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AAT2689IRN-AI-T1 Datasheet(PDF) 5 Page - Skyworks Solutions Inc. |
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AAT2689IRN-AI-T1 Datasheet(HTML) 5 Page - Skyworks Solutions Inc. |
5 / 20 page 5 AAT2689 PMIC Solution for 12V Adapter Systems with 2-Output High Performance Step-Down Converters DATA SHEET Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 202035A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • June 8, 2012 Typical Characteristics Step-Down Converter Efficiency vs. Load (VOUT1 = 3.3V; L = 4.7µH) Output Current (mA) 0 10 20 30 40 50 60 70 80 90 100 0.1 1 10 100 1000 10000 VIN1 = 6V VIN1 = 8V VIN1 = 12V VIN1 = 18V VIN1 = 24V Step-Down Converter DC Regulation (VOUT1 = 3.3V; L = 4.7µH) Output Current (mA) 0.1 1 10 100 1000 10000 -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 VIN1 = 6V VIN1 = 8V VIN1 = 12V VIN1 = 18V VIN1 = 24V Step-Down Converter Line Regulation (VOUT1 = 3.3V; L = 4.7µH) Input Voltage (V) -1.00 -0.75 -0.50 -0.25 0.00 0.25 0.50 0.75 1.00 6 8 10 12 14 16 18 20 22 24 IOUT1 = 0.1mA IOUT1 = 1mA IOUT1 = 1250mA IOUT1 = 2500mA Step-Down Converter Output Ripple (VIN1 = 12V; VOUT1 = 3.3V; IOUT1 = 1mA) Time (2µs/div) 3.29 3.30 3.31 0.0 0.2 0.4 0V 12V Step-Down Converter Output Ripple (VIN1 = 12V; VOUT1 = 3.3V; IOUT1 = 2.5A) Time (1µs/div) 3.28 3.30 3.32 2.0 3.0 4.0 0V 12V Step-Down Converter Load Transient Response (IOUT1 = 1.875A to 2.5A; VIN1 = 12V; VOUT1 = 3.3V; COUT1 = 2x22µF) Time (100µs/div) 3.2 3.3 3.4 1.5 2.0 2.5 3.0 2.5A 1.875A |
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