FAN103_10 Datasheet, PDF (2/16 Pages) Fairchild Semiconductor – Primary-Side-Regulation PWM Controller (PWM-PSR)

Application Diagram
D₁
R_F
AC
Input
D₂
L₁
D₄
C₁ C₂
D₃
Internal Block Diagram
R_sn2
C_sn
D_sn
R_sn1
D_Fa
C_VDD
R₁
C_{VS R2}
R_sn Csn2
T₁
D_F
DC
C_O1 C_O2 Rd Output
3 VDD
7 N.C
8 HV
6 GND
VS 5
GATE 2
CS 1
COMR 4
RGATE
Rcs
C_CR
MOSFET
R_SENSE
Figure 2. Typical Application
© 2010 Fairchild Semiconductor Corporation
FAN103 • Rev. 1.0.3
Figure 3. Functional Block Diagram
2
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