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參數(shù)資料
| 型號： | TPS61058DRC |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | SYNCHRONOUS BOOST CONVERTER WITH DOWN MODE HIGH POWER WHITE LED DRIVER |
| 中文描述： | 同步升壓轉(zhuǎn)換器斷電模式高功率白光LED驅(qū)動 |
| 文件頁數(shù)： | 22/30頁 |
| 文件大小： | 1684K |
| 代理商： | TPS61058DRC |
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THERMAL INFORMATION
Implementation of integrated circuits in low-profile and fine-pitch surface-mount packages typically requires
special attention to power dissipation. Many system-dependent issues such as thermal coupling, airflow, added
heat sinks and convection surfaces, and the presence of other heat-generating components affect the
power-dissipation limits of a given component.
PD(MAX)
TJ(MAX)
TA
RJA
125
°
C
48.7
°
C
W
85
°
C
820 mW
(19)
TPS61058
TPS61059
SLVS572B–APRIL 2005–REVISED DECEMBER 2005
Three basic approaches for enhancing thermal performance are listed below.
Improving the power dissipation capability of the PCB design
Improving the thermal coupling of the component to the PCB
Introducing airflow in the system
The maximum recommended junction temperature (T
J
) of the TPS61058/9 devices is 125
°
C. The thermal
resistance of the 10-pin QFN 3 x 3 package (DRC) is R
θ
= 48.7
°
C/W, if the PowerPAD is soldered. Specified
regulator operation is assured to a maximum ambient temperature T
A
of 85
°
C. Therefore, the maximum power
dissipation is about 820 mW. More power can be dissipated if the maximum ambient temperature of the
application is lower.
22
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS61058DRCR | 功能描述:LED照明驅(qū)動器 Hi-Power Single Cell White LED Driver RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| TPS61058DRCR | 制造商:Texas Instruments 功能描述:IC LED DRIVER PHOTO FLASH 10-SON |
| TPS61058DRCRG4 | 功能描述:LED照明驅(qū)動器 Hi-Power Single Cell White LED Driver RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| TPS61059 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:SYNCHRONOUS BOOST CONVERTER WITH DOWN MODE HIGH POWER WHITE LED DRIVER |
| TPS61059DRC | 制造商:TI 制造商全稱:Texas Instruments 功能描述:SYNCHRONOUS BOOST CONVERTER WITH DOWN MODE HIGH POWER WHITE LED DRIVER |
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