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7440530047 データシート(PDF) 1 Page - Skyworks Solutions Inc. |
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7440530047 データシート(HTML) 1 Page - Skyworks Solutions Inc. |
1 / 19 page 1 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 201998B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 20, 2013 AAT1162 12V, 1.5A Step-Down DC/DC Converter DATA SHEET General Description The AAT1162 is an 800kHz high efficiency step-down DC/DC converter. With a wide input voltage range of 4.0V to 13.2V, the AAT1162 is an ideal choice for dual- cell Lithium-ion battery-powered devices and mid-pow- er-range regulated 12V-powered industrial applications. The internal power switches are capable of delivering up to 1.5A to the load. The AAT1162 is a highly integrated device, simplifying system-level design. Minimum external components are required for the converter. The AAT1162 optimizes efficiency throughout the entire load range. It operates in a combination PWM/Light Load mode for improved light-load efficiency. The high switch- ing frequency allows the use of small external compo- nents. The low current shutdown feature disconnects the load from VIN and drops shutdown current to less than 1μA. The AAT1162 is available in a Pb-free, space-saving, thermally-enhanced 16-pin TDFN34 package and is rated over an operating temperature range of -40°C to +85°C. Features • Input Voltage Range: 4.0V to 13.2V • Up to 1.5A Load Current • Fixed or Adjustable Output: ▪ Output Voltage: 0.6V to VIN • Low 150μA No-Load Operating Current • Less than 1μA Shutdown Current • Up to 96% Efficiency • Integrated Power Switches • 800kHz Switching Frequency • Soft Start Function • Short-Circuit and Over-Temperature Protection • Minimum External Components • TDFN34-16 Package • Temperature Range: -40°C to +85°C Applications • Distributed Power Systems • Industrial Applications • Laptop Computers • Portable DVD Players • Portable Media Players • Set-Top Boxes • TFT LCD Monitors and HDTVs Typical Application LX IN AIN AAT1162 EN PGND FB AGND LDO COMP C3 22μF R4 10 R5 24k C2 0.1μF C8 1μF C9 1μF C7 330pF L1 2.2 to 4.7μH Output: 0.6V min, 1.5A max C6 10μF Input: 4.0V ~ 13.2V DGND |
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同様の説明 - 7440530047 |
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