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不過現(xiàn)在的機械硬盤的主控電路并不一定需要+3.3V的供電,因為它們大都自帶有+5V轉(zhuǎn)+3.3V的電壓轉(zhuǎn)換電路,因此即便只有+12V和+5V供電也可以正常工作,必須用到+3.3V的機會其實已經(jīng)大大減少。
2018-09-28 14:56:33
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+3.3V 10A的MCU供電電路
本方案為MCU供電電路,輸入電壓為DC4.5V-5.5V,輸出電壓為3.3V,輸出電流為10A,方案元件數(shù)少,成本低,帶引腳開關(guān)功能,可有效的控制侍機能率。 【方案設(shè)計】 (1)點擊開啟設(shè)計 (2
2017-04-18 03:06:53
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3.3V—5V連接技巧與訣竅
3.3V—5V連接技巧與訣竅3.3V—5V連接技巧與訣竅3.3V—5V連接技巧與訣竅3.3V—5V連接技巧與訣竅3.3V—5V連接技巧與訣竅3.3V—5V連接技巧與訣竅3.3V—5V連接技巧與訣竅
2015-12-14 14:11:20
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3.3V DSP for Digital Motor Con
5V to 3.3V to offer higher performance at lower cost. Replacing traditional 5V digital controlcircuitry by 3.3V designs introduce no addi
2009-11-12 14:28:05
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3.3V到5v/480maT升壓DCDC變換器電路
3.3V到5v/480maT升壓DCDC變換器電路 LTC1872這一款電流模式升壓DC/DC控制器,其工作頻率550KHz、輸入電壓范圍2.5V~9.8V、負載電流高達2A。圖2 為3.3V
2009-11-01 08:49:26
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3.3V到5V/1A升壓變換器電路
3.3V到5V/1A升壓為換器電路 LTC3401和LTC3402主要特性有:高達3MHz開關(guān)頻率、97%效率、小于1V
2009-11-01 08:47:46
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MIC5156, MIC5157, MIC5158應用電路圖
*For VIN > 5V, use IRFZ44**Improves transient response to load changes
Figure 1. Simple 10A, 5V to
2009-03-18 16:10:56
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MIC5156/MIC5157/MIC5158 pdf da
The MIC5156, MIC5157, and MIC5158 Super Low-Dropout (LDO) Regulator Controllers are single IC
2009-03-18 16:09:41
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5v轉(zhuǎn)3.3v 電平轉(zhuǎn)換電路
5v轉(zhuǎn)3.3v 電平轉(zhuǎn)換電路 :下圖為MPS公司的MP2104 與之電路可以PIN對PIN的還有RT8008等芯片
2007-06-06 15:39:04
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