描述;LMZ31710RVQR
LMZ31710RVQR電源模塊是一種易于使用的集成式電源解決方案,它在一個串聯的QFN封裝內部集成了一個帶有功率MOSFET的10A直流/直流轉換器,一個屏蔽式電感器和多個無源器件。此整體電源解決方案僅需三個外部組件,并省去了環路補償和磁性元件選擇過程。
此器件采用10×10×4.3mm QFN封裝,可輕松焊接到印刷電路板,實現緊湊的負載點設計。此器件可實現超過95%的效率,具有熱阻為13.3°C / W的LMZ31710RVQR提供離散負載點設計所具有的校準和特性集,非常適合為廣泛的集成電路(IC)和系統供電。先進的封裝技術可提供一個與標準QFN貼裝和測試技術。兼容的穩健耐用且可靠的電源解決方案。
特性:LMZ31710RVQR
完全集成的電源解決方案
小型初級設計
與LMZ31707和LMZ31704之間具有雙向兼容性
10mm×10mm×4.3mm封裝
效率高達95%
Eco-Mode™和輕載效率(LLE)
寬輸出電壓調節范圍為
0.6V至5.5V,基準精度為1%
支持針對更高電流的并行運行
任選分離電源軌可實現低至2.95V的
輸入電壓LMZ31710RVQR
可調節的開關頻率范圍
(200kHz至1.2MHz)
與外部時鐘同步
提供180°異相位時鐘信號
可調慢速啟動
輸出電壓排序和跟蹤
電源正常輸出
極端欠壓鎖定(UVLO)
過流和過多保護
預定義輸出啟動
工作溫度范圍:–40°C至+ 85°C
增強的散熱性能:13.3°C / W
符合EN55022 B類輻射發射標準
-集成屏蔽式電感器
利用LMZ31710并利用WEBENCH®電源設計器創建定制設計方案
制造商:Texas Instruments
產品種類:非隔離式DC/DC轉換器
RoHS: 詳細信息
產品:Non-Isolated / POL
輸出端數量:1 Output
輸入電壓(標稱值):12 V
輸入電壓(最小值):2.95 V
輸入電壓(最大值):17 V
最小工作溫度:- 40 C
最大工作溫度:+ 85 C
安裝風格:SMD/SMT
輸入電壓:2.95 V to 17 V
封裝 / 箱體:Module
封裝:Cut Tape
封裝:MouseReel
封裝:Reel
系列:LMZ31710RVQR
商標:Texas Instruments
工業:Industrial
濕度敏感性:Yes
產品類型:Non-Isolated DC-DC Converters
工廠包裝數量:500
子類別:DC-DC Converter
商標名:SIMPLE SWITCHER
以下物料均有現貨庫存:LMZ31710RVQR
STM32F101RBT6
STM32F103CBT6
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DP83849IVSX/NOPB
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LMZ31710RVQR
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2021年的顯卡市場讓DIY玩家無奈甚至痛苦,因為不論AMD及NVIDIA,兩家的顯卡價格都失控了,目前來說漲幅依然有一倍多,以往的千元卡現在買到兩三千,RTX 30系的高端卡要七八千甚至過萬。面對顯卡市場的畸形,顯卡廠商不應該做點什么嗎?這是很多玩家的呼聲,然而NVIDIA對顯卡降價這事有自己的苦衷。
在日前的瑞銀大會上,NVIDIA CFO Colette Kress談到了顯卡價格的問題,她表示NVIDIA很樂意看到市場價格恢復正常,但這不是NVIDIA能控制的。
Colette Kress解釋說,NVIDIA能控制的價格就是向AIC或者OEM合作伙伴提供的定價,但是后面還會有各種市場渠道定義市場價格。
Colette Kress稱,NVIDIA是很愿意看到顯卡價格恢復正常,與當前市場的市場情況相比,降價顯卡價格只需要在市場上提供合理的供應。
從NVIDIA的表態來看,他們也是愿意看到顯卡降價的,但是他們的實力控制不了最終價格,而要想解決這個問題,還是要增加供應才行。
至于何時恢復正常,Colette Kress也提供了時間表,預計2022年下半年半導體芯片市場的供應會恢復平衡了,大家還要再等個一年半載的。