參數(shù)資料
型號(hào): TLV2704IPW
廠商: Texas Instruments, Inc.
元件分類: 比較器
英文描述: FAMILY OF NANOPOWER OPERATIONAL AMPLIFIERS AND PUSH-PULL COMPARATORS
中文描述: 家庭NANOPOWER運(yùn)算放大器和推挽比較器
文件頁(yè)數(shù): 16/23頁(yè)
文件大小: 429K
代理商: TLV2704IPW
TLV2702
TLV2704
SLOS340B
DECEMBER 2000
REVISED AUGUST 2001
16
www.ti.com
general power dissipation considerations
For a given
θ
JA
, the maximum power dissipation is shown in Figure 40 and is calculated by the following formula:
PD
TMAX
TA
JA
Where:
P
D
T
MAX
= Absolute maximum junction temperature (150
°
C)
T
A
= Free-ambient air temperature (
°
C)
θ
JA
=
θ
JC
+
θ
CA
θ
JC
= Thermal coefficient from junction to case
θ
CA
= Thermal coefficient from case to ambient air (
°
C/W)
= Maximum power dissipation of TLV270x IC (watts)
1
0.75
0.5
0
55
40
25
10 5
M
1.25
1.5
MAXIMUM POWER DISSIPATION
vs
FREE-AIR TEMPERATURE
1.75
20 35
50
0.25
TA
Free-Air Temperature
°
C
2
65 80 95 110 125
MSOP Package
Low-K Test PCB
θ
JA = 260
°
C/W
TJ = 150
°
C
PDIP Package
Low-K Test PCB
θ
JA = 104
°
C/W
SOIC Package
Low-K Test PCB
θ
JA = 176
°
C/W
NOTE A: Results are with no air flow and using JEDEC Standard Low-K test PCB.
Figure 40. Maximum Power Dissipation vs Free-Air Temperature
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