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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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LP3994 Arkusz danych(PDF) 1 Page - National Semiconductor (TI) |
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LP3994 Arkusz danych(HTML) 1 Page - National Semiconductor (TI) |
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1 / 12 page  LP3994 50mA CMOS Voltage Regulator with Enable Control General Description The LP3994 regulator provides 1.5V and 1.8V outputs op- tions at up to 50mA load current. The LP3994 provides an accurate output voltage with low quiescent current at full current. Good noise performance is obtained without a noise bypass capacitor. The low quiescent current in operation can be reduced to virtually zero when the device is disabled via a logic signal to the enable input. In conjuction with small space saving capacitors, the small package size of the mi- croSMD devices results in a regulator solution with a very small footprint for any given application. The LP3994 is suitable for general use within the range of portable, battery-powered equipment and voltage options other than 1.5V and 1.8V can be made available. The LP3994 also features short-circuit and thermal- shutdown protection. Performance is specified for a -40˚C to 125˚C temperature range. This device is available with output voltages of 1.5V and 1.8V in both microSMD and LLP packages. Other voltages and alternative packages may be made available, please contact your local NSC sales office. Features n 4 Pin MicroSMD Package/ 6 Pin LLP n No Noise Bypass Capacitor Required n Logic Controlled Enable n Stable with Low ESR Ceramic Capacitors n Fast turn on time n Thermal-Overload and Short Circuit Protection Key Specifications n Input Voltage Range 2.5 to 5.5V n Output Voltage Range 1.5 to 3.3V n Output Current 50mA n Noise Figure 95µV RMS n PSRR 70dB n Fast Startup 10µs n Output Capacitor 1µF Low ESR n Virtually Zero I Q(Disabled) 0.001µA Package Tiny 4 Pin micro SMD 1mm by 1mm by 0.6m 6 pin LLP SOT23 footprint Applications n Bluetooth Devices n Battery Powered Devices n Portable Information Appliances Typical Application Circuit 20046501 August 2004 © 2004 National Semiconductor Corporation DS200465 www.national.com |
Podobny numer części - LP3994 |
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Podobny opis - LP3994 |
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