Datasheet

LT3748
27
3748fb
For more information www.linear.com/LT3748
typical applications
Figure 18. ±300V Isolated Flyback Converter
EN/UVLO
TC
SS
R
FB
R
REF
V
C
GND INTV
CC
LT3748
3748 F18
R6
24.9k
V
IN
7V TO 15V
V
OUT
+
300V
8mA
V
OUT
+
300V
8mA
V
OUT
–
V
IN
T1
1:10:10
R1
357k
R2
93.1k
C1
10
µF
C5
GATE
SENSE
C2
1
µF
C7
0.1
µF
C4
2.2nF
C9
100pF
C3
4.7
µF
R4
6.04k
R3
140k
R5
10k
R7
600k
R8
600k
D1
DANGER HIGH VOLTAGE! OPERATION BY HIGH VOLTAGE TRAINED PERSONNEL ONLY
D3
50mΩ
M1
V
OUT
–
C6
C8
0.22µF
50V
D2
C5, C6: 0.1µF 600V ×2
D1, D2: CENTRAL SEMICONDUCTOR CMR1U-06M LTC
M1: FAIRCHILD FDM3622
T1: W
ÜRTH ELEKTRONIK 750311486
D3: CENTRAL SEMICONDUCTOR CMMR1U-02
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