EPR-21 datasheet(12/32 Pages) POWERINT

Part #	EPR-21

Description	Engineering Prototype Report (EP-21) - 30 W DC-DC Converter with DPA424

PDF	32 Pages

Scroll/Zoom	100%

Manufacturer	POWERINT [Power Integrations, Inc.]

Direct Link	http://www.powerint.com

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12 / 32 page

EPR-21 – 5 V, 30 W DC-DC Converter

19-Nov-02

8 Inductor Specification

WDG #2

7 T

2 X #24 AWG

WDG #1

18 T

#32 AWG

5, 6

7, 8

Figure 6 – EP-21 Inductor, L2 Rev. 6.

8.1 Electrical Specifications

Electrical Strength

1 s, from Pins 1, 2 to Pins 5-8

1500 VDC

Creepage

Between Pins 1, 2 and Pins 5-8

N/A

Inductance

Pins 5, 6 to 7, 8, all other windings open,

measured at 100 kHz, 400 mVRMS

µH,

±10%

Resonant Frequency

N/A

Primary Leakage Inductance

N/A

8.2 Materials

Item

Description

[1]

Core: PR 14 X 8 Epcos N87, P/N B65755-J-R87 Gap for AL of 163 nH/T

[2]

Bobbin: 8 pin P1408 surface mount B&B B-096 or equivalent

[3]

Magnet Wire: #24 AWG Double Coated

[4]

Magnet Wire: #32 AWG Double Coated

[5]

Tape, Polyester, 3M #1298 or equiv. 4.5 mm wide

[6]

Varnish

Page 12 of 32

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