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參數(shù)資料
| 型號： | CS8126YDWR16 |
| 廠商： | ZF Electronics Corporation |
| 英文描述： | 5V, 750mA Low Dropout Linear Regulator with Delayed RESET |
| 中文描述： | 5V的，七五○毫安低壓降線性穩(wěn)壓器的延遲復(fù)位 |
| 文件頁數(shù)： | 7/9頁 |
| 文件大小： | 207K |
| 代理商： | CS8126YDWR16 |
7
Application Notes: continued
Once the value of P
D(max)
is known, the maximum permis-
sible value of R
Q
JA
can be calculated:
R
Q
JA
=
(2)
The value of R
JA
can then be compared with those in
the package section of the data sheet. Those packages with
R
JA
's less than the calculated value in equation 2 will keep
the die temperature below 150C.
In some cases, none of the packages will be sufficient to
dissipate the heat generated by the IC, and an external
heatsink will be required.
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 R
Q
JA
.
R
Q
JA
= R
Q
JC
+ R
Q
CS
+ R
Q
SA
(3)
where:
R
Q
JC
= the junctionDtoDcase thermal resistance,
R
Q
CS
= the caseDtoDheatsink thermal resistance, and
R
Q
SA
= the heatsinkDtoDambient thermal resistance.
R
Q
JC
appears in the package section of the data sheet. Like
R
JA
, it is a function of package type. R
CS
and R
SA
are
functions of the package type, heatsink and the interface
between them. These values appear in heat sink data
sheets of heat sink manufacturers.
150C - T
A
P
D
Heat Sinks
V
IN
Smart
Regulator
V
OUT
I
OUT
I
IN
I
Q
Control
Features
}
Figure 1. Single output regulator with key performance parameters
labeled.
C
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| CS8126-1YT5 | 5V, 750mA Low Dropout Linear Regulator with Delayed RESET |
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| CS8127/D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:5V Linear Controller/Driver |
| CS8127IP1 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:FIBER OPTIC TRANSCEIVER |
| CS8127YD8 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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