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LP3989 Datasheet(PDF) 1 Page - Lowpower Semiconductor inc |
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LP3989 Datasheet(HTML) 1 Page - Lowpower Semiconductor inc |
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1 / 8 page  LP3989-01 Aug.-2014 Email: marketing@lowpowersemi.com www.lowpowersemi.com Page 1 of 8 Preliminary Datasheet LP3989 600mA,Ultra-low noise, Small Package, Ultra-Fast CMOS LDO Regulator General Description The LP3989 is designed for portable RF and wireless applications with demanding performance and space requirements. The LP3989 performance is optimized for battery-powered systems to deliver ultra low noise and low quiescent current. Regulator ground current increases only slightly in dropout, further prolonging the battery life. The LP3989 also works with low-ESR ceramic capacitors, reducing the amount of board space necessary for power applications, critical in hand-held wireless devices. The LP3989 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 feedback accuracy, current limiting protection, and high ripple rejection ratio. It is available in the 5-lead of SOT23-5 packages. Order Information LP3989 □ □ □ □ □ F: Pb-Free Package Type B5: SOT23-5 Output Type 12: 1.2V 18: 1.8V 25: 2.5V 33: 3.3V Features Ultra-Low-Noise for RF Application 2.2V- 6V Input Voltage Range Low Dropout : 280mV @ 400mA 600mA Output Current, 750mA Peak Current High PSRR: -68dB at 1KHz < 0.01uA Standby Current When Shutdown Available in SOT23-5 and SOT223 Package Ultra-Fast Response in Line/Load transient 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 LP3989AB5F SOT23-5 3K/REEL GND 2 EN 1 VIN 4 OUT 3 ADJ 5 LP3989AB5F Chip Enable 2.2uF Vin 2.2uF R1 R2 Vout 22pF |
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Descripción similar - LP3989 |
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