LT3573EMSEPBF LINER [Linear Technology], LT3573EMSEPBF Datasheet - Page 6

• Manufacturer Part Number: LT3573EMSEPBF
• Description: Isolated Flyback Converter without an Opto-Coupler
• Manufacturer: LINER [Linear Technology]

LT3573
block DiagraM

V
IN
R1
R2
C3
R6
R4
C5
SHDN/UVLO
TC
R
BIAS
SS
CURRENT
REF
TC
C1
Q4
1.22V
Q3
2.5µA
V
+
–
IN
I2
20µA
A5
Q2
R
REGULATORS
FB
REFERENCE
INTERNAL
AND
1.22V
R3
FLYBACK
ERROR
+
–
AMP
g
m
I1
7µA
COMPARATOR
CURRENT
–
+
A1
S
S
MASTER
OSCILLATOR
LATCH
SHOT
ONE
R
Q
DRIVER
120mV
R
A2
A4
BIAS
V1
ILIM
–
+
+
–
R5
L1A
V
IN
+
–
Q1
N:1
T1
R
0.02
SW
SENSE
L1B
D1
GND
3573 BD
V
C
C2
V
V
R7
OUT
OUT
C4
+
–
3573fb