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FAN23SV20MAMPX Datasheet(PDF) 7 Page - ON Semiconductor |
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FAN23SV20MAMPX Datasheet(HTML) 7 Page - ON Semiconductor |
7 / 21 page © 2015 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN23SV20 MAMPX • Rev. 1.1 6 Electrical Characteristics Unless otherwise noted; VIN=12 V, VOUT=1.2 V, and TA = TJ = -40 to +125°C. (1) Symbol Parameter Condition Min. Typ. Max. Unit Supply Current IVIN,SD Shutdown Current EN=0 V 16 µA IVIN,Q Quiescent Current EN=5 V, Not Switching 1.8 mA IVIN,GateCharge Gate Charge Current EN=5 V, fSW=500 kHz 22 mA Linear Regulator VREG Regulator Output Voltage 4.75 5.05 5.25 V IREG Regulator Current Limit 60 mA Reference, Feedback Comparator VFB FB Voltage Trip Point 590 596 602 mV IFB FB Pin Bias Current -100 0 100 nA Modulator tON On-Time Accuracy -20 20 % tOFF,MIN Minimum SW Off-Time 320 374 ns DMIN Minimum Duty Cycle FB=1 V 0 % Soft-Start ISS Soft-Start Current SS=0.5 V 7 10 13 µA tON,SSMOD SS On-Time Modulation SS<0.6 V 25 100 % VSSCLAMP,NOM Nominal Soft-Start Voltage Clamp VFB=0.6 V 400 mV VSSCLAMP,OVL Soft-Start Voltage Clamp in Overload Condition VFB=0.3 V, OC Condition 40 mV PFM Zero-Crossing Detection Comparator VOFF ZCD Offset Voltage TA=TJ=25°C -6 0 mV Current Limit ILIM Valley Current Limit Accuracy TA=TJ=25°C, IVALLEY=24 A -10 10 % KILIM ILIM Set-Point Scale Factor 80 ILIMTC Temperature Coefficient 4000 ppm/°C Continued on the following page… |
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