參數(shù)資料
型號： TMDS442PNPR
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP128
封裝： PLASTIC, TQFP-128
文件頁數(shù)： 31/45頁
文件大小： 1977K
代理商： TMDS442PNPR
www.ti.com
Thermal Dissipation
SLLS757A – AUGUST 2006 – REVISED MARCH 2007
High-K board – It is always recommended to solder the PowerPAD onto the thermal land. A thermal land is the
area of solder-tinned-copper underneath the PowerPAD package. Thermal simulation shows the
θJA of the
TMDS442 is 23.2
°C/W on a high-K board with a 4 x 4 thermal via array, or is 29.4°C/W under the same condition
without a via array. The maximum junction temperature is 103
°C with via arrays and 112°C without via arrays
when the maximum power dissipation from the device is 1.43W. The maximum recommended junction
temperature is 125
°C, allowing the TMDS442 to operate over the full temperature range (0°C - 70°C) when the
PowerPAD is soldered onto the thermal land.
Low-K board – Simulation also shows the
θJA of the TMDS442 is 46.9
°C/W on a low-K board with the
PowerPAD soldered and no thermal vias. To ensure the maximum junction temperature does not exceed 125
°C
with a worst case power dissipation from the device of 1.43W, the ambient temperature needs to be lower than
58
°C, when the device is placed on a low-K board.
A general PCB design guide to PowerPAD package is provided in slma002 - PowerPAD Thermally Enhanced
Package.
Copyright 2006–2007, Texas Instruments Incorporated
37
Product Folder Link(s): TMDS442
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TMDS442PNPRG4 功能描述:視頻開關(guān) IC 4-to-2 DVI/HDMI Sw Pwr I/O Exp RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關(guān)閉時間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel
TMDS461 制造商:TI 制造商全稱:Texas Instruments 功能描述:1080p a?? Deep Color 4-to-1 HDMI/DVI Switch with Adaptive Equalization
TMDS461PZT 功能描述:視頻開關(guān) IC 4 to 1 HDMI Switch RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關(guān)閉時間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel
TMDS461PZTR 功能描述:視頻開關(guān) IC 4 to 1 HDMI Switch RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關(guān)閉時間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel
TMDS570LS12HDK 功能描述:TMS570LS Hercules? MCU 32-Bit ARM? Cortex?-R4F Embedded Evaluation Board 制造商:texas instruments 系列:Hercules? 零件狀態(tài):有效 板類型:評估平臺 類型:MCU 32-位 核心處理器:ARM? Cortex?-R4F 操作系統(tǒng):- 平臺:- 配套使用產(chǎn)品/相關(guān)產(chǎn)品:TMS570LS 安裝類型:固定 內(nèi)容:板，電纜，配件 標(biāo)準(zhǔn)包裝:1
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