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TOP254PN Datasheet(PDF) 29 Page - Power Integrations, Inc.

Part No. TOP254PN
Description  Enhanced EcoSmart®, Integrated Off-Line Switcher with Advanced Feature Set and Extended Power Range
Download  48 Pages
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Maker  POWERINT [Power Integrations, Inc.]
Homepage  http://www.powerint.com
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TOP254PN Datasheet(HTML) 29 Page - Power Integrations, Inc.

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


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