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LP3983S Datasheet(PDF) 1 Page - Lowpower Semiconductor inc |
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LP3983S Datasheet(HTML) 1 Page - Lowpower Semiconductor inc |
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1 / 8 page  LP3983S-06 May.-2017 Email: marketing@lowpowersemi.com www.lowpowersemi.com Page 1 of 8 Preliminary Datasheet LP3983S 300mA,Ultra-low noise, Small Package Ultra-Fast CMOS LDO Regulator General Description The LP3983S is designed for portable RF and wireless applications with demanding performance and space requirements. The LP3983S performance is optimized for battery-powered systems to deliver ultra low noise and low quiescent current. A noise bypass pin is available for further reduction of output noise. Regulator ground current increases only slightly in dropout, further prolonging the battery life. The LP3983S also works with low-ESR ceramic capacitors, reducing the amount of board space necessary for power applications, critical in hand-held wireless devices. The LP3983S consumes less than 0.01µA in shutdown mode and has fast turn-on time less than 50µs. The other features include ultra low dropout voltage, high output accuracy, current limiting protection, and high ripple rejection ratio. It is available in SOT23-5 packages. Order Information LP3983S □ □ □ □ F: Pb-Free Package Type B5: SOT23-5 Output Type A：Adjustable Features Ultra-Low-Noise for RF Application 2V- 6V Input Voltage Range Low Dropout : 210mV @ 300mA 300mA Output Current, 550mA Peak Current High PSRR: -70dB at 217Hz < 0.1uA Standby Current When Shutdown Available in SOT23-5 Package Current Limiting and Thermal Shutdown Protection Applications Portable Media Players/MP3 players Cellular and Smart mobile phone LCD DSC Sensor Wireless Card Typical Application Circuit Marking Information Device Marking Package Shipping LP3983S LPS 1FYWX SOT23-5 3K/REEL Marking indication: Y:Production year W:Production week X:Production batch GND 2 EN 3 VIN 1 OUT 5 ADJ 4 LP3983SAB5F Chip Enable 2.2uF Vin 2.2uF R1 R2 Vout 22pF |
Número de pieza similar - LP3983S |
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Descripción similar - LP3983S |
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