Datasheet

LTC3863
9
3863f
For more information www.linear.com/3863
–
+
EA
(G
m
= 1.8mS)
0.8V
EN
10µA
LOGIC
CONTROL
LDO
IN
OUT
PLL
SYSTEM
Q
S R
MODE/CLOCK
DETECT
VCO
OV
0.88V
SLOPE
COMPENSATION
3.25V
GATE
CAP
SS
V
FBN
V
IN
– 8V
SENSE
V
IN
1.26V
–
+
+
PLLIN/MODE
PGND
C
CAP
MP
D1
0.5µA
UVLO
R
FREQ
SGND
FREQ
RUN
RUN
0.4µA
20µA
3863 FD
+
–
–
+
–
DRV
CLOCK
+
–
+
–
O.425V
Burst Mode
OPERATION
+
–
ITH
R
ITH
C
ITH1
L
C
SS
C
FB2
C
IN
V
IN
R
SENSE
C
OUT
V
OUT
V
FB
R
FB1
R
FB2
ICMP
+
FUNCTIONAL DIAGRAM