
LT1158
7
1158fb
BLOCK DIAGRAM
–
+
–
+
V
+
V
+
1
V
+
LOGIC
INPUT
–
+
2
BIAS
GEN
4
3
2.7V
1.2V
7.5V
5
6
7
GND
INPUT
1.4V
S
R
Q
Q
7.5V
16
CHG
PUMP
–
+
T
14
13
12
11
10
110mV
9
–
+
8
B GATE FB
B
1.5V
15V
B GATE DR
–
+
R
1-SHOT
1-SHOT
R
O
2.6V
S
1.75V
BOOST
T GATE DR
T GATE FB
T SOURCE
SENSE
+
SENSE
–
FAULT
ENABLE
BIAS
BOOST DR
V
+
1158 FD
25μA
V
+
15V
15