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LP6229 Datasheet(PDF) 3 Page - Lowpower Semiconductor inc |
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LP6229 Datasheet(HTML) 3 Page - Lowpower Semiconductor inc |
3 / 6 page Preliminary Datasheet LP6229 LP6229 –00 Version 1.0 Datasheet Jul.-2013 www.lowpowersemi.com - - Page 3 of 6 Absolute Maximum Ratings Supply Input Voltage---------------------------------------------------------------------------------------------------------------6V Power Dissipation, PD @ TA = 25°C SOT23-6----------------------------------------------------------------------------------------------------------450mW Package Thermal Resistance SOT23-6, θJA ---------------------------------------------------------------------------------------------------------------165°C/W Lead Temperature (Soldering, 10 sec.) ----------------------------------------------------------------------------------260°C Recommended Operating Conditions Supply Input Voltage-----------------------------------------------------------------------------------------------------2.2V to 6V EN Input Voltage ---------------------------------------------------------------------------------------------------------0V to 5.5V Operation Junction Temperature Range --------------------------------------------------------------------−40°C to 125°C Operation Ambient TemperatureRange------------------------------------------------------------------------−40°C to 85°C Electrical Characteristics (Vin=2.4V,Vout=3.5V,Cin=10uF,Cout=22uF,L1=2.2uH,R1=178K,R2=100K) Parameter Conditions LP6229 Units Min Typ Max Supply Voltage 1.6 6 V Output Voltage Range 2.5 28 V Supply Current(Shutdown) VEN=VOUT=0V,VSW=5V 0.05 1 uA Supply Current VFB=0.7V 0.19 mA Feedback Voltage 0.6 V Feedback Input Current VFB=0.7V 50 nA Switching Frequency 1.10 MHz Maximum Duty Cycle 80 90 95 % EN Input Low Voltage 0.4 V EN Input High Voltage 1.4 V High-side On Resistance Vout=3.3V 300 Mosfet Voltage 28 V Mosfet Current 1.5 A |
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