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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ACT8810 датащи(PDF) 1 Page - Active-Semi, Inc |
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ACT8810 датащи(HTML) 1 Page - Active-Semi, Inc |
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1 / 2 page  Innovative Power TM - 1 - www.active-semi.com Copyright © 2009 Active-Semi, Inc. ActivePMU TM and ActivePathTM are trademarks of Active-Semi. I 2CTM is a trademark of Philips Electronics. Product Brief, 12-Mar-09 Advanced Information―All Information Subject to Change Eight Channel ActivePath TM Power Management IC SYSTEM BLOCK DIAGRAM OUT4 0.9V to 3.3V Up to 360mA OUT3 Adjustable, or 0.8V to 4.4V Up to 0.55A System Control OUT1 Adjustable, or 0.8V to 4.4V Up to 1.3A OUT5 0.9V to 3.3V Up to 360mA nIRQ ON1 ON3 nPBIN ActivePath TM & Single-Cell Li+ Battery Charger Battery Programmable Up to 1A VSYS CHG_IN CHGLEV DCCC OUT2 Adjustable, or 0.8V to 4.4V Up to 1.0A nSTAT0 ACIN nRSTO SCL SDA VSEL ISET OUT6 0.9V to 3.3V Up to 30mA REG6 RTC_LDO ACT8810 TM PMU PMU Active REG1 Step-Down DC/DC REG2 Step-Down DC/DC REG3 Step-Down DC/DC REG4 LDO REG5 LDO ON2 nSTAT1 TH BTR Pb Pb-free FEATURES Eight Functions Integrated Into One Package: ActivePathTM Li+ Charger and System Power Selection 1.3A High Efficiency Step-Down DC/DC 1.0A High Efficiency Step-Down DC/DC 0.55A High Efficiency Step-Down DC/DC 360mA Low Noise, High PSRR LDOs 360mA Low Noise, High PSRR LDOs 30mA RTC LDO / Backup Battery Charger I2CTM Serial Interface Minimal External Components Compatible with USB or AC-Adapter Charging 5mm × 5mm, Thin-QFN (TQFN55-40) Package Only 0.75mm Height, RoHS Compliant APPLICATIONS Personal Navigation Devices Portable Media Players Smart Phones GENERAL DESCRIPTION The patent-pending ACT8810 is a complete, cost effect tive, highly-efficient ActivePMU TM power management solution that is ideal for a wide range of high performance portable handheld applications such as personal navigation devices (PNDs). This device integrates the ActivePath TM complete battery charging and management system with six power supply channels. The ActivePath architecture automatically selects the best available input supply for the system. If the external input source is not present or the system load current is more than the input source can provide, the ActivePath supplies additional current from the battery to the system. The charger is a complete, thermally- regulated, stand-alone single-cell linear Li+ charger that incorporates an internal power MOSFET. REG1, REG2, and REG3 are three independent, fixed-frequency, current-mode step-down DC/DC converters that output 1.3A, 1.0A, and 0.55A, respectively. REG4 and REG5 are high performance, low-noise, low-dropout linear regulators that output up to 360mA each. REG6 is a RTC LDO that outputs up to 30mA for a real time clock. Finally, an I 2C serial interface provides programmability for the DC/DC converters and LDOs. Tiny 5mm × 5mm 40-pin Thin-QFN package that is just 0.75mm thin. |
Аналогичный номер детали - ACT8810 |
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Аналогичное описание - ACT8810 |
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ссылки URL |
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