PFC Boost Inductor
E L E C T R O N I C S I N C .
EPC3246-XX
• Used as (PFC) Boost Inductor with Auxiliary Winding
• Isolation Between Shield and Winding : 4.5K Vrms
• All parts have Faraday Shield (except Toroid)
• Isolation Between Winding : 1500 Vrms
• UL 94V-0 Recognized Components
• UL 1446 Class B Insulation System
* Up to 100% Maximum Duty Cycle
• Very Large Gap Ferrite
Electrical Specifications @ 25°C
Core
Shape
Package
Drawing
Package
Type
Schematic
Inductance
(µH ± 10%)
@ 100 KHz,
0.1 Vrms
Avg.
Inductor
Current
(Amp.)
Switching
Frequency
(KHz Min.)
Part
Number
Vt
Peak
Inductor
Current
(Amp.)
Max.
Power
(Watts)
(Volt µSec.
Max.)
EPC3246-1
EPC3246-2
EPC3246-3
EPC3246-4
EPC3246-5
EPC3246-6
EPC3246-7
EPC3246-8
EPC3246-9
EPC3246-10
EPC3246-11
EPC3246-12
EPC3246-13
EPC3246-14
EPC3246-15
EPC3246-16
EPC3246-17
EPC3246-18
2000
2000
2000
2000
1000
2000
1000
2000
500
70
0.58
0.58
1.58
1.58
1.58
1.58
1.58
1.58
2.58
2.58
2.58
2.58
3.58
3.58
4.58
4.58
4.58
4.58
1.16
1.16
3.16
3.16
3.16
3.16
3.16
3.16
5.15
5.15
5.15
5.15
7.15
7.15
9.15
9.15
9.15
9.15
200
200
100
100
200
100
200
100
100
100
100
100
100
100
50
EE
EE
A
B
C
D
E
E
F
F
G
G
H
H
I
Horizontal
Vertical
1
2
3
4
5
5
5
5
6
6
3
3
6
6
7
7
7
7
1900
1900
3800
3800
1900
3800
1900
3800
3800
3800
3800
3800
3800
3800
7600
3800
7600
3800
70
190
190
190
190
190
190
310
310
310
310
430
430
550
550
550
550
EE
Horizontal
Vertical
EE
Toroid
Toroid
Toroid
Toroid
EE
Horizontal
Horizontal
Vertical
Vertical
Horizontal
Horizontal
Vertical
1000
500
EE
ER
1000
500
ER
Vertical
ER
Vertical
1000
1000
500
ER
I
Vertical
ETD
ETD
ETD
ETD
J
J
K
K
Horizontal
Horizontal
Vertical
100
50
1000
500
100
Vertical
Simplified Active PFC Boost Circuit
PFC Boost Inductor
V Out
Auxiliary Wdg
(Bootstrap Supply)
Vac
PFC
Controller
Package A
Schematic 1
.787
(20.00)
.815
.590
(15.00)
(20.70)
1:0.052
1
3
8
1
4
8
20V (.15A)
7
Shield
.552
Max.
PCA
EPC3246-1
D.C.
.728
Max.
.590
(15.00)
.138
(3.50)
(14.00)
(18.50)
5
.197
(5.00)
5
385 Vdc V Out
(90% Duty Cycle)
{85-265 Vac Input}
1
4
.051 Ø
(1.30)
.063
(1.60)
.031 Ø
(.800)
.197
(5.00)
.590
Typ.
(15.00)
.590
Typ.
(15.00)
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.
CSC3246-XXa Rev. 2 8/17/05 FT
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com