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參數(shù)資料
| 型號： | HIP6200CB |
| 廠商： | INTERSIL CORP |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | Transient Voltage Regulator DeCAPitator⑩ |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| 封裝： | PLASTIC, MS-012-AA, SOIC-8 |
| 文件頁數(shù)： | 8/9頁 |
| 文件大?。?/td> | 87K |
| 代理商： | HIP6200CB |
2-448
In actual systems, the load transient will most likely be of
varying frequency and step size. The power dissipation
of the HIP6200/1 becomes even more difficult to estimate
analytically.
HIP6200 Temperature Rise
The HIP6200/1 junction temperature can be estimated
simply by:
where:
Θ
JA
is the thermal resistance from junction to ambient.
Example:
HIP6200/1 Junction Temperature Calculation
T
AMBIENT
= 70
o
C
P
DISS
= 0.2W
Θ
JA
= 100
o
C/W
T
HIP6200
= 70
o
C + (0.2 x 100) = 90
o
C
In a similar fashion, one could estimate the maximum
allowable power dissipation for given maximum ambient and
transient loading and determine the boundary of maximum
transient frequency.
Example
Maximum Transient Frequency Calculation
T
AMBIENT
= 70
o
C
T
HIP6200
= 110
o
C max
Θ
JA
= 80
o
C/W (this number is dependent upon airflow and
the amount of pc board trace connected to HIP6200
Max P
DISS
= (110
o
C - 70
o
C)/(80
o
C/W) = 0.5W
From Figures 4 and 5, the estimated maximum transient
frequency is obtained for any of the seven cases shown. For
instance, from Figure 4, the maximum transient frequency is
about 4kHz for the 8A transient step and the conditions
stipulated.
FIGURE 5. ESTIMATED HIP6200, HIP6201 POWER
DISSIPATION vs CONVERTER RESPONSE TIME
TRANSIENT FREQUENCY (Hz)
10
2
10
3
10
4
P
0.1
0.2
0.3
0.4
0.5
0.6
T
R1
= 2
μ
s, T
R2
= 10
μ
s
T
R1
= 5
μ
s, T
R2
= 20
μ
s
T
R1
= 10
μ
s, T
R2
= 30
μ
s
T
R1
= 15
μ
s, T
R2
= 40
μ
s
T
HIP6200
T
AMBIENT
P
DISS
Θ
JA
(
)
+
=
(EQ. 8)
HIP6200, HIP6201
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HIP6200CB WAF | 制造商:Harris Corporation 功能描述: |
| HIP6200CB-T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Transient-Protection Circuit |
| HIP6201 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Transient Voltage Regulator DeCAPitator⑩ |
| HIP6201CB | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| HIP6201CB WAF | 制造商:Harris Corporation 功能描述: |
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