Datasheet

LTC4253B
11
4253bf
block DiagraM
V
EE
1×
6.15V
1×
8× 1×
V
IN
V
EE
PWRGD3
50µA
6.15V
V
EE
120µA
V
EE
120µA
V
IN
V
IN
V
EE
V
IN
V
EE
200µA
16
OV
11
EN3
15
V
IN
V
EE
V
EE
22µA
95k
R
SS
5k
SS 6
V
IN
V
IN
V
EE
V
EE
50µA
V
IN
V
IN
V
EE
PWRGD2
50µA
2
EN2
1
V
EE
PWRGD1
50µA
3
4
V
EE
8
RESET
5
SQTIMER
DELAY
LOGIC
SQTIMER
DELAY
+
–
4V
+
–
1V
TIMER 13
+
–
4V
+
–
0.33V
+
–
UV 12
2.925V
+
–
+
–
0.5V
+
–
2.39V
+
–
–
+
V
IN
V
EE
5µA
V
IN
V
EE
5µA
5µA
+
–
2.8V
+
–
200mV
+
–
10mV
V
EE
–
+
+
–
50mV
4253b BD
CB
FCL
–
+
ACL
V
EE
SENSE7
GATE
9
DRAIN
10
SQTIMER
14