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參數(shù)資料
| 型號： | TDA9535 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 3 CHANNEL, VIDEO AMPLIFIER, PZIP11 |
| 封裝： | PLASTIC, CLIPWATT-11 |
| 文件頁數(shù)： | 15/15頁 |
| 文件大小： | 1749K |
| 代理商： | TDA9535 |
TDA9535
9/15
9 POWER DISSIPATION
The total power dissipation is the sum of the static
DC and the dynamic dissipation:
PTOT = PSTAT + PDYN.
The static DC power dissipation is approximately:
PSTAT = VDD x IDD + VCC x ICC
The dynamic dissipation is, in the worst case (1
pixel On/ 1 pixel Off pattern):
PDYN = 3 VDD x CL x VOUT(PP) x f x K
where f is the video frequency and K the ratio be-
tween the active line and the total horizontal line
duration.
Example:
for VDD = 110V, VCC = 12V,
IDD =15mA, ICC = 40mA,
VOUT =40 VPP, f = 40MHz,
CL = 8pF and K = 0.72.
We have:
PSTAT = 2.13W, PDYN = 3.04W
Therefore:
PTOT = 4.41W.
Note 4:
This worst thermal case must only be considered for
TJmax calculation. Nevertheless, during the average life
of the circuit, the conditions are closer to the white picture
conditions.
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相關代理商/技術參數(shù) |
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| TDA9536 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:7.5 NS TRIPLE HIGH VOLTAGE VIDEO AMPLIFIER |
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| TDA9556 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:7.5 NS TRIPLE-CHANNEL HIGH VOLTAGE VIDEO AMPLIFIER |
| TDA955X | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:TV signal processor-Teletext decoder with embedded m-Controller |
| TDA955XN1 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:TV signal processor-Teletext decoder with embedded m-Controller |
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