Datasheet 12A 180KHz 40V Buck DC to DC Converter XL4016 XL4016 Electrical Characteristics Ta = 25℃;unless otherwise specified. Symbol Parameter Test Condition Min. Typ. Max. Unit System parameters test circuit figure4 Feedback Vin = 8V to 40V, Vout=5V VFB 1.225 1.25 1.275 V Voltage Iload=0.5A to 8A Vin=12V,Vout=5V η Efficiency - 87 - % Iout=6A Vin=24V,Vout=12V η Efficiency - 93 - % Iout=6A Electrical Characteristics (DC Parameters) Vin = 24V, GND=0V, Vin & GND parallel connect a 470uf/50V capacitor; Iout=500mA, Ta = 25℃; the others floating unless otherwise specified. Parameters Symbol Test Condition Min. Typ. Max. Unit Input operation voltage Vin 8 36 V Quiescent Supply Current Iq VFB =5V 2.1 5 mA Oscillator Frequency Fosc 144 180 216 KHz Output Short Frequency Fosp 48 KHz Switch Current Limit IL VFB =0V 14 A Max. Duty Cycle DMAX VFB=0V 100 % VFB=0V, Vin=24V, Output Power PMOS Rdson 40 50 mohm ISW=12A Rev 1.6 www.xlsemi.com 5
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