LT1424-5 Linear Technology, LT1424-5 Datasheet - Page 6

• Manufacturer Part Number: LT1424-5
• Description: Isolated Flyback Switching Regulator with 5V Output
• Manufacturer: Linear Technology

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