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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LP28301 датащи(PDF) 1 Page - Lowpower Semiconductor inc |
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LP28301 датащи(HTML) 1 Page - Lowpower Semiconductor inc |
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1 / 9 page  LP28301-02 Mar.-2017 Email: marketing@lowpowersemi.com www.lowpowersemi.com Page 1 of 9 Preliminary Datasheet LP28301 2A Synchronous Buck Li-ion Charger General Description The LP28301 is a 5A Li-Ion battery charger intended for 4.4V~14V wall adapters. It utilizes a high efficiency synchronous buck converter topology to reduce power dissipation during charging. The LP28301 includes complete charge termination circuitry, automatic recharge and a ±1% 4.2V/4.3V /4.35V float voltage. When the adapter`s current capacity is less than the set charge current, the LP28301 would decrease the charge current automatically to keep the output of adapter would not be pull down by the chip. Additional features include shorted cell detection; temperature qualified charging and overvoltage protection. The LP28301 is available in a low profile QFN-28 package. Order Information LP28301 □ □ □ F: Pb-Free Package Type QV: QFN-28 Applications Quick charge 2.0/3.0 (QC2.0 / QC3.0) Quick charge for cell phone Portable Media Players Cellular and Smart mobile phone PDA/DSC Handheld Battery-Powered Devices Handheld Computers Charging Docks and Cradles Features Adapter Adaptive 5A Maximum Charge Current Input voltage: 4.4V~14V Programmable charge complete voltage: 4.2V /4.3V /4.35V Efficiency up to 90% Very Low Power Dissipation Operation with Thermal Regulation to Maximize Charge Rate Without Risk of Overheating Charges Single Cell Li-Ion Batteries Directly from USB Port Available in QFN28(4*4mm) Package RoHS Compliant and 100% Lead (Pb)-Free Functional Pin Description 27 25 24 23 1 2 3 4 5 16 15 6 22 17 28 21 20 19 18 7 VDDA VBAT CE IREF VDDA GNDA VB GNDP LDR VDDP BST LX HDR STAT 8 10 9 11 12 13 14 26 29 GNDA Marking Information Device Marking Package Shipping LP28301QVF LPS LP28301 YWX QFN-28 3K/REEL Y: Year code. W: Week code. X: Batch numbers. |
Аналогичный номер детали - LP28301 |
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Аналогичное описание - LP28301 |
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