LT3992EFE View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LT3992EFE' PDF : 36 Pages View PDF
LT3992
Applications Information
Independent Start-Up
PG1
PG2
VOUT1
0.5V/DIV
VOUT2
0.5V/DIV
Ratiometric Start-Up
PG1
PG2
VOUT1
0.5V/DIV
VOUT2
0.5V/DIV
Absolute Start-Up
PG1
PG2
VOUT1
0.5V/DIV
VOUT2
0.5V/DIV
0.1µF
0.22µF
5ms/DIV
LT3992
2.5V
12µA
SS1
0.72V +
–
2.5V
12µA
SS2
0.72V +
–
VOUT1
FB1
CMPI1
CMPO1
VOUT2
FB2
CMPI2
CMPO2
(14a)
R1 R3
R2
PG1
0.1µF
R4 R6
R5
PG2
10ms/DIV
LT3992
2.5V
12µA
SS1
0.72V +
–
2.5V
12µA
SS2
0.72V +
–
VOUT1
FB1
CMPI1
CMPO1
VOUT2
FB2
CMPI2
CMPO2
(14b)
R1 R3
R2
PG1
0.1µF
R4 R6
R5
PG2
R8
10ms/DIV
LT3992
2.5V
12µA
SS1
0.72V +
–
2.5V
12µA
SS2
0.72V +
–
R7
(14c)
VOUT1
FB1
CMPI1
CMPO1
VOUT2
FB2
CMPI2
CMPO2
R1 R3
R2
PG1
R4 R6
R5
PG2
22
0.1µF
0.22µF
Output Sequencing
PG1
PG2
10ms/DIV
VOUT1
0.5V/DIV
VOUT2
0.5V/DIV
Controlled Power Up and Down
PG1/PG2
SS1/2
VOUT1
0.5V/DIV
VOUT2
0.5V/DIV
10ms/DIV
LT3992
2.5V
12µA
SS1
0.72V +
–
2.5V
12µA
SS2
0.72V +
–
VOUT1
FB1
CMPI1
CMPO1
VOUT2
FB2
CMPI2
CMPO2
R1
R2
PG1
R4 R6
R5
PG2
R5
+–
LT3992
2.5V
12µA
SS1
0.72V +
–
2.5V
12µA
SS2
0.72V +
–
VOUT1
FB1
CMPI1
CMPO1
R1 R3
R2
PG1
VOUT2
FB2
CMPI2
CMPO2
R4 R6
R5
PG2
3992 F14
(14d)
(14e)
Figure 14. SS Pin Configurations
For more information www.linear.com/LT3992
3992fa
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