Block Diagram - Linear Technology LT8302 Operation

42vin micropower no-opto isolated flyback converter with 65v/3.6a switch
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LT8302

block DiagraM

V
IN
INTV
CC
2
LDO
C
INTVCC
R
EN1
EN/UVLO
1
R
EN2
M4
8
C
IN
R
FB
3
6
V
R
IN
FB
1:4
M3
M2
25µA
1.214V
g
+
1V
A1
2.5µA
PTAT
VOLTAGE
R
REF
7
R
TC
R
REF
For more information
BOUNDARY
DETECTOR
OSCILLATOR
m
A3
+
TC
8
www.linear.com/LT8302
L1A
V
IN
START-UP ,
REFERENCE,
CONTROL
INTV
CC
S
R
Q
DRIVER
+
A2
R
SENSE
GND
4, EXPOSED PAD PIN 9
D
OUT
T1
+
N:1
V
OUT
L1B
C
OUT
V
OUT
5
SW
M1
8302 BD
8302fb

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