents that are considerably lower than those associated with traditional lateral PNP regulators. • Shutdown: A shutdown feature is available, allowing the regulator to consume only 0.01 µA when the ON/OFF pin is pulled low. • Small packaging: For the most space-constrained needs, the regulator is available in the SOT-23 package. 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. PRODUCTION DATA information is current as of publication date. Copyright © 2004–2008, 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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