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ELECTRONICS INC.
PFC Boost Inductor
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
Part Number 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
Inductance (µH ± 10%) @ 100 KHz, 0.1 Vrms 2000 2000 2000 2000 1000 2000 1000 2000 500 1000 500 1000 500 1000 1000 500 1000 500
Max. Power (Watts) 70 70 190 190 190 190 190 190 310 310 310 310 430 430 550 550 550 550
Avg. Inductor Current (Amp.) 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
Peak Inductor Current (Amp.) 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
Switching Frequency (KHz Min.) 200 200 100 100 200 100 200 100 100 100 100 100 100 100 50 100 50 100
Vt (Volt µSec. Max.) 1900 1900 3800 3800 1900 3800 1900 3800 3800 3800 3800 3800 3800 3800 7600 3800 7600 3800
Core Shape EE EE EE EE Toroid Toroid Toroid Toroid EE EE ER ER ER ER ETD ETD ETD ETD
Package Drawing A B C D E E F F G G H H I I J J K K
Package Type Horizontal Vertical Horizontal Vertical Horizontal Horizontal Vertical Vertical Horizontal Horizontal Vertical Vertical Vertical Vertical Horizontal Horizontal Vertical Vertical
Schematic
1 2 3 4 5 5 5 5 6 6 3 3 6 6 7 7 7 7
Simplified Active PFC Boost Circuit
PFC Boost Inductor V Out
Auxiliary Wdg (Bootstrap Supply)
Vac
PFC Controller
Package A
.787 (20.00) .728 Max. (18.50) .552 Max. (14.00)
1
.815 (20.70)
1
PCA EPC3246-1 D.C.
.590 (15.00)
8
Schematic 1
1 .590 (15.00) 3 1:0.052 8 20V (.15A) 7 Shield 5
.138 (3.50)
.031 Ø (.800) .590 Typ. (15.00)
.063 (1.60)
4
.197 (5.00) .197 (5.00)
4
5
.051 Ø (1.30)
385 Vdc V Out (90% Duty Cycle) {85-265 Vac Input}
.590 Typ. (15.00) 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.
CSC3246-XXa Rev. 2 8/17/05 FT
TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com
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ELECTRONICS INC. Package B
.815 (20.70)
PFC Boost Inductor
EPC3246-XX
.512 (13.00)
Mark on Top : PCA EPC3246-2 D.C.
Hole Layout
1 6
.200 (5.08)
.846 (21.50)
.051 Ø (1.30)
3
4
.025 Sq. (.640) .200 (5.08) .394 (10.00)
.394 (10.00)
Schematic 2
1 2 1:0.052 6 20V (.15A) 5 Shield 4
385 Vdc V Out (90% Duty Cycle) {85-265 Vac Input}
Package C
1.25 Max. (31.75) Pin 1 I.D.
PCA EPC3246-3 Date Code
.810 Max. (20.57) .114 (2.89) 1 3
Schematic 3
1:0.052 10 20V (.15A) 9 Shield 6
.031 Ø (.800) Bottom V.