AN4339 datasheet(16/27 Pages) STMICROELECTRONICS

부품명	AN4339

상세설명	BLDC motor based ceiling fan solution proposal

PDF	27 Pages

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제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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16 / 27 page

Description

AN4339

16/27

DocID025039 Rev 1

1.3.8

Transformer specification

Table 2. Transformer specification

1.3.9

Winding details

Max. output power

Max. 28 W (typ. operating power is 24 W)

Input voltage range

90 - 280 VAC

Primary inductance

1.0 ± 0.1 mH at 50 KHz

Primary side leakage inductance

< 3

H at 50 KHz

Peak primary current

1.42 A

Saturation current

1.8 A

RMS primary current

0.46 A

Peak secondary current

8.8 A

RMS secondary current

2.2 A

Minimum switching frequency

40 KHz

Core size

E25/13/7

Ferrite material

N87, EPCOS

Bobbin

12 pins horizontal

Dielectric strength

> 2.7 KV

Table 3. Winding details

Winding name

Start

Stop

No. of turns

Wire gauge

Order of windings

Np1

3 x 0.25 mm

Bottom

Naux

1 x 0.15 mm

Above Np1

Nsec

12, 11

10, 9

6 x 0.25 mm

Above Naux

Np2

3 x 0.25 mm

Topmost

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