Datasheet

LT3574
18
3574f
±12V Isolated Flyback Converter
typical applications
SHDN/UVLO
TC
SS
SW
VC GND BIAS
LT3574
3574 TA02
R6
28.7k
R5
10k
V
IN
5V
V
OUT
+
5V
175mA
V
OUT
–
V
IN
3:1
D1
V
IN
R1
200k
R2
90.9k
C1
10
µF
C5
22
µF
T1
30
µH
3.3
µH
T1: PULSE PA2626NL OR WÜRTH ELEKTRONIK 750370040
D1: B340A
D2: PMEG6010
C5: MURATA, GRM32ER71A226K
R4
6.04k
R3
80.6k
C2
10nF
C3
1500pF
R7
59k
R8
2k
D2
C6
0.22
µF
TEST
R
ILIM
R
FB
R
REF
SHDN/UVLO
TC
SS
SW
VC GND BIAS
LT3574
3574 TA03
R6
59k
R5
10k
V
IN
5V
V
IN
2:1:1
V
IN
R1
200k
R2
90.9k
C1
10
µF
T1
43.6
µH
T1: COILTRONICS VPH1-0076-R
D1, D2: B240A
D3: PMEG6010
C5, C6: MURATA, GRM32ER71A226K
R4
6.04k
R3
118k
V
OUT1
+
12V
40mA
V
OUT1
–
D1
•
C5
22
µF
10.9µH
V
OUT2
+
V
OUT2
–
–12V
40mA
D2
C6
22
µF
10.9µH
C2
10nF
C3
0.01µF
R7
56.2k
R8
2k
D3
C6
0.22
µF
TEST
R
ILIM
R
FB
R
REF
•
Low Input Voltage 5V Isolated Flyback Converter