Flyback Power Transformer
ELECTRONICS INC.
EPC3168G-X & EPC3168G-X-LF
• Used in SMPS Flyback Topology
• Add “-LF” after part number for Lead Free
• Designed for use with National Semiconductor Chips
LM2585 to LM2588
• UL94V-0 Recognized Components
• UL1446 Class B Insulation System
• Very Low Core Loss
Electrical Parameters @ 25° C
PCA
Part
Number
Chipset
Xfmr
Code
V in
Pin 2-3
Voltage
(Vdc)
V out
1
V out
2
V out
3
Primary
OCL
(µH ± 10%)
@ 10 KHz,
0.1 Vrms
Current
(Amp. Max.)
Sec.
1
Sec.
2
Sec.
3
Turns
Ratio
Schematic
EPC3168G-1(-LF)
EPC3168G-2(-LF)
EPC3168G-5(-LF)
EPC3168G-6(-LF)
EPC3168G-7(-LF)
LM2587/88
T1
N
1.8
N
1:1
4-6
3.3
N
22
N
LM2587/88
T1
N
1.4
N
1:1
4-6
5.0
N
22
N
LM2587/88
T1
N
1.2
N
1:1
8-16
12.0
N
22
N
LM2587/88
T2
-12
0.3
N
1:2.5:2.5
4-6
12.0
N
22
0.3
LM2585/86
T5
12
1.8
0.25 1:.5:1.15:1.15
18-36
5.0
-12
66
0.25
LM2585/86
T6
-12
0.15
N
1:1.2:1.2
4-6
12.0
N
65
0.15
LM2585/86
T6
-12
0.6
N
1:1.2:1.2
18-36
12.0
N
65
0.6
LM2585/86
T7
N
1.4
N
1:1
4-6
3.3
N
47
N
LM2585/86
T7
N
1.0
N
1:1
4-6
5.0
N
47
N
LM2585/86
T7
N
0.8
N
1:1
8-16
12.0
N
47
N
• LM2585/86/87 Switching Frequency :
100 KHz
• LM2588 Switching Frequency :
200 KHz
•
• Storage Temperature :
-40°C to +125°C
• Operating Temperature :
0°C to +70°C •
• Note :
“N” means Not Required/No Connections
• Isolation :
750 Vrms
•
A
A
A
B
C
B
B
A
A
A
Package
Top View
1
12
Schematic A
.870
(22.10)
.100 x .059
(2.54 x 1.50)
Vin
2
11
3
10
Vout 1
.750
Max.
(19.05)
6
7
Schematic B
.150
(3.81)
.670
(17.02)
.100
(2.54)
Vin
10
Vout 1
3
2
11
9
Vout 2
8
1.00 Max.
(25.40)
.600
Max.
(15.24)
Schematic C
10
Vout 1
Notes :
1. Lead Finish
2. Peak Temperature Rating
3. Moisture Sensitive Levels
4. Weight
5. Packaging Information
(Tube)
EPC3168G-X
SnPb
225°C
(Unlimited,
≤30°C/60%RH)
EPC3168G-X-LF
Hot Tin Dip (SnCu)
245°C
(Unlimited,
≤30°C/60%RH)
11
3
Vin
2
8
4
Vout 3
5
9
Vout 2
MSL = 1
MSL = 1
TBD grams
TBD pieces/tube
TBD grams
TBD pieces/tube
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.
CSC3168G-X & -LF
Rev. 2
8/14/07
WC
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
Embedded System
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