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LTM8064是一款 58VIN、6A、恒(heng)定(ding)電(dian)(dian)(dian)(dian)壓(ya)、恒(heng)定(ding)電(dian)(dian)(dian)(dian)流 (CVCC)、降壓(ya)型 μModule® (電(dian)(dian)(dian)(dian)源模塊) 穩壓(ya)器。封(feng)裝中內(nei)置了開(kai)關(guan)控(kong)制器、電(dian)(dian)(dian)(dian)源開(kai)關(guan)、電(dian)(dian)(dian)(dian)感(gan)器和支(zhi)(zhi)持(chi)組件。LTM8064 可在(zai)一個(ge)(ge) 6V 至(zhi) 58V 的(de)輸(shu)入電(dian)(dian)(dian)(dian)壓(ya)范圍(wei)內(nei)運作，支(zhi)(zhi)持(chi) 1.2V 至(zhi) 36V 的(de)輸(shu)出電(dian)(dian)(dian)(dian)壓(ya)范圍(wei)。CVCC 操作使得 LTM8064 能夠在(zai)輸(shu)出范圍(wei)內(nei)準確地(di)(di)調節其輸(shu)出電(dian)(dian)(dian)(dian)流，在(zai)供應時可高達(da) 7A 以及(ji)在(zai)吸(xi)收時可達(da) 9.1A 。輸(shu)出電(dian)(dian)(dian)(dian)流可以由一個(ge)(ge)控(kong)制電(dian)(dian)(dian)(dian)壓(ya)、單個(ge)(ge)電(dian)(dian)(dian)(dian)阻(zu)器或一個(ge)(ge)熱敏電(dian)(dian)(dian)(dian)阻(zu)來(lai)設(she)定(ding)。如欲(yu)設(she)定(ding)開(kai)關(guan)頻率，則簡單地(di)(di)在(zai) RT 引腳和地(di)(di)之(zhi)間布(bu)設(she)一個(ge)(ge)電(dian)(dian)(dian)(dian)阻(zu)器。一個(ge)(ge)連接在(zai) FB 引腳和地(di)(di)之(zhi)間的(de)電(dian)(dian)(dian)(dian)阻(zu)器將設(she)定(ding)輸(shu)出電(dian)(dian)(dian)(dian)壓(ya)。只需大容量(liang)的(de)輸(shu)入和輸(shu)出濾波電(dian)(dian)(dian)(dian)容器即(ji)可構成完整的(de)設(she)計(ji)。

• 短路保護或準確的輸出電流限制
• 大功率 LED 驅動
• 帕爾帖 (Peltier) 驅動器
• 電機驅動
• 電池 / 超級電容器充電及電池電量平衡

優勢和特點

• 完整的降壓型開關模式電源
• CVCC：恒定電壓、恒定電流
• 兩象限：供應及吸收輸出電流
• 可通過并聯以增加輸出電流，即使采用不同的電壓電源也不例外
• 可調輸出電流在供應時可高達 7A 或在吸收時可達 9.1A
• 寬輸入電壓范圍：6V 至 58V
• 1.2V 至 36V 輸出電壓
• 可選的開關頻率：100kHz 至 1MHz
• 符合 (e1) RoHS 標準的封裝
• 可編程軟起動
• 纖巧的 (16mm x 11.9mm x 4.92mm) 表面貼裝型 BGA 封裝