DC-link Automotive: MKP1849 (Customized)電動汽車電驅(qū)直流母線電容(顧客訂制品)MKP1849系列.MKP1849-可集成母線排,大大降低了寄生電感,提高了系統(tǒng)穩(wěn)定性。
上傳時間: 2013-10-13
上傳用戶:nanfeicui
AN22 details the theoretical and application aspects of the LT1088 thermal RMS/DC converter. The basic theory behind thermal RMS/DC conversion is discussed and design details of the LT1088 are presented. Circuitry for RMS/DC converters, wideband input buffers and heater protection is shown.
標(biāo)簽: 100 MHz RMS 轉(zhuǎn)換
上傳時間: 2013-10-16
上傳用戶:china97wan
The LTM4601 DC/DC μModule regulator is a completehigh power density stepdown regulator for up to 12Acontinuous (14A peak) loads. The device is housed ina small 15mm ¥ 15mm ¥ 2.8mm LGA surface mountpackage, thus the large power dissipation is a challengein some applications. This thermal application note willprovide guidelines for using the μModule regulator inambient environments with or without air fl ow. Loadcurrent derating curves are provided for several inputvoltages and output voltages versus ambient temperatureand air fl ow.
上傳時間: 2013-10-19
上傳用戶:bakdesec
什么是DC/DC 轉(zhuǎn)換器? 什么是DC(Direct Current)呢?它表示的是直流電源,諸如干電池或車載電池之類。家庭用的100V電源是交流電源(AC) 。若通過一個轉(zhuǎn)換器能將一個直流電壓(3.0V)轉(zhuǎn)換成其他的直流電壓(1.5V或5.0V),這個轉(zhuǎn)換器被稱為DC/DC轉(zhuǎn)換器或稱之為開關(guān)電源或開關(guān)調(diào)整器。 DC/DC轉(zhuǎn)換器一般由控制芯片,電感線圈,二極管,三極管,電容器構(gòu)成。 DC/DC轉(zhuǎn)換器為轉(zhuǎn)變輸入電壓后有效輸出固定電壓的電壓轉(zhuǎn)換器。DC/DC轉(zhuǎn)換器分為三類:升壓型DC/DC轉(zhuǎn)換器、降壓型DC/DC轉(zhuǎn)換器以及升降壓型DC/DC轉(zhuǎn)換器。根據(jù)需求可采用三類控制。PWM控制型效率高并具有良好的輸出電壓紋波和噪聲。PFM控制型即使長時間使用,尤其小負(fù)載時具有耗電小的優(yōu)點。PWM/PFM轉(zhuǎn)換型小負(fù)載時實行PFM控制,且在重負(fù)載時自動轉(zhuǎn)換到PWM控制。目前DC-DC轉(zhuǎn)換器廣泛應(yīng)用于手機(jī)、MP3、數(shù)碼相機(jī)、便攜式媒體播放器等產(chǎn)品中。
標(biāo)簽: DC 轉(zhuǎn)換器
上傳時間: 2014-12-24
上傳用戶:文993
When a system designer specifies a nonisolated dc/dc powermodule, considering the needed input voltage range isequally as important as considering the required performanceattributes and features. Generally, nonisolated moduleshave either a narrow or a wide input voltage range. Narrowinputmodules typically have a nominal input voltage of3.3, 5, or 12 V. For systems that operate from a tightlyregulated input bus—such as those that do not use batterybackup—a narrow-input module is often adequate sincethe input remains fairly stable.Offering greater flexibility, wide-input modules operatewithin a range of 7 to 36 V, which includes the popular12- or 24-V industrial bus. This enables a single module tobe used for generating multiple voltages. These modulesare ideal for industrial controls, HVAC systems, vehicles,medical instrumentation, and other applications that usea loosely regulated distribution bus. In addition, systemspowered by a rectifier/battery charger with lead-acidbattery backup almost always require wide-input modules.System designers who choose power supplies may wantto take a close look at the latest generation of wide-inputdc/dc modules.
標(biāo)簽: Wide-input modules offer dc
上傳時間: 2014-12-24
上傳用戶:dragonhaixm
QA03是專為需要兩組隔離電源的IGBT驅(qū)動器而設(shè)計的DC-DC模塊電源。其內(nèi)部采用了兩路獨(dú)立輸出后共接模式,可以更好的為IGBT的開通與關(guān)斷提供能量。同時具有輸出短路保護(hù)及自恢復(fù)能力。
上傳時間: 2013-11-21
上傳用戶:極客
QA02是專為需要兩組隔離電源的IGBT驅(qū)動器而設(shè)計的DC-DC模塊電源。其內(nèi)部采用了兩路獨(dú)立輸出后共接模式,可以更好的為IGBT的開通與關(guān)斷提供能量。同時具有輸出短路保護(hù)及自恢復(fù)能力。
上傳時間: 2014-01-11
上傳用戶:blans
產(chǎn)品說明 PS系列超小型隔離AC-DC開關(guān)電源模塊已生產(chǎn)銷售了9年,產(chǎn)品一直深受客戶歡迎。該系列產(chǎn)品具有體積小、重量輕、動態(tài)輸入電壓范圍寬等優(yōu)點,并且轉(zhuǎn)換效率高,性能可靠,具有輸出短路和過熱保護(hù)功能,可在板安裝。產(chǎn)品采用電膠木或金屬鋁外殼,樹脂灌封,出廠前全部經(jīng)過高溫老化并100%測試。
標(biāo)簽: AC-DC 隔離 開關(guān)電源
上傳時間: 2013-10-24
上傳用戶:a471778
說明:單排直插(SIP)封裝或雙排直插DIP(封裝),任意值電壓輸入轉(zhuǎn)換出任意值電壓輸出,精度為±2%或±3%.簡說:DC/DC定電壓隔離雙隔離(輸入/輸出隔離、兩路輸出之間也隔離,雙輸出,兩路正壓或兩路負(fù)壓及或一正一負(fù))轉(zhuǎn)換器,輸出共同一地線,瞬變響應(yīng)快,極低紋波噪聲輸出,無需任何外圍元件即可工作,腳位采用7PIN單列,14PIN雙列直插,小型封裝。應(yīng)用:便攜儀表,醫(yī)學(xué)儀表,自控裝置,防盜報警器,手持儀表,通訊設(shè)備等數(shù)字電路。
標(biāo)簽: DC-DC 模塊 電源應(yīng)用
上傳時間: 2013-10-31
上傳用戶:qq527891923
廣州致遠(yuǎn)電子有限公司近期推出了系列的工業(yè)級微功率DC-DC電源模塊,能夠廣泛應(yīng)用于低頻模擬電路,大功率IGBT驅(qū)動,純數(shù)字電路,模擬前端隔離電路,RS232/RS485/D422隔離通訊接口,CAN-BUS隔離通訊接口,運(yùn)算放大器電源和手持便攜儀表等多種場合。其全面性與成熟可靠的設(shè)計,可以解決用戶在電源和模擬前端部分設(shè)計中所遇到的較多難題,并可以節(jié)省開發(fā)時間,使用戶的產(chǎn)品更快推出市場.
標(biāo)簽: DC-DC 工業(yè)級 微功率 電源模塊
上傳時間: 2013-10-17
上傳用戶:妄想演繹師
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