Data Sheet

LT3652
9
3652fe
For more information www.linear.com/LT3652
BLOCK DIAGRAM
3652 BD
+
–
+
–
+
–
–
+
+
–
+
–
+
–
+
–
TIMER
10mΩ
35V
0.1V
OFFSET
2.3V
4.6V
RESET
ENABLE
COUNT
RESET
C/10
PRECONDITION
1.36V
0.29V
46µA
V
IN_REG
BOOST
V
IN
SW
SENSE
BAT
V
FB
NTC
V
INT
2.7V
1.3V
1V 0.15V
1.2V 3.3V 3.218V
TERMINATE
50µA
0.7V
CONTROL LOGIC
RIPPLE
COUNTER
STATUS
TIMER
OSC.
NTC
0.2V
125°C
COUNT
COUNT
OSC
1MHz
LATCH
R
S
R
S
C-EA
30mV
x2.25
10 × R
S
0.3V
V
C
T
DIE
I
TH
MODE
(TIMER OR C/10)
TERMINATE
R
QS
2.7V
UVLO
OVLO
–
+
FAULT
CHRG
STANDBY
SHDN
V-EA
+
–
+
–
+
–
+
–
STANDBY
STANDBY
+
–
+
–
+
–
+
–