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LP3990TL-2.8/NOPB-LP3990TLX-1.8 NOPB Fast Delivery,Good Price
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LP3990TL-2.8/NOPB |LP3990TL28NOPBTEXASN/a250avai150mA Linear Voltage Regulator for Digital Applications 4-DSBGA -40 to 125
LP3990TLX-1.8 NOPB |LP3990TLX18NOPBNSC N/a15000avai150mA Linear Voltage Regulator for Digital Applications 4-DSBGA -40 to 125


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LP3990TL-2.8/NOPB-LP3990TLX-1.8 NOPB
150mA Linear Voltage Regulator for Digital Applications 5-SOT-23 -40 to 125
OUTGND
VIN
VEN
GND
VOUT
LP3990
COUT
1 μF
CIN
1 μF
OFF
GND
Product
Sample &
Technical
Tools &
Support &
Community Features 3 Description
The LP3990 regulator is designed to meet the 1% Voltage Accuracyat Room Temperature requirementsof 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 providea 0.8- output from the low input voltageof2Vatuptoa• No Noise Bypass Capacitor Required 150-mA load current. When switched into shutdown• Thermal-Overload and Short-Circuit Protection mode viaa logic signalat the enable pin (EN), the• Input Voltage Range,2Vto6V power consumptionis reducedto virtually zero. Output Voltage Range, 0.8Vto 3.3V The LP3990is designed to be stable with space-• Output Current, 150 mA saving ceramic capacitors Output Stable- Capacitors,1 µF Performance is specified• Virtually ZeroIQ (Disabled),<10 nA junction temperature range. Very LowIQ (Enabled),43 µA For output voltages other• Low Output Noise, 150 µVRMS 1.5V, 1.8V, 2.5V, 2.8V,
the Texas Instruments sales• PSRR,55 dBat1 kHz Fast Start-Up, 105µs Device Information(1)2 Applications• Cellular Handsets• Hand-Held Information Appliances
(1) Forall available packages, see the orderable addendumat
the endofthe datasheet.
Simplified Schematic
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