FAN100_09 Datasheet, PDF (14/16 Pages) Fairchild Semiconductor – Primary-Side-Control PWM Controller

Typical Application Circuit (Continued)
Transformer Specification
ƒ Core: EFD-20
ƒ Bobbin: EFD-20
Primary-Side Inductance
Primary-Side Effective Leakage
Pin
3－4
3－4
Specification
Remark
1.08mH ± 5%
100kHz, 1V
35μH ± 5%.
Short one of the secondary windings
© 2009 Fairchild Semiconductor Corporation
FAN100 Rev. 1.0.2
14
www.fairchildsemi.com