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LP3878-ADJ Datasheet(PDF) 1 Page - Texas Instruments |
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LP3878-ADJ Datasheet(HTML) 1 Page - Texas Instruments |
1 / 25 page IN OUT S/D ADJ BYPASS GND LP3878-ADJ VIN **S/D *0.01 µF VOUT *4.7 µF (Ceramic or Tantalum recommended) *10 µF (Ceramic recommended) CFF R1 R2 Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design LP3878-ADJ SNVS311D – MAY 2005 – REVISED FEBRUARY 2015 LP3878-ADJ Micropower 800-mA Low-Noise "Ceramic Stable" Adjustable Voltage Regulator for 1-V to 5-V Applications 1 Features 3 Description The LP3878-ADJ is an 800-mA, adjustable output, 1 • Input Supply Voltage: 2.5 V to 16V voltage regulator designed to provide high • Output Voltage Range: 1 V to 5.5 V performance and low noise in applications requiring • Designed for Use With Low-ESR Ceramic output voltages as low as 1 V. Capacitors Using an optimized VIP (Vertically Integrated PNP) • Very Low Output Noise process, the LP3878-ADJ delivers superior • 8-Lead SO PowerPAD™ and WSON Surface- performance: Mount Packages • Ground Pin Current: Typically 5.5 mA at 800-mA load, and 180 µA at 100-µA load. • < 10- μA Quiescent Current in Shutdown • Low Power Shutdown: The LP3878-ADJ draws • Low Ground Pin Current at all Loads less than 10- μA quiescent current when the • Overtemperature and Overcurrent Protection SHUTDOWN pin is pulled low. • –40°C to 125°C Operating Junction Temperature • Precision Output: Ensured output voltage Range accuracy is 1% at room temperature. • Low Noise: Broadband output noise is only 18 μV 2 Applications (typical) with a 10-nF bypass capacitor. • ASIC Power Supplies In: Device Information(1) – Desktops, Notebooks, and Graphic Cards PART NUMBER PACKAGE BODY SIZE (NOM) – Set Top Boxes, Printers, and Copiers SO PowerPAD (8) 4.89 mm × 3.90 mm LP3878-ADJ • DSP and FPGA Power Supplies WSON (8) 4.00 mm × 4.00 mm • SMPS Post-Regulator (1) For all available packages, see the orderable addendum at • Medical Instrumentation the end of the data sheet. Basic Application Circuit *Capacitor values shown are minimum required to assure stability. A larger output capacitor provides improved dynamic response. Output capacitor must meet ESR requirements (see Application Information). **The SHUTDOWN (or S/D) pin must be actively terminated (see Device Functional Modes). Tie to IN (pin 4) if not used. 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. |
Similar Part No. - LP3878-ADJ_15 |
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Similar Description - LP3878-ADJ_15 |
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