Flyback Power Transformer
E L E C T R O N I C S I N C .
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
Schematic
PCA
Part
Number
Chipset
Xfmr
Code
Turns
Ratio
Voltage
(Vdc)
Primary
OCL
(µH ± 10%)
Current
(Amp. Max.)
V out
2
V out
1
V out
3
Sec.
1
Sec. Sec.
V in
Pin 2-3
@ 10 KHz,
0.1 Vrms
2
3
LM2587/88
LM2587/88
LM2587/88
LM2587/88
LM2585/86
LM2585/86
LM2585/86
LM2585/86
LM2585/86
LM2585/86
T1
T1
T1
T2
T5
T6
T6
T7
T7
T7
N
N
1.8
1.4
1.2
0.3
1.8
0.15
0.6
1.4
1.0
0.8
N
N
N
N
1:1
1:1
EPC3168G-1(-LF)
4-6
4-6
3.3
5.0
12.0
12.0
5.0
12.0
12.0
3.3
5.0
12.0
N
N
22
22
22
22
66
65
65
47
47
47
N
N
A
A
A
B
C
B
B
A
A
A
N
1:1
8-16
4-6
N
N
-12
12
-12
-12
N
N
N
1:2.5:2.5
0.25 1:.5:1.15:1.15
EPC3168G-2(-LF)
EPC3168G-5(-LF)
EPC3168G-6(-LF)
N
0.3
0.25
0.15
0.6
N
N
N
18-36
4-6
-12
N
N
N
N
N
N
1:1.2:1.2
1:1.2:1.2
1:1
1:1
1:1
18-36
4-6
N
EPC3168G-7(-LF)
N
4-6
8-16
N
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 •
Package
Schematic A
.100 x .059
.870
Top View
3
2
10
(2.54 x 1.50)
(22.10)
Vout 1
Vin
1
6
12
11
.750
Max.
(19.05)
Schematic B
7
.150
(3.81)
10
.100
(2.54)
.670
(17.02)
Vout 1
Vout 2
1.00 Max.
(25.40)
3
11
9
Vin
2
.600
Max.
(15.24)
8
Schematic C
10
11
9
Vout 1
Vout 2
Vout 3
Notes :
EPC3168G-X
EPC3168G-X-LF
Hot Tin Dip (SnCu)
245°C
1. Lead Finish
SnPb
3
2. Peak Temperature Rating
3. Moisture Sensitive Levels
225°C
Vin
MSL = 1
(Unlimited, £30°C/60%RH)
MSL = 1
(Unlimited, £30°C/60%RH)
2
8
4
4. Weight
TBD grams
TBD grams
(Tube)
TBD pieces/tube
TBD pieces/tube
5. Packaging Information
5
Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25
Product performance is limited to specified parameters. Data is subject to change without prior notice.
CSC3168G-X & -LF Rev. 2 8/14/07 WC
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com