參數(shù)資料
型號(hào): BUF08800
英文描述: Programmable Reference Generator and 400mA VCOM Driver
中文描述: 可編程參考發(fā)電機(jī)驅(qū)動(dòng)器和400mA威科姆
文件頁(yè)數(shù): 16/23頁(yè)
文件大小: 627K
代理商: BUF08800
"#$%%$$
SBOS380A FEBRUARY 2007 REVISED MAY 2007
www.ti.com
16
Bottom View (c)
Side View (a)
DIE
DIE
End View (b)
Exposed
Thermal
Pad
Figure 19. Views of Thermally-Enhanced DCP Package
For a given
JA
, the maximum power dissipation is shown
in Figure 20, and is calculated by Equation 3:
P
D
T
MAX
T
A
JA
Where:
P
D
= maximum power dissipation (W)
T
MAX
= absolute maximum junction temperature (+125
°
C)
T
A
= ambient air temperature (
°
C)
JA
=
JC
+
CA
JC
= thermal coefficient from junction-to-case (
°
C/W)
CA
= thermal coefficient from case-to-ambient air (
°
C/W)
6
5
4
3
2
1
0
M
40
20
0
100
40
60
80
20
T
A
, FreeAir Temperature ( C)
Figure 20. Maximum Power Dissipation vs
Free-Air Temperature
(with PowerPAD soldered down)
(2)
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