lt3837 Linear Technology Corporation, lt3837 Datasheet - Page 26

• Manufacturer Part Number: lt3837
• Description: Isolated No-opto Synchronous Flyback Controller
• Manufacturer: Linear Technology Corporation

LT3837
TYPICAL APPLICATION
26
9V TO
36V
V
IN
17.4k
1%
100k
1%
10μF
3.01k
1%
29.4k
1%
10k
7.5V
12k
FB
UVLO
PGDLY
t
ON
MMBT3904
100k
0.1μF
SYNC
PIN 10/11/12 TO 7/8/9, 2T OF 7MIL C
V
CC
R
CMP
20Ω
1.37k
1%
ENDLY
PIN 2 TO 4, 6T OF 4 25AWG
PIN 1 TO 3, 6T OF 4 25AWG
BAS70
9V – 36V to 3.3V at 10A Isolated Converter
PIN 5 TO 6, 7T OF 32AWG
LT3837
150k
OSC
•
6
5
47pF
T1
GND SFST
SG
SG
U
PG
FOIL
470pF
SENSE
SENSE
C
CMP
39Ω
V
T1: EFD20-3F3 (L
C
+
–
0.1μF
1/2
3/4
Si4896DY
8mΩ
20k
•
3.3nF
T1
•
P
7/8/9
10/11/12
= 5μH)
1nF
SG
330
0.1μF
PA0184
TAPE
4.7Ω
1nF
•
Si7336ADP
B0540W
•
47μF 3
2.2nF
FP2S-100-R
0.1μH
10Ω
BAT54
220μF
6TPE220MI
V
3.3V AT 10A
OUT
15Ω
10k
3837 TA05
3837fa
1μF