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AAT2688IFK-AI-T1 Datasheet(PDF) 5 Page - Advanced Analogic Technologies |
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AAT2688IFK-AI-T1 Datasheet(HTML) 5 Page - Advanced Analogic Technologies |
5 / 20 page AAT2688 4.5A PMIC Solution for 12V Adapter Systems with 2-Output High Performance Step-Down Converters SystemPower TM PRODUCT DATASHEET 2688.2008.06.1.0 5 www .analogictech.com AAT2688 4.5A PMIC Solution for 12V Adapter Systems with 2-Output High Performance Step-Down Converters SystemPower TM PRODUCT DATASHEET 2688.2008.06.1.0 5 www .analogictech.com Typical Characteristics–Channel 1 Step-Down Converter Efficiency vs. Output Current (VOUT1 = 3.3V; L = 4.7µH) Output Current (mA) 0.1 1 10 100 1000 10000 0 10 20 30 40 50 60 70 80 90 100 VIN1 = 6V VIN1 = 8V VIN1 = 12V VIN1 = 18V VIN1 = 24V Step-Down Converter DC Regulation (VOUT1 = 3.3V; L = 4.7µH) Output Current (mA) -2.0 -1.5 -0.5 -1.0 0.0 1.0 2.0 1.5 0.5 0.1 1 10 100 1000 10000 VIN1 = 6V VIN1 = 8V VIN1 = 12V VIN1 = 18V VIN1 = 24V Step-Down Converter Output Voltage Error vs. Input Voltage (VOUT1 = 3.3V; L = 4.7µH) Input Voltage (V) 6 8 10 12 14 16 18 20 22 24 -2 -1 0 1 2 IOUT1 = 0.10mA IOUT1 = 100mA IOUT1 = 1000mA IOUT1 = 2250mA IOUT1 = 3500mA IOUT1 = 4500mA Step-Down Converter Switching Frequency vs. Temperature (VIN1 = 12V; VOUT1 = 3.3V; IOUT1 = 4.5A) Temperature (°C) 470 480 490 500 510 -40 -15 10 35 60 85 Step-Down Converter Switching Frequency vs. Input Voltage (VOUT1 = 3.3V; IOUT1 = 4.5A) Input Voltage (V) -3 -2 -1 0 1 2 3 6 8 10 12 14 16 18 20 22 24 No Load Step-Down Converter Input Current vs. Input Voltage (VEN1 = VIN1) Input Voltage (V) 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65 0.70 85°C 25°C -40°C |
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