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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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LP3990 Arkusz danych(PDF) 1 Page - National Semiconductor (TI) |
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LP3990 Arkusz danych(HTML) 1 Page - National Semiconductor (TI) |
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1 / 13 page  LP3990 150mA Linear Voltage Regulator for Digital Applications General Description The LP3990 regulator is designed to meet the requirements of portable, battery-powered systems providing an accurate output voltage, low noise, and low quiescent current. The LP3990 will provide a 0.8V output from the low input voltage of 2V at up to 150mA load current. When switched into shutdown mode via a logic signal at the enable pin, the power consumption is reduced to virtually zero. The LP3990 is designed to be stable with space saving ceramic capacitors as small as 0.47µF. Performance is specified for a -40˚C to 125˚C junction tem- perature range. For output voltages other than 0.8V, 1.35V, 1.5V, 1.8V, 2.5V, 2.8V, or 3.3V please contact your local NSC sales office. Features n 1% Voltage Accuracy at Room Temperature n Stable with Ceramic Capacitor n Logic Controlled Enable n No Noise Bypass Capacitor Required n Thermal-Overload and Short-Circuit Protection Key Specifications n Input Voltage Range 2.0 to 6.0V n Output Voltage Range 0.8 to 3.3V n Output Current 150mA n Output Stable - Capacitors 0.47uF n Virtually Zero I Q (Disabled) <10nA n Very Low I Q (Enabled) 43uA n Low Output Noise 150uV RMS n PSRR 55dB at 1kHz n Fast Start Up 105us Package All available in Lead Free option. 4 Pin micro SMD 1 mm x 1.28mm 6 pin LLP (SOT23 footprint) SOT23 - 5 For other package options contact your NSC sales office. Applications n Cellular Handsets n Hand-Held Information Appliances Typical Application Circuit 20076801 November 2004 © 2004 National Semiconductor Corporation DS200768 www.national.com |
Podobny numer części - LP3990 |
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Podobny opis - LP3990 |
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