XL4016 Просмотр технического описания (PDF) - XLSEMI
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XL4016 Datasheet PDF : 10 Pages
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8A 180KHz 40V Buck DC to DC Converter
Datasheet
XL4016
Typical System Application (TTL shutdown function)
Logic level signals shutdown function can be used in typical system application with external
components. When the TTL high voltage above 3.3V(referenced to ground, lower than VIN), the
converter will shutdown, input current less than 5mA; when the TTL Low voltage below
0.8V(referenced to ground), the converter will turn on.
VIN 5
3 SW
L1 47uH/12A
VOUT=1.25*(1+R2/R1)
IOUT=0~8A
CC
XL4016
D1
MBR1545
R2
10K
105
C2 COUT
R3
105 1000uF/25V
VIN
VC 4
1 2 FB
10K
CIN
C1
GND
D2
470uF/50V 105
1N4148
OFF(High>3.3V)
R1
3.3K
ON(Low<0.8V)
TTL current capability larger than
TTL high voltage/(R1+R3)
Figure9. XL4016 Typical Application Circuit
Rev 1.2
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8
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