Global Mixed-mode Technology Inc.
Typical Performance Characteristics
(continued)
G1085
G1085T53(TO-263) Max. Power
Dissipation vs. PCB Top Copper
Area T
AMB
= 25°C ; Still Air
4.5
4.5
4
4
3.5
3
2.5
2
1.5
1
0.5
0
0.5
1.5
2.5
3.5
4.5
25
G1085T53(TO-263) Max. Power
Dissipation vs. TAMB (still air)
( Different PCB Top Copper Area )
Unit : in
2
A=0.5
A=1.0
A=1.5
A=2.0
A=2.5
A=3.0
A=3.5
A=4.0
A=4.5
A=5.0
Max. Dissipation Power (W)
3.5
3
2.5
2
1.5
1
0.5
0
Max. Dissipation Power (W)
35
45
PCB Top Copper Area (in
2
)
T
AMB
(°C)
55
65
75
85
Recommend Minimum Footprint
Ver: 1.2
Sep 20, 2004
TEL: 886-3-5788833
http://www.gmt.com.tw
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