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DFR0205 Datasheet(PDF) 5 Page - List of Unclassifed Manufacturers

Part # DFR0205
Description  5A 350KHz 25V Buck DC to DC Converter
PDF  9 Pages
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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DFR0205 Datasheet(HTML) 5 Page - List of Unclassifed Manufacturers

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Datasheet
5A 350KHz 25V Buck DC to DC Converter
5
GS2678 Electrical Characteristics
Ta = 25℃;unless otherwise specified.
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
System parameters test circuit figure4
VFB
Feedback
Voltage
Vin = 5V to 25V, Vout=5V
Iload=0.5A to 5A
0.776
0.8
0.824
V
Efficiency
ŋ
Vin=12V ,Vout=5V
Iout=5A
-
90
-
%
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
3.6
25
V
Shutdown Supply Current
ISTBY
VEN=0V
60
200
uA
Quiescent Supply Current
Iq
VEN =2V,
VFB =Vin
3
5
mA
Oscillator Frequency
Fosc
298
350
402
Khz
Switch Current Limit
IL
VFB =0
8
A
EN Pin Threshold
VEN
High (Regulator ON)
Low (Regulator OFF)
1.4
0.8
V
IH
VEN =2V (ON)
1
15
uA
EN Pin Input Leakage
Current
IL
VEN =0V (OFF)
1
15
uA
Max. Duty Cycle
DMAX
VFB=0V
100
%
SHENZHEN GSM ELECTAONIC CO.,LTD http://www.086ic.cn
tel:0755-81275006 mob:13424297678



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