Datasheet

LTC3780
26
3780ff
For more information www.linear.com/LTC3780
applicaTions inForMaTion
LTC3780
D
A
C
F
C
OUT
V
OUT
V
IN
f
IN
C
C1
C
C2
C
SS
C
IN
3780 F11
C
A
V
PULLUP
C
B
B
D
C
L
D1
A
C
VCC
R
SENSE
D
B
R
IN
PGOOD
SS
SENSE
+
BOOST1
TG1
SW1
V
IN
EXTV
CC
INTV
CC
BG1
PGND
BG2
SW2
TG2
BOOST2
1
2
3
I
TH
V
OSENSE
SGND
RUN
FCB
PLLFLTR
PLLIN
STBYMD
5
6
7
8
9
10
11
12
SENSE
–
4
R R
C
24
23
22
21
20
19
18
17
16
15
14
13
R1
R2
R
C
R
PU
D2
Figure 11. LTC3780 Layout Diagram
1 2 3 4 5 6 7 8 9
10 11 12
24 23 22 21 20 19 18 17 16 15 14 13
SGND
PGND
R
SENSE
C
RR
3780 F12
Figure 12. Sense Lines Layout