LT3825EFE-PBF LINER [Linear Technology], LT3825EFE-PBF Datasheet - Page 9
![no-image](/images/no-image-200.jpg)
LT3825EFE-PBF
Manufacturer Part Number
LT3825EFE-PBF
Description
Isolated No-Opto Synchronous Flyback Controller with Wide Input Supply Range
Manufacturer
LINER [Linear Technology]
Datasheet
1.LT3825EFE-PBF.pdf
(32 pages)
- Current page: 9 of 32
- Download datasheet (351Kb)
FLYBACK FEEDBACK AMPLIFIER
TIMING DIAGRAM
R1
R2
8
FB
–
MOSFET DRAIN
PRIMARY SIDE
PG VOLTAGE
SG VOLTAGE
1V
+
VOLTAGE
ENABLE
COLLAPSE
DETECT
LT3825 FEEDBACK AMP
1.25V
V
FB
–
+
R
S
Q
t
ON(MIN)
V
IN
V
FLBK
V
C
ENABLE
DELAY
9
3825 FFA
C
VC
AMPLIFIER
FEEDBACK
MIN ENABLE
ENABLED
V
FLBK
MP
PRIMARY
FLYBACK
V
IN
•
•
T1
•
PG DELAY
SECONDARY
0.8 • V
MS
FLBK
3825 TD
C
OUT
ISOLATED
OUTPUT
LT3825
3825fa
9
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