FAN103 데이터 시트보기 (PDF) - Fairchild Semiconductor

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FAN103

Primary-Side-Regulation PWM Controller (PWM-PSR)

Fairchild Semiconductor 

Typical Application Circuit (Continued)

Transformer Specification

ƒ Core: EE16

ƒ Bobbin: EE16

Figure 29. Bobbin Winding Diagram

Notes:

4. When W4R’s winding is reversed winding, it must wind one layer.

5. When W2 is winding, put 1 layer tape after wind first layer.

NO

W1

W2

W3

W4R

TERMINAL

S

F

4

5

3

1

1

7

9

WIRE

Ts

2UEW 0.23*2

15

40

2UEW 0.17*1

40

37

COPPER SHIELD

1.2

TEX-E 0.6*1

9

CORE ROUNDING TAPE

INSULATION

Ts

2

1

0

2

3

3

3

BARRIER

Primary Seconds

Primary-Side Inductance

Primary-Side Effective Leakage

Pin

1－3

1－3

Specification

1.75mH ± 5%

80μH ± 5%

Remark

100kHz, 1V

Short one of the secondary windings

© 2010 Fairchild Semiconductor Corporation

FAN103 • Rev. 1.0.3

14

www.fairchildsemi.com

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