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LP6230AMSF 数据表(PDF) 5 Page - Lowpower Semiconductor inc |
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LP6230AMSF 数据表(HTML) 5 Page - Lowpower Semiconductor inc |
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5 / 7 page ![]() LP6230A–01 Oct.-2013 Email: marketing@lowpowersemi.com www.Lowpowersemi.com Page 5 of 7 Preliminary Datasheet LP6230A Electrical Characteristics (Vin=3.3V,Vout=5V,Cin=10uF,Cout=22uF,L1=4.7uH) Parameter Conditions LP6230A Units Min Typ Max Supply Voltage 2.7 5.5 V Output Voltage Range 2.7 30 V Supply Current(Shutdown) VEN=VOUT=0V,VSW=5V 0.1 1 uA Supply Current 430 550 uA Feedback Voltage 1.22 1.25 1.28 V Feedback Input Current VFB=1.25V 50 nA Switching Frequency 1200 KHz Maximum Duty Cycle 93 % EN Input Low Voltage 0.4 V EN Input High Voltage 1.4 V Low-side Current Limit 1.4 A High-side On Resistance Vout=3.3V 0.4 Ω Mosfet voltage 30 V |
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