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TOP245F Folha de dados(PDF) 33 Page - Power Integrations, Inc.

Nome de Peças TOP245F
Descrição Electrónicos  TOPSwitch -GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher
PDF  52 Pages
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Fabricante Electrônico  POWERINT [Power Integrations, Inc.]
Página de início  http://www.powerint.com
Logo POWERINT - Power Integrations, Inc.

TOP245F Folha de dados(HTML) 33 Page - Power Integrations, Inc.

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background image
TOP242-250
33
G
1/02
the part-to-part variation of the R
DS(ON)
of TOPSwitch-GX
as specified in the data sheet. The margin required can
either be calculated from the tolerances or it can be
accounted for by connecting an external resistance in
series with the DRAIN pin and attached to the same
heatsink, having a resistance value that is equal to the
difference between the measured R
DS(ON)
of the device
under test and the worst case maximum specification.
Figure 49. Layout Considerations for TOPSwitch-GX using R Package.
Design Tools
Up to date information on design tools can be found at the
Power Integrations Web site: www.powerint.com
-
HV
+
- DC
Out
PI-2734-043001
T
r
a
n
s
f
o
r
m
e
r
Safety Spacing
Y1-
Capacitor
Solder Side
Component Side
Opto-
coupler
+
Output Filter Capacitors
Maximize hatched copper
areas(
) for optimum
heat sinking
TOP VIEW
Input Filter
Capacitor
R1a - 1c
PRI
PRI
SEC
BIAS
TOPSwitch-GX
S
L
C
X
D



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