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AOZ1073 数据表(PDF) 3 Page - Alpha & Omega Semiconductors |
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AOZ1073 数据表(HTML) 3 Page - Alpha & Omega Semiconductors |
3 / 15 page Rev. 1.1 September 2008 www.aosmd.com Page 3 of 15 AOZ1073 Block Diagram Absolute Maximum Ratings Exceeding the Absolute Maximum Ratings may damage the device. Note: 1. Devices are inherently ESD sensitive, handling precautions are required. Human body model rating: 1.5k Ω in series with 100pF. Recommend Operating Ratings The device is not guaranteed to operate beyond the Maximum Operating Ratings. Note: 2. The value of Θ JA is measured with the device mounted on 1-in 2 FR-4 board with 2oz. Copper, in a still air environment with TA = 25°C. The value in any given application depends on the user's specific board design. 500kHz/68kHz Oscillator AGND PGND VIN EN FB COMP LX OTP Internal +5V ILimit PWM Control Logic 5V LDO Regulator UVLO & POR Softstart Reference & Bias 0.8V Q1 Q2 PWM Comp Level Shifter + FET Driver ISen EAmp 0.2V + – + – + – + – + Frequency Foldback Comparator 0.96V + – OVP Comparator Parameter Rating Supply Voltage (VIN) 18V LX to AGND -0.7V to VIN+0.3V EN to AGND -0.3V to VIN+0.3V FB to AGND -0.3V to 6V COMP to AGND -0.3V to 6V PGND to AGND -0.3V to 0.3V Junction Temperature (TJ) +150°C Storage Temperature (TS) -65°C to +150°C ESD Rating(1) 2.0kV Parameter Rating Supply Voltage (VIN) 4.5V to 16V Output Voltage Range 0.8V to VIN Ambient Temperature (TA) -40°C to +85°C Package Thermal Resistance ( Θ JA) (2) SO-8 87°C/W Package Thermal Resistance ( Θ JC) SO-8 30°C/W Package Power Dissipation (PD) @ 25°C Ambient SO-8 1.15W |
类似零件编号 - AOZ1073 |
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类似说明 - AOZ1073 |
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