EPC3248G-1_11 datasheet, PDF - EEWORLD Datasheet

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EPC3248G-1_11: DescriptionPower over Ethernet (PoE/PD) Flyback Transformer; File Size142KB，2 Pages; ManufacturerPCA Electronics Inc.; Websitehttp://www.pca.com/

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EPC3248G-1_11 Overview

Power over Ethernet (PoE/PD) Flyback Transformer

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Power over Ethernet (PoE/PD)

Flyback Transformer

ELECTRONICS INC.

EPC3248G-X & EPC3248G-X-LF

• Used in SMPS DC/DC Converter as a Flyback

Transformer in PoE/Powered Devices (PD)

• Switching Frequency : 300 KHz to 400 KHz

• Add “-LF” after part number for Lead Free

• Input Voltage : 36-57 VDC

• 40 % Duty Cycle Typ. @ 48 VDC Input Voltage

• UL 94V-0 Recognized Materials

• UL 1446 Class B Insulation System

• Storage Temperature : -40°C to +125°C

• Operating Temperature : -40°C to +85°C

Electrical Specifications @ 25°C

Part

Number

EPC3248G-1

EPC3248G-2

EPC3248G-3

EPC3248G-4

EPC3248G-5

EPC3248G-6

EPC3248G-7

EPC3248G-8

EPC3248G-9

EPC3248G-10

EPC3248G-11

EPC3248G-12

EPC3248G-13

EPC3248G-14

EPC3248G-15

Chipset

DPA425

DPA423

DPA424

DPA424/5

DPA426

Class

Voltage

Current

Primary OCL

Power

Usage

(Vdc)

(Amp.)

(µH ± 10%) (µH Max.)

(Watts)

@ 300 KHz, @ 300 KHz,

0.1 Vrms

Min.

Max.

V Out Bias V Out Bias

0.44 12.95

Default

3.3

13.2

3.92

0.05

120

2.5

0.44 12.95

Default

5.0 13.33 2.59

0.05

120

2.5

0.44 12.95

Default

12.0 12.0

1.08

0.05

120

2.5

0.44

3.84

Optional

3.3

13.2

1.16

0.05

200

2.5

0.44

3.84

Optional

5.0 13.33 0.77

0.05

200

2.5

0.44

3.84

Optional

12.0 12.0

0.32

0.05

200

2.5

3.84

6.49

Optional

3.3

13.2

1.97

0.05

120

3.5

3.84

6.49

Optional

5.0

13.0

1.30

0.05

120

3.5

3.84

6.49

Optional

12.0 12.0

0.54

0.05

120

3.5

6.49 12.95

Optional

3.3

13.2

3.92

0.05

120

2.5

6.49 12.95

Optional

5.0

13.2

2.59

0.05

120

2.5

6.49 12.95

Optional

12.0 12.0

1.08

0.05

120

2.5

4(PoE+)

Reserved

3.3

13.2 12.12 0.05

4.0

Reserved

4(PoE+)

Reserved

5.0

13.2

8.0

0.05

4.0

Reserved

4(PoE+)

Reserved

12.0 12.0

3.33

0.05

4.0

Reserved

• Isolation :

Pri., Bias to Sec. ; 1500 Vrms

• Isolation :

Pri. to Bias ; 500 Vrms

•

PoE

Class

Package Schematic

Type

ER14.5

ER9.5

ER11

ER14.5

EFD20

Notes :

1. Lead Finish

2. Peak Solder Rating

3. Moisture Sensitive Levels (MSL)

EPC3248-X

SnPb

225°C

(Unlimited,

≤30°C/60%RH)

EPC3248-X-LF

Hot Dipped Sn or SnCu

260°C

(Unlimited,

≤30°C/60%RH)

Schematic 1

V In

(Pins 1-3) 2

Fb/Bias

V Out

V In

(Pins 1-3)

Schematic 2

V Out

Fb/Bias

V In

(Pins 1-3) 2

Schematic 3

V Out

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.

CSC3248G-X & -LFa

Rev. 5

8-15-11 FT

TEL: (818) 892-0761

FAX: (818) 894-5791

http://www.pca.com

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