CS8120YDP5 ONSEMI [ON Semiconductor], CS8120YDP5 Datasheet - Page 9

• Manufacturer Part Number: CS8120YDP5
• Description: 5.0 V, 300 mA Linear Regulator with RESET and ENABLE
• Manufacturer: ONSEMI [ON Semiconductor]

V
IN
Figure 15. Single Output Regulator With Key
Performance Parameters Labeled
I
IN
REGULATOR
SMART
Control
Features
I
Q
I
OUT
http://onsemi.com
V
OUT
CS8120
9
package to improve the flow of heat away from the IC and
into the surrounding air.
outside environment will have a thermal resistance. Like
series electrical resistances, these resistances are summed to
determine the value of R
where:
R
functions of the package type, heatsink and the interface
between them. These values appear in heat sink data sheets
of heat sink manufacturers.
qJA
A heat sink effectively increases the surface area of the
Each material in the heat flow path between the IC and the
R
R
R
R
qJC
qCS
qSA
qJC
, it too is a function of package type. R
= the junction−to−case thermal resistance,
appears in the package section of the data sheet. Like
= the case−to−heatsink thermal resistance, and
= the heatsink−to−ambient thermal resistance.
R QJA + R QJC ) R QCS ) R QSA
HEAT SINKS
qJA
.
qCS
and R
qSA
are
(3)