Datasheet

6
LT1424-5
sn14245 14245fs
+
–
D1
T1
•
•
ISOLATED
V
OUT
C1
+
V
IN
V
SW
V
C
C
EXT
R
FB
R
REF
V
BG
Q4
D2
Q1
Q2 Q3
V
IN
I
I
M
I
M
I
FXD
ENABLE
1424-5 EA
FLYBACK ERROR A PLIFIER DIAGRA
WW
BLOCK DIAGRAM
W
–
+
LOAD
COMPENSATION
CURRENT
AMPLIFIER
DRIVERLOGIC
285kHz
OSCILLATOR
2.6V
REGULATOR
SHDN
FLYBACK
ERROR
AMPLIFIER
COMP
R
CCOMP
R
REF
R
OCOMP
R
FB
V
SW
R
SENSE
PGND
1424-5 BD
V
C
SGND
GND IS OMITTED FOR CLARITY
V
IN
SYNC