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(shí)間:
2014-12-24
上傳用戶:dragonhaixm
說(shuō)明:?jiǎn)闻胖辈澹⊿IP)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(jiǎn)說(shuō):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(wú)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(bào)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(shí)間:
2013-10-31
上傳用戶:qq527891923