Flyback Power Transformer
ELECTRONICS INC.
EPC3166-X
• Used in SMPS Flyback Topology
• Designed for use with National Semiconductor Chips
LM2585 to LM2588
• UL94V-0 Recognized Components
• UL1446 Class B Insulation System
• Very Low Core Loss
• 750 Vrms Isolation
Electrical Parameters @ 25° C
PCA
Part
Number
Chipset
Xfmr
Code
V in
Pins 1-2
Voltage
(Vdc)
V out
1
V out
2
V out
3
Primary
OCL
(µH ± 10%)
@ 10 KHz,
0.1 Vrms
Sec.
1
Current
(Amp. Max.)
Sec.
2
Sec.
3
Turns
Ratio
Schematic
EPC3166-1
EPC3166-2
EPC3166-5
EPC3166-6
EPC3166-7
LM2587/88
N
1.8
N
1:1
T1
4-6
3.3
N
22
N
LM2587/88
N
1.4
N
1:1
T1
4-6
5.0
N
22
N
LM2587/88
N
1.2
N
1:1
T1
8-16
12.0
N
22
N
LM2585/86
N
2.5
N
1:1
---
14-16
11.25
N
22
N
LM2587/88
-12
0.3
N
1:2.5:2.5
T2
4-6
12.0
N
22
0.3
LM2585/86
12
1.8
0.25
1:.5:1.15:1.15
T5
18-36
5.0
-12
66
0.25
LM2585/86
-12
0.15
N
1:1.2:1.2
T6
4-6
12.0
N
65
0.15
LM2585/86
-12
0.6
N
1:1.2:1.2
T6
18-36
12.0
N
65
0.6
LM2585/86
N
1.4
N
1:1
T7
4-6
3.3
N
47
N
LM2585/86
N
1.0
N
1:1
T7
4-6
5.0
N
47
N
LM2585/86
N
0.8
N
1:1
T7
8-16
12.0
N
47
N
LM2585/2586/2587 Switching Frequency :
100 KHz
• LM2588 Switching Frequency :
200 KHz
•
• Note :
“N” means Not Required/No Connections
•
A
A
A
A
B
C
B
B
A
A
A
Package
.787 Max.
(20.00)
White Dot
Pin # 1
PCA
EPC3166-X
D.C
Schematic A
2
Vin
1
.689 Max.
(17.50)
8
7
Vout 1
Side
.150 Min.
(3.80)
.150
(3.80)
1
4
Schematic B
7
Vout 1
2
Vin
1
8
6
Vout 2
5
Vin
1
2
Schematic C
7
Vout 1
8
6
Vout 2
5
3
Vout 3
4
.026
(.650)
.669 Max.
(17.00)
8
5
.514
(13.05)
Bottom
.201
(5.10)
.118 Max.
(3.00)
Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
Product performance is limited to specified parameters. Data is subject to change without prior notice.
CSC3166-X
Rev. 3
2/25/04 FT
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com