l6590a STMicroelectronics, l6590a Datasheet - Page 17

• Manufacturer Part Number: l6590a
• Description: Fully Integrated Power Supply
• Manufacturer: STMicroelectronics

APPLICATION IDEAS
Figure 32. 15W Auxiliary SMPS for PC
Figure 33. 10W AC-DC Adapter
REFERENCES
[1] “Getting Familiar with the L6590 Family, High-voltage Fully Integrated Power Supply” (AN1261)
[2] “Offline Flyback Converters Design Methodology with the L6590 Family” (AN1262)
88 to 264 Vac
Core E20/10/6, ferrite 3C85 or N67 or equivalent
L
Primary : 130 T, 2 series windings 65T each, AWG33
Sec : 14 T, AWG26 (
Aux : 14 T, AWG33
Vin
0.5 mm gap for a primary inductance of 1.6 mH
leakage
<30 µH
100 nF
Cx
Core E20/10/6, ferrite 3C85 or N67 or equivalent
L
Primary : 200 T, 2 series windings 100T each, AWG33
Sec : 9 T, 2 x AWG23 (
Aux : 21 T, AWG33
A
Vin = 200 to 375 Vdc
leakage
0.9 mm gap for a primary inductance of 2 mH
10 nF
22 mH
C1
<50 µH
T1 specification
L
1.8 M
0.4 mm)
R2
100 nF
2A/250V
Cx
B
F1
20 k
T1 specification
R3
10 nF
C3
5
1.8 M
0.64 mm)
L6590A
R2
1
DF06M
BD1
IC1
6, 7, 8
39 k
3
R3
5
4
0.22 mm)
L6590A
1
22 µF
25 V
C2
IC1
BZW06-154
22 µF
400 V
C1
STTA106
6, 7, 8
3
D1
R1 10
D2
4
0.22 mm)
47 nF
22 µF
25 V
C3
C2
1N4148
BZW06-154
D3
2.2 nF
STTA106
C4
Y
D1
R1 10
D2
PC817
OP1
T1
47 nF
C4
1N4148
D4 STPS10L25D
C5, C6, C7
470 µF
D3
10 V
4
3
1
2
2.2 nF
T1
C5
Y
2
1
560
3
R4
PC817
TL431
OP1
470 nF
D4 STPS3L60S
IC2
C9
C6, C7
330 µF
2.43 k
16 V
240
4.7 µH
R5
R7
100 µF
L1
10V
C8
4
3
2.43 k
2
1
100
5 Vdc / 3 A
BZX79C10
R6
R4
4.7 µH
100 µF
D5
L1
16 V
C8
12 Vdc / 0.8 A
1 k
R5
L6590A
17/19