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CS8161 Datasheet(PDF) 9 Page - ON Semiconductor

Part No. CS8161
Description  12 V, 5.0 V Low Dropout Dual Regulator with ENABLE
Download  11 Pages
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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CS8161 Datasheet(HTML) 9 Page - ON Semiconductor

 
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CS8161
http://onsemi.com
9
Heat Sinks
A heat sink effectively increases the surface area of the
package to improve the flow of heat away from the IC and
into the surrounding air.
Each material in the heat flow path between the IC and the
outside environment will have a thermal resistance. Like
series electrical resistances, these resistances are summed to
determine the value of RqJA:
R
qJA + RqJC ) RqCS ) RqSA
(3)
where:
RqJC = the junction−to−case thermal resistance,
RqCS = the case−to−heatsink thermal resistance, and
RqSA = the heatsink−to−ambient thermal resistance.
RqJC appears in the package section of the data sheet. Like
RqJA, it too is a function of package type. RqCS and RqSA are
functions of the package type, heatsink and the interface
between them. These values appear in heat sink data sheets
of heat sink manufacturers.
MARKING DIAGRAMS
A
= Assembly Location
WL
= Wafer Lot
YY
= Year
WW
= Work Week
G
= Pb−Free Package
TO−220 5−LEAD
CS
8161
AWLYWWG
1
CS8161
AWLYWWG
1
CS
8161
AWLYWWG
1
ORDERING INFORMATION*
Device
Package
Shipping
CS8161YT5
TO−220
STRAIGHT
50 Units / Rail
CS8161YT5G
TO−220
STRAIGHT
(Pb−Free)
CS8161YTVA5
TO−220
VERTICAL
CS8161YTVA5G
TO−220
VERTICAL
(Pb−Free)
CS8161YTHA5
TO−220
HORIZONTAL
CS8161YTHA5G
TO−220
HORIZONTAL
(Pb−Free)
*Consult your local sales representative for SO−16L package option.


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