LTC3765_15 Datasheet, PDF (7/24 Pages) Linear Technology – Active Clamp Forward Controller and Gate Driver

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