lt3692a Linear Technology Corporation, lt3692a Datasheet - Page 22

• Manufacturer Part Number: lt3692a
• Description: Monolithic Dual Tracking 3.5a Step-down Switching Regulator
• Manufacturer: Linear Technology Corporation

LT3692A
APPLICATIONS INFORMATION
0.22μF
22
0.1μF
12μA
12μA
LT3692A
SS1
SS2
Independent Start-Up
2.5V
2.5V
0.22μF
0.1μF
0.72V
0.72V
5ms/DIV
PG1
(14a)
+
–
+
–
PG2
12μA
12μA
LT3692A
SS1
SS2
CMPO1
CMPO2
CMPI1
CMPI2
V
V
OUT1
OUT2
FB1
FB2
2.5V
2.5V
Output Sequencing
0.72V
0.72V
10ms/DIV
V
0.5V/DIV
V
0.5V/DIV
PG2
(14d)
OUT1
OUT2
R1
R2
R4
R5
+
–
+
–
PG1
R3
R6
PG1
PG2
0.1μF
CMPO1
CMPO2
CMPI1
CMPI2
V
V
OUT1
OUT2
FB1
FB2
Figure 14. SS Pin Configurations
V
0.5V/DIV
V
0.5V/DIV
OUT1
OUT2
12μA
12μA
LT3692A
SS1
SS2
R1
R2
R4
R5
Ratiometric Start-Up
2.5V
2.5V
R6
PG2
0.72V
0.72V
10ms/DIV
PG1
PG2
PG1
(14b)
+
–
+
–
+
–
CMPO1
CMPO2
CMPI1
CMPI2
V
V
OUT1
OUT2
FB1
FB2
R5
V
0.5V/DIV
V
0.5V/DIV
OUT1
OUT2
12μA
12μA
Controlled Power Up and Down
R1
R2
R4
R5
LT3692A
SS1
SS2
R3
R6
2.5V
2.5V
PG1
PG2
0.1μF
PG1/PG2
0.72V
0.72V
R8
10ms/DIV
(14e)
SS1/2
+
–
+
–
12μA
12μA
LT3692A
SS1
SS2
CMPO1
CMPO2
CMPI1
CMPI2
V
V
2.5V
2.5V
OUT1
OUT2
FB1
FB2
Absolute Start-Up
PG2
0.72V
0.72V
10ms/DIV
3692a F14
PG1
(14c)
V
0.5V/DIV
V
0.5V/DIV
OUT1
OUT2
R1
R2
R4
R5
R7
+
–
+
–
R3
R6
PG1
PG2
CMPO1
CMPO2
CMPI1
CMPI2
V
V
OUT1
OUT2
FB1
FB2
V
0.5V/DIV
V
0.5V/DIV
OUT1
OUT2
R1
R2
R4
R5
3692af
R3
R6
PG1
PG2