XL4012 데이터 시트보기 (PDF) - XLSEMI
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XL4012 Datasheet PDF : 9 Pages
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电话:0512-50710709
12A 300KHz 32V Buck DC to DC Converter
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Datasheet
XL4012
XL4012 Electrical Characteristics
Ta = 25℃;unless otherwise specified.
Symbol Parameter
Test Condition
System parameters test circuit figure4
VFB
Efficiency
Feedback
Voltage
ŋ
Vin = 7V to 32V, Vout=5V
Iload=0.5A to 12A
Vin=15V ,Vout=5V
Iout=12A
Min. Typ. Max. Unit
0.776 0.8 0.824 V
- 93 - %
Electrical Characteristics (DC Parameters)
Vin = 12V, GND=0V, Vin & GND parallel connect a 220uf/50V capacitor; Iout=500mA, Ta =
25℃; the others floating unless otherwise specified.
Parameters
Symbol
Test Condition
Min. Typ. Max. Unit
Input operation voltage
Vin
5
32 V
Quiescent Supply Current
Iq
VFB =Vin
3
5 mA
Oscillator Frequency
Fosc
240 300 360 Khz
Switch Current Limit
IL
VFB =0
14
A
Max. Duty Cycle
DMAX
VFB=0V
100
%
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