TOP252-262
Isolation Barrier
C2
Y1-
Capacitor
C6
R4
T1
Input Filter
Capacitor
R3
R12
C10
Output
Rectifier
D1
J1
Output Filter
Capacitor
HS1
D3
+
Transformer
HV
-
D
V
U1
C7
S
X
F
L1
C
C1
JP1
C4
R10
R7
R2
R13
C5
C9
R1
U3
D2
C8
JP2
U2
J2
R3
R4
R15
R17
VR2
R12
DC
Out
-
+
PI-4751-070307
Figure 48. Layout Considerations for TOPSwitch-HX Using TOP254-258 Y-Package.
Isolation Barrier
C6
Y1-
Capacitor
C7
R7
D5
T1
Output Filter
Capacitor
Input Filter
Capacitor
R6
R12
VR1
C16
D8
HS1
J1
C4
+
Transformer
HV
-
D
S
G
C
U5
V
X
C8
C17
R20
L3
R4
R3
C9
R22
JP1
C10
D6
C21
U4
R11
R14
C18
R8
R9
R5
R21
JP2
R17
R13
U2
VR2
J2
DC
Out
-
+
PI-4977-021408
Figure 49. Layout Considerations for TOPSwitch-HX Using TOP259-261 Y-Package.
29
www.powerint.com
Rev. F 01/09