lt3501efe-trpbf Linear Technology Corporation, lt3501efe-trpbf Datasheet - Page 21

• Manufacturer Part Number: lt3501efe-trpbf
• Description: Monolithic Dual Tracking 3a Step-down Switching Regulator
• Manufacturer: Linear Technology Corporation

APPLICATIONS INFORMATION
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)
LT3501
21
V
0.5V/DIV
V
0.5V/DIV
OUT1
OUT2
3.3V
1.8V
3501fb