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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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EUP8086 Datenblatt(PDF) 1 Page - Eutech Microelectronics Inc |
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EUP8086 Datenblatt(HTML) 1 Page - Eutech Microelectronics Inc |
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1 / 19 page  EUP8086 DS8086 Ver 1.0 Apr. 2008 1 Battery Charger and Step-Down Converter for Portable Applications DESCRIPTION The EUP8086 is a complete constant-current/ constant-voltage linear battery charger for a single-cell 4.2V lithium-ion battery with a 600mA step-down converter. The input voltage range is 3.75V to 5.5V for the battery charger and 2.6V to 5.5V for the step-down converter, making it ideal for applications operating with single-cell lithium-ion/polymer batteries. The battery charger offers an integrated pass device, reverse blocking protection, high accuracy current and voltage regulation, charge status, and charge termination. The charging current is programmable via external resistor from 15mA to 500mA. In addition to these standard features, the device offers current limit, thermal protection, and soft-start. The step-down converter is a highly integrated converter operating at a 1.5MHz switching frequency, minimizing the size of external components while keeping switching losses low. It has independent input and enable pins. The output voltage ranges from 0.6V to the input voltage. The EUP8086 is available in a 12-lead 3mm× 3mm TDFN package and is rated over the -40°C to 85°C temperature range. Typical Application Circuit FEATURES Battery Charger: - Input Voltage Range : 3.75 V to 5.5V - Constant-Current/Constant-Voltage Operation with Thermal Feedback to Maximize Charge Rate Without Risk of Overheating - Internal 4.5 Hour Safety Timer for Termination - Charge Current Programmable Up to 500mA with 5% Accuracy - C/10 Charge Current Detection Output - 5µA Supply Current in Shutdown Mode Synchronous Buck Converter: - Input Voltage Range: 2.6V to 5.5V - Output Voltage Range: 0.6V to VIN - 600mA Output Current - Up to 90% Efficiency - 36µA Quiescent Current - 1.5MHz Switching Frequency - 120µs Start-Up Time Short-Circuit, Over-Temperature, and Current Limit Protection 3mm ×3mm TDFN-12 Package RoHS Compliant and 100% Lead (Pb)-Free APPLICATIONS Bluetooth Headsets Cellular Phones Handheld Instruments MP3 and Handheld Computers Portable Media Players Figure 1. |
Ähnliche Teilenummer - EUP8086 |
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Ähnliche Beschreibung - EUP8086 |
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