Datasheet

LTC3608
9
3608fc
Functional DiagraM
0.7V
1.4V
V
RNG
–
+
–
+
–
+
–
+
–
+
I
ON
V
ON
I
CMP
0.7V
FCB EXTV
CC
SV
IN
1µA
R
ON
V
VON
I
ION
t
ON
= (10pF)
R
S Q
20k
I
REV
×
(
0.5 TO 2)
1V
SHDN
SWITCH
LOGIC
ON
FCNT
0.6V
–
+
4.7V
OV
1
240k
0.4V
I
TH
C
SS
EA
SS
0.6V
+
–
+
–
×3.3
RUN/SS
3608 FD
SGND
R1
RUN
SHDN
PGND
PGOOD
V
FB
SW
PV
IN
C
IN
BOOST
M1
M2
INTV
CC
–
+
–
+
UV
0.54V
OV
0.66V
6V
0.6V
REF
5V
REG
R2
2.4V
17
13 22 19 29
11
NC
9, 21, 24,
25, 28
27
8, 33, 41, 42,
43, 44, 45,
46, 47, 55
1, 2, 3, 4, 5, 6,
7, 48, 49, 50,
51, 52, 53
31, 32
30
34, 35, 36, 37,
38, 39, 40
10, 14, 15,
20, 26, 27, 54
16
23
1218
V
OUT
L1
C
OUT
C
VCC
+
Q1Q3
Q4Q2
0.8V
I
THB
Q6
C
B
D
B
F
1.2µA