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LP2950-50LPRE3 Datasheet(PDF) 1 Page - Texas Instruments |
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LP2950-50LPRE3 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 26 page 0 50 100 150 200 250 300 350 400 450 500 -40 -25 -10 5 20 35 50 65 80 95 110 125 TA – Temperature – °C RL = 100 µA RL = 100 m A IL I Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LP2950, LP2951 SLVS582I – APRIL 2006 – REVISED NOVEMBER 2014 LP295x Adjustable Micropower Voltage Regulators with Shutdown 1 Features 2 Applications 1 • Wide Input Range: Up to 30 V • Applications with High-Voltage Input • Rated Output Current of 100 mA • Power Supplies • Low Dropout: 380 mV (Typ) at 100 mA 3 Description • Low Quiescent Current: 75 μA (Typ) The LP2950 and LP2951 devices are bipolar, low- • Tight Line Regulation: 0.03% (Typ) dropout voltage regulators that can accommodate a • Tight Load Regulation: 0.04% (Typ) wide input supply-voltage range of up to 30 V. The easy-to-use, 3-pin LP2950 is available in fixed-output • High VO Accuracy voltages of 5 V, 3.3 V, and 3 V. However, the 8-pin – 1.4% at 25°C LP2951 is able to output either a fixed or adjustable – 2% Over Temperature output from the same device. By tying the OUTPUT • Can Be Used as a Regulator or Reference and SENSE pins together, and the FEEDBACK and VTAP pins together, the LP2951 outputs a fixed 5 V, • Stable With Low ESR (>12 m Ω) Capacitors 3.3 V, or 3 V (depending on the version). • Current- and Thermal-Limiting Features Alternatively, by leaving the SENSE and VTAP pins • LP2950 Only (3-Pin Package) open and connecting FEEDBACK to an external resistor divider, the output can be set to any value – Fixed-Output Voltages of 5 V, 3.3 V, and 3 V between 1.235 V to 30 V. • LP2951 Only (8-Pin Package) – Fixed- or Adjustable-Output Voltages: Device Information(1) 5 V/ADJ, 3.3 V/ADJ, and 3 V/ADJ PART NUMBER PACKAGE BODY SIZE (NOM) – Low-Voltage Error Signal on Falling Output LP2950 TO-92 (3) 4.83 mm x 4.83 mm – Shutdown Capability SOIC (8) 4.90 mm x 3.90 mm LP2951 – Remote Sense Capability for Optimal Output SON (8) 3.00 mm x 3.00 mm Regulation and Accuracy (1) For all available packages, see the orderable addendum at the end of the data sheet. Dropout Voltage vs Temperature 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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