APL1117-18FC-TR ANPEC [Anpec Electronics Coropration], APL1117-18FC-TR Datasheet - Page 11

• Manufacturer Part Number: APL1117-18FC-TR
• Description: 1A Low Dropout Fast Response Positive Adjustable Regulator and Fixed 1.8V, 2.5V, 2.85V and 3.3V
• Manufacturer: ANPEC [Anpec Electronics Coropration]

APL1117
Application Information (Cont.)
Thermal Considerations (Cont.)
Copyright
Rev. B.8 - Jun., 2003
The thermal resistance for each application will be
affected by thermal interactions with other compo-
nents on the board. Some experimentation will be
necessary to determine the actual value.
The power dissipation of APL1117 is equal to :
P
Maximum junction temperature is equal to :
T
Note: T
JUNCTION
D
(J-A) vs. copper area for the SOT-223
= (V
60
55
50
45
40
35
30
JUNCTION
0
IN
= T
- V
ANPEC Electronics Corp.
AMBIENT
OUT
2
must not exceed 125°C
) x I
Top Copper Area (cm
4
+ (P
OUT
Figure 4.
D
6
x
JA
8
)
10
TA=25°C
2
)
12
package
14
11
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