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Part Name
Description
LT3992EFE View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
LT3992EFE
Monolithic Dual Tracking 3A Step-Down Switching Regulator
Linear Technology
'LT3992EFE' PDF : 36 Pages
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LT3992
Applications Information
V
OUT1
3.3V
1.5A
200kHz
100k
PG1
0.1µF
60.4k
V
IN1
15V TO 60V
4.7µF
V
IN1
SHDN1
V
IN2
SHDN2
0.47µF
100µF
×2 8.06k
22µH
24.9k
BST1
SW1
BST2
SW2
IND1
IND2
LT3992
V
OUT1
V
OUT2
FB1
FB2
CMPI1
CMPI2
CMPO1 CMPO2
SS1
SS2
ILIM1
ILIM2
V
C1
V
C2
33pF
1000pF
RT/SYNC CLKOUT
DIV
GND
T
J
13k
10k 61.9k
4.7µF
V
OUT1
22µH
0.22µF
113k
8.06k
47µF
V
OUT2
12V
1.5A
400kHz
100k
PG2
I
LIM1
CLKOUT
400kHz
10nF
680pF
15k
0.1µF
33pF
3992 F15
Figure 15. 12V and 3.3V Dual Step-Down Multi-Frequency Converter
V
IN1
15V TO 60V
4.7µF
V
OUT1
12V
1A
400kHz
PG
V
OUT2
V
IN1
SHDN1
V
IN2
SHDN2
BST1
BST2
0.1µF
22µH
SW1
SW2
IND1
IND2
LT3992
V
OUT1
V
OUT2
100k
10µF
8.06k
113k
FB1
CMPI1
FB2
CMPI2
CMPO1 CMPO2
0.1µF
60.4k
33pF
680pF
15k
48.7k
SS1
SS2
ILIM1
V
C1
ILIM2
V
C2
RT/SYNC CLKOUT
DIV
GND
T
J
102k
2.2µH
0.1µF
24.9k
8.06k
FB1
ILIM1
CLKOUT
1600kHz
10nF
470pF
16k
47µF
V
OUT2
3.3V
2A
1600kHz
33pF
0.1µF
3992 F16
Figure 16. 12V and 3.3V 2-Stage Multi-Frequency Step-Down Converter
24
For more information
www.linear.com/LT3992
3992fa
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