전자부품 데이터시트 검색엔진 |
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AAT2556 데이터시트(PDF) 2 Page - Advanced Analog Technology, Inc. |
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AAT2556 데이터시트(HTML) 2 Page - Advanced Analog Technology, Inc. |
2 / 29 page Pin Descriptions Pin Configuration TDFN33-12 (Top View) FB GND EN_BUCK 1 EN_BAT ISET BAT VIN LX GND ADP GND STAT 2 3 4 5 6 12 11 10 9 8 7 Pin # Symbol Function 1 FB Feedback input. This pin must be connected directly to an external resistor divider. Nominal voltage is 0.6V. 2, 8, 10 GND Ground. 3 EN_BUCK Enable pin for the step-down converter. When connected to logic low, the step-down converter is disabled and it consumes less than 1µA of current. When connected to logic high, it resumes normal operation. 4 EN_BAT Enable pin for the battery charger. When internally pulled down, the battery charger is disabled and it consumes less than 1µA of current. When connected to logic high, it resumes normal operation. 5 ISET Charge current set point. Connect a resistor from this pin to ground. Refer to typical curves for resistor selection. 6 BAT Battery charging and sensing. 7 STAT Charge status input. Open drain status input. 9 ADP Input for USB/adapter charger. 11 LX Output of the step-down converter. Connect the inductor to this pin. Internally, it is connected to the drain of both high- and low-side MOSFETs. 12 VIN Input voltage for the step-down converter. EP Exposed paddle (bottom): connect to ground directly beneath the package. AAT2556 Battery Charger and Step-Down Converter for Portable Applications 2 2556.2006.09.1.2 |
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유사한 설명 - AAT2556 |
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