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LP2981-29DBVTG4 Datasheet(PDF) 1 Page - Texas Instruments |
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LP2981-29DBVTG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 14 page www.ti.com 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 LP2981-29 ,, LP2981-50,, LP2981A-29,, LP2981A-50 100-mA ULTRA-LOW DROPOUT REGULATOR WITH SHUTDOWN SLVS768 – MARCH 2007 • 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 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 2.9 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. ORDERING INFORMATION(1) VOUT ORDERABLE TOP-SIDE TJ PART GRADE PACKAGE(2) (NOM) PART NUMBER MARKING(3) Reel of 3000 LP2981A-29DBVR 2.9 V SOT-23-5 – DBV LRB_ Reel of 250 LP2981A-29DBVT A grade: 0.75% tolerance Reel of 3000 LP2981A-50DBVR 5 V SOT-23-5 – DBV LPE_ Reel of 250 LP2981A-50DBVT –40 °C to 125°C Reel of 3000 LP2981-29DBVR 2.9 V SOT-23-5 – DBV LP3_ Reel of 250 LP2981-29DBVT Standard grade: 1.25% tolerance Reel of 3000 LP2981-50DBVR 5 V SOT-23-5 – DBV LPD_ Reel of 250 LP2981-50DBVT (1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI web site at www.ti.com. (2) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. (3) The actual top-side marking has one additional character that designates the assembly/test site. 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 © 2007, 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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