FAN7930B 데이터 시트보기 (PDF) - Fairchild Semiconductor

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FAN7930B

Critical Conduction Mode PFC Controller

Fairchild Semiconductor 

2. Transformer

Figure 45. Transformer Schematic Diagram of FAN7930B

3. Winding Specification

Position

No

Pin (S → F)

Wire

Turns

Winding

Method

Bottom

Top

Np

9, 10 → 7, 8

0.1φ×50

49 Solenoid Winding

Insulation: Polyester Tape t = 0.025mm, 3 Layers

NAUX

2→4

0.3φ

6

Solenoid Winding

Insulation: Polyester Tape t = 0.025mm, 4 Layers

Barrier Tape

TOP BOT Ts

1

4. Electrical Characteristics

Pin

Inductance

9, 10 → 7, 8

Specification

230μH ± 7%

Remark

100kHz, 1V

5. Core & Bobbin

Core: EER3124, Samhwa (PL-7) (Ae=97.9mm2)

Bobbin: EER3124

© 2010 Fairchild Semiconductor Corporation

FAN7930B • Rev. 1.0.2

19

www.fairchildsemi.com

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