LTC3545 LINER [Linear Technology], LTC3545 Datasheet - Page 18

• Manufacturer Part Number: LTC3545
• Description: Triple 800mA Synchronous Step-Down Regulator-2.25MHz
• Manufacturer: LINER [Linear Technology]

LTC3545/LTC3545-1
TYPICAL APPLICATIONS
18
2.5V TO 5.5V
V
IN
PGOOD3
E9
PGOOD2
R9
511k
E2
PGOOD1
R2
511k
E1
Figure 5. LTC3545-1 Three PGOODs and Power Sequencing
R1
511k
PGOOD3
C1
4.7μF
V
V
V
RUN1
OUT1
OUT2
OUT3
T
V
A
IN
1
2
3
4
5
6
7
8
= 25°C
3-Channel Power Sequencing
= 3.6V
SW1
PGOOD1
RUN2
PGOOD2
SW2
PGND
P
SW3
VIN
LTC3545-1
GND
400μs/DIV
17
PGOOD3
GNDA
RUN1
RUN3
V
V
V
V
FB1
FB2
FB3
IN
16
15
14
13
12
11
10
9
3545 TA06
C5
10μF
1.5μH
1.5μH
1.5μH
L1
L2
L3
20pF
20pF
20pF
C6
C7
C8
R3
100k
R4
100k
R5
165k
R6
110k
R7
133k
R8
66.5k
3545 TA05
C3
10μF
C2
10μF
C4
10μF
E3
V
E4
GND
E7
V
E6
GND
E5
V
E8
GND
OUT1
OUT2
OUT3
1.2V AT 0.8A
1.5V AT 0.8A
1.8V AT 0.8A
35451fb