XL4016 原厂资料(4)

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8A 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 VFB Efficiency Efficiency

Voltage

Iload=0.5A to 8A Iout=6A

Iout=6A

1.225 1.25 1.275 - -

87 93

- -

V % %

Electrical Characteristics (DC Parameters)

Vin = 12V, GND=0V, Vin & GND parallel connect a 470uf/50V capacitor; Iout=500mA, Ta = 25℃; the others floating unless otherwise specified.

Parameters

Input operation voltage Quiescent Supply Current Oscillator Frequency Output Short Frequency Switch Current Limit Max. Duty Cycle Output Power PMOS Vin Over Voltage Protection

Symbol Vin Iq Fosc Fosp IL DMAX Rdson OVP

Test Condition

VFB =Vin

VFB =0 VFB=0V VFB=0V, Vin=12V,

ISW=8A

Min. Typ. Max. 8 144

2.1 180 48 10 100 40 45

40 5 216 50

Unit V mA KHz KHz A % mohm V