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LP3990MF-1.8 Datasheet(PDF) 1 Page - Texas Instruments |
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LP3990MF-1.8 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 28 page EN IN OUT GND VIN VEN GND VOUT LP3990 COUT 1 µF CIN 1 µF OFF ON GND Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LP3990 SNVS251J – MAY 2004 – REVISED SEPTEMBER 2014 LP3990 150-mA Linear Voltage Regulator for Digital Applications 1 Features 3 Description The LP3990 regulator is designed to meet the 1 • 1% Voltage Accuracy at Room Temperature requirements of portable, battery-powered systems • Stable with Ceramic Capacitor providing an accurate output voltage, low-noise, and • Logic Controlled Enable low-quiescent current. The LP3990 will provide a 0.8- V output from the low input voltage of 2 V at up to a • No Noise Bypass Capacitor Required 150-mA load current. When switched into shutdown • Thermal-Overload and Short-Circuit Protection mode via a logic signal at the enable pin (EN), the • Input Voltage Range, 2 V to 6 V power consumption is reduced to virtually zero. • Output Voltage Range, 0.8 V to 3.3 V The LP3990 is designed to be stable with space- • Output Current, 150 mA saving ceramic capacitors with values as low as 1 µF. • Output Stable - Capacitors, 1 µF Performance is specified for a –40°C to 125°C • Virtually Zero IQ (Disabled), < 10 nA junction temperature range. • Very Low IQ (Enabled), 43 µA For output voltages other than 0.8 V, 1.2 V, 1.35 V, • Low Output Noise, 150 µVRMS 1.5 V, 1.8 V, 2.5 V, 2.8 V, or 3.3 V, please contact the Texas Instruments sales office. • PSRR, 55 dB at 1 kHz • Fast Start-Up, 105 µs Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) 2 Applications DSBGA (4) 1.324 mm x 1.045 mm (MAX) • Cellular Handsets LP3990 WSON (6) 2.90 mm x 1.60 mm • Hand-Held Information Appliances SOT-23 (5) 3.00 mm x 3.00 mm (1) For all available packages, see the orderable addendum at the end of the datasheet. 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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