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AAT1138IRN-0.6-T1 Datasheet(PDF) 5 Page - Skyworks Solutions Inc. |
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AAT1138IRN-0.6-T1 Datasheet(HTML) 5 Page - Skyworks Solutions Inc. |
5 / 21 page Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 201978B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 15, 2013 AAT1138 2A Step-Down Converter with Adjustable Input Current Limit DATA SHEET 5 Typical Characteristics Step-Down Converter Efficiency (VOUT = 1.8V; L = 22μH; COUT = CSYSOUT = 22μF) Output Current (mA) 0.1 1 10 100 1000 10000 0 10 20 30 40 50 60 70 80 90 100 VSYSOUT = 2.5V VSYSOUT = 3.0V VSYSOUT = 3.6V VSYSOUT = 4.2V VSYSOUT = 5.0V VSYSOUT = 5.5V Step-Down Converter Efficiency (VOUT = 3.3V; L = 22μH; COUT = CSYSOUT = 22μF) Output Current (mA) 0.1 1 10 100 1000 10000 0 10 20 30 40 50 60 70 80 90 100 VSYSOUT = 3.6V VSYSOUT = 3.7V VSYSOUT = 4.2V VSYSOUT = 4.5V VSYSOUT = 5.0V VSYSOUT = 5.5V Step-Down Converter Load Regulation (VOUT = 1.8V; L = 22μH; COUT = CSYSOUT = 22μF) Output Current (mA) 0.1 400 800 1200 1600 2000 -1.2 -0.8 -0.4 0.0 0.4 0.8 1.2 VSYSOUT = 2.5V VSYSOUT = 3.0V VSYSOUT = 3.6V VSYSOUT = 4.2V VSYSOUT = 5.0V VSYSOUT = 5.5V Step-Down Converter Load Regulation (VOUT = 3.3V; L = 22μH; COUT = CSYSOUT = 22μF) Output Current (mA) 0 400 800 1200 1600 2000 -1.2 -0.8 -0.4 0.0 0.4 0.8 1.2 VSYSOUT = 3.7V VSYSOUT = 4.2V VSYSOUT = 4.5V VSYSOUT = 5.0V VSYSOUT = 5.5V Step-Down Converter Line Regulation vs. Input Voltage (VOUT = 1.8V) Input Voltage (V) 2.5 3.1 3.7 4.3 4.9 5.5 -0.3 -0.2 -0.1 0.0 0.1 0.2 0.3 0.4 ILOAD = 1mA ILOAD = 0.5A ILOAD = 1A ILOAD = 1.5A ILOAD = 2A |
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