LT3505 LINER [Linear Technology], LT3505 Datasheet - Page 22

• Manufacturer Part Number: LT3505
• Description: Monolithic Dual Tracking 3A Step-Down Switching
• Manufacturer: LINER [Linear Technology]

LT3501
applicaTions inForMaTion
22
0.1µF
0.22µF
Independent Start-Up
SS1
SS2
5ms/DIV
LT3501
PG1
(9a)
V
V
OUT1
OUT2
0.1µF
0.1µF
PG1
PG2
PG2
Output Sequencing
SS1
SS2
10ms/DIV
LT3501
(9d)
3.3V
1.8V
V
0.5V/DIV
V
0.5V/DIV
PG2
OUT1
OUT2
V
V
OUT1
OUT2
PG1
PG2
PG1
0.1µF
Ratiometric Start-Up
V
0.5V/DIV
V
0.5V/DIV
3.3V
1.8V
OUT1
OUT2
SS1
SS2
10ms/DIV
LT3501
PG2
PG1
(9b)
Figure 9
EXTERNAL
SOURCE
V
V
OUT1
OUT2
PG1
PG2
+
–
Controlled Power Up and Down
25k
R3
3.3V
1.8V
V
0.5V/DIV
V
0.5V/DIV
SS1
SS2
PG1
OUT1
OUT2
10ms/DIV
LT3501
SS1/2
V
V
OUT1
OUT2
PG1
PG2
(9e)
0.22µF
R2
8.08k
Absolute Start-Up
SS1
PG2
SS2
10ms/DIV
LT3501
PG1
13.7k
V
0.5V/DIV
V
0.5V/DIV
R1
OUT1
OUT2
1.8V
V
V
3.3V
OUT1
OUT2
PG1
PG2
(9c)
V
0.5V/DIV
V
0.5V/DIV
OUT1
OUT2
3.3V
1.8V
3501fd