Datasheet

LT3690
10
3690fa
block DiagraM
3690 BD
REFERENCE
V
IN
MONITOR
TEMPERATURE
MONITOR
SYNC
SOFT-START/TRACKING
2µA
SLEEP
OSCILLATOR
0.17MHz
TO 1.5MHz
SLOPE
COMP
2µA
C
SS
0.8V
2.5V
0.8V
0.72V
OVLO
UVLO
TSD
+
–
TSD
OVLO
UVLO
0.72V
+
–
+
–
g
m
VC CLAMP
ERROR AMP
POWER GOOD
2.5V
R2
+
–
BURST MODE
DETECT
OVLO
UVLO
TSD
R
S
Q
FF
SWITCH
CONTROL
+
–
+
–
REG
ZERO
V
IN
OVERLOAD
LS
SWITCH
HS
SWITCH
17
16
15
13
14
12
5
7
11
18
9
10
+
–
19
22
1, 2
3, 4
23, 24,
25, 26
20
21
8
6
C
VCC
C
BST
C
C
R
C
C
F
C
OUT
R
T
R1
C
IN
V
IN
GND
EN
UVLO
SYNC
RT
SS
PG
FB
GND
V
IN
V
IN
V
IN
V
OUT
CURRENT SENSE
GND
SW
SW
BST
BIAS
V
C
V
CCINT
L