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EPC3577G-LF_15 Datasheet, PDF (1/1 Pages) PCA ELECTRONICS INC. – Forward Transformer
Forward Transformer
ELECTRONICS INC.
EPC3577G-LF
• 90 WPoE Synchronous Forward Transformer
• Designed to work with LTC3725
• Lead free
• Class B Insulation System
• Switching Frequency: 200 KHz
• Duty Cycle: 65% Max.
• Switching Ipeak: 7A
• Operating Temperature: -40°C to +125°C
• Storage Temperature: -40°C to +125°C
Electrical Parameters @ 25°C
Inductance
(µH±10%)
Leakage Inductance Interwinding Capacitance
(µH Max.)
(pF Max.)
DCR
(mΩ Max.)
Turns Ratio
Hipot
(Vrms)
@100 KHz,1.0Vrms @100 KHz, 0.1Vrms @100 KHz, 0.1Vrms
60Hz, 5 secs
180
Pins 1,2 - 3,4
0.45
Pins 1, 2 - 3, 4 with
Aux. & Sec. shorted
180
Pri. - Aux. & Sec
20
200
10
1.375:0.875:1 1500
1500
Pins 1,2 - 3,4 Pins 5-6
Pins 7, 8,9
-10, 11,12
Pri.: Aux.: Sec
Wdgs. to
Core
Pri. & Aux.
to Sec.
1
0.591
(15.00)
Package
0.906 Max.
(23.0)
0.028
(0.700)
12
0.830
(21.08)
6
0.118
(3.00)
0.125
(3.175)
7
Component Outline
1.20 x 0.906
(30.48 x 23.00)
0.118
(3.00)
PCB Layout
1.150
(29.21)
0.065
(1.65)
1
2
Primary
Vin: 33V - 72V
3
4
5
Aux.
10V (50mA)
6
Schematic
12
11
10
Secondary
9 12V (7.5A)
8
7
Notes
1. Lead Finish
2. Peak Solder Rating
3. Weight
4. Packaging Information
(Tray)
EPC3577G-LF
Pb-Free
260°C
14.6 grams
TBD
0°-8°
0.047
(1.20)
1.140 Max.
(28.86)
0.018
(0.450)
0.453 Max.
(11.50)
0.010
(0.25)
0.004 Max.
(0.100)
12 Surfaces
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
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.
CSC3577G-LF Rev. - 01/22/14
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com