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LT3992EFE View Datasheet(PDF) - Linear Technology

Part Name
Description
MFG CO.
'LT3992EFE' PDF : 36 Pages View PDF
LT3992
Applications Information
VOUT1
3.3V
1.5A
200kHz
100k
PG1
0.1µF
60.4k
VIN1
15V TO 60V
4.7µF
VIN1
SHDN1
VIN2
SHDN2
0.47µF
100µF
×2 8.06k
22µH
24.9k
BST1
SW1
BST2
SW2
IND1
IND2
LT3992
VOUT1
VOUT2
FB1
FB2
CMPI1
CMPI2
CMPO1 CMPO2
SS1
SS2
ILIM1
ILIM2
VC1
VC2
33pF
1000pF
RT/SYNC CLKOUT
DIV
GND
TJ
13k
10k 61.9k
4.7µF
VOUT1
22µH
0.22µF
113k 8.06k
47µF
VOUT2
12V
1.5A
400kHz
100k
PG2
ILIM1
CLKOUT
400kHz
10nF
680pF
15k
0.1µF
33pF
3992 F15
Figure 15. 12V and 3.3V Dual Step-Down Multi-Frequency Converter
VIN1
15V TO 60V
4.7µF
VOUT1
12V
1A
400kHz
PG
VOUT2
VIN1
SHDN1
VIN2
SHDN2
BST1
BST2
0.1µF
22µH
SW1
SW2
IND1
IND2
LT3992
VOUT1
VOUT2
100k
10µF 8.06k 113k
FB1
CMPI1
FB2
CMPI2
CMPO1 CMPO2
0.1µF
60.4k
33pF
680pF
15k
48.7k
SS1
SS2
ILIM1
VC1
ILIM2
VC2
RT/SYNC CLKOUT
DIV
GND
TJ
102k
2.2µH
0.1µF
24.9k 8.06k
FB1
ILIM1
CLKOUT
1600kHz
10nF
470pF
16k
47µF
VOUT2
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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