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AAT1149B Datasheet(PDF) 3 Page - Advanced Analogic Technologies |
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AAT1149B Datasheet(HTML) 3 Page - Advanced Analogic Technologies |
3 / 17 page AAT1149B 2.2MHz Fast Transient 400mA Step-Down Converter SwitchRegTM PRODUCT DATASHEET 1149B.2008.07.1.0 3 www .analogictech.com AAT1149B 2.2MHz Fast Transient 400mA Step-Down Converter SwitchRegTM PRODUCT DATASHEET 1149B.2008.07.1.0 3 www .analogictech.com Absolute Maximum Ratings1 Symbol Description Value Units VIN Input Voltage to GND 6.0 V VLX LX to GND -0.3 to VIN + 0.3 V VFB FB to GND -0.3 to VIN + 0.3 V VEN EN to GND -0.3 to 6.0 V TJ Operating Junction Temperature Range -40 to 150 °C TLEAD Maximum Soldering Temperature (at leads, 10 sec) 300 °C Thermal Information Symbol Description Value Units PD Maximum Power Dissipation2, 3 352 mW θJA Thermal Resistance2 284 °C/W 1. Stresses above those listed in Absolute Maximum Ratings may cause permanent damage to the device. Functional operation at conditions other than the operating conditions specified is not implied. Only one Absolute Maximum Rating should be applied at any one time. 2. Mounted on an FR4 board; use the NSMD (none-solder mask defined) pad style for tighter control on the copper etch process. 3. Derate 3.52 mW/°C above 25°C. |
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