TOP252-262
Isolation Barrier
Y1-
Capacitor
C7
C6
Input Filter
Capacitor
R7
T1
R12
C16
R6
HS1
D5
J1
C4
+
D8
HV
-
Output
Rectifier
H52
U1
Transformer
VR1
R8
D
C8
Output Filter
Capacitor
S
V
C17
F
X
C
R22
R4
R3
L3
R11
C10
C18
D6
U4
R5
R14
VR2
C9
C19
R10
C21
R20
R9
J2
R17
R13
U2
JP2
R15
R21
DC
Out
-
+
PI-4975-022108
Figure 50a. Layout Considerations for TOPSwitch-HX Using E-Package and Operating at 66 kHz.
Isolation Barrier
Y1-
Capacitor
C7
Input Filter
Capacitor
C6
R7
T1
C16
R12
R6
HS1
D5
J1
C4
+
D8
HV
-
H52
Output
Rectifier
Output Filter
Capacitor
Transformer
VR1
U1
D
C8
S
V
C9
C17
F
X
R22
C
L3
R4
R3
R11
C10
C18
R8
R14
D6
U4
R5
R10
C19
C21
R20
VR2
R9
J2
R17
R13
U2
JP2
R15
R21
DC
-
+
Out
PI-4976-091608
Figure 50b. Layout Considerations for TOPSwitch-HX Using E-Package and Operating at 132 kHz.
30
Rev. F 01/09
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