LT1425CS Linear Technology, LT1425CS Datasheet - Page 6

• Manufacturer Part Number: LT1425CS
• Description: IC SW REG ISOLATED FLYBCK 16SOIC
• Manufacturer: Linear Technology
• Type: Flybackr

Specifications of LT1425CS

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Current - Output: 200mA
• Frequency - Switching: 285kHz
• Voltage - Input: 2.8 ~ 20 V
• Operating Temperature: 0°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Power - Output: 6W
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Output: -

BLOCK
FLYBACK ERROR A PLIFIER DIAGRA
LT1425
6
SHDN
SYNC
DIAGRAM
V
IN
OSCILLATOR
REGULATOR
W
285kHz
2.6V
V
IN
D2
W
Q1
R
R
SGND
R
R
FB
REF
FB
REF
Q2 Q3
GND IS OMITTED FOR CLARITY
I
V
IN
LOGIC
COMP
V
SW
Q4
V
BG
•
T1
I
M
•
I
M
D1
W
+
I
FXD
AMPLIFIER
V
FLYBACK
ERROR
C1
C
V
COMPENSATION
C
LOAD
C
EXT
R
ISOLATED
REF
V
OUT
+
–
R
DRIVER
OC0MP
AMPLIFIER
CURRENT
ENABLE
R
CCOMP
1425 EA
+
–
R
FB
R
PGND
V
SENSE
1425 BD
SW