Datasheet

LTC3765
7
3765fb
For more information www.linear.com/LTC3765
BLOCK DIAGRAM
+
–
+
V
CC
AG
1V
PGND
V
CC
UV
V
CC
RUN CONTROL
7.4V/7.0V
NDRV
V
IN
1.25V/1.20V
V
CC
V
CC
SGND
SGND V
CC
I
SMAG
4
PG
PGND
UV
FAULT
V
CC
2
PGND
1
I
S
+
I
S
–
3765 BD
8
7
DELAY
V
IN
6
R
CORE
5
+
–
+
150mV
OVERCURRENT
COMPARATOR
+
–
+
–
+
–
+
1V
LOGIC
RAMP
SLOPE
REPLICATOR
SOFT-START
FAULT
OSCILLATOR
SOFT-START
PWM
PWM
DECODER
TEMPERATURE
MONITOR
V
CC
UNDERVOLTAGE
LOCKOUT
LINEAR
REGULATOR
MAIN
PWM
RECTIFIER
REGULATOR SHUTDOWN
11
IN
+
15
IN
–
16
14
V
CC
3
SGND
9
SGND
17
RUN
5µA
V
IN
12
• •
• •
V
CC
V
CC
V
CC
8.5V
–
+
–
+
CHARGE
PUMP
50µA
FS/UV
5V
10
SSFLT
13