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LTM8064是一(yi)(yi)款 58VIN、6A、恒(heng)定(ding)(ding)電(dian)(dian)(dian)(dian)(dian)壓(ya)、恒(heng)定(ding)(ding)電(dian)(dian)(dian)(dian)(dian)流(liu) (CVCC)、降壓(ya)型 μModule® (電(dian)(dian)(dian)(dian)(dian)源(yuan)模塊(kuai)) 穩壓(ya)器(qi)(qi)。封裝中(zhong)內置了開關(guan)控(kong)制器(qi)(qi)、電(dian)(dian)(dian)(dian)(dian)源(yuan)開關(guan)、電(dian)(dian)(dian)(dian)(dian)感器(qi)(qi)和支持組件。LTM8064 可(ke)(ke)在一(yi)(yi)個(ge)(ge) 6V 至(zhi) 58V 的(de)輸入(ru)電(dian)(dian)(dian)(dian)(dian)壓(ya)范圍(wei)內運作(zuo)，支持 1.2V 至(zhi) 36V 的(de)輸出電(dian)(dian)(dian)(dian)(dian)壓(ya)范圍(wei)。CVCC 操作(zuo)使得 LTM8064 能夠在輸出范圍(wei)內準確地調節其輸出電(dian)(dian)(dian)(dian)(dian)流(liu)，在供應時可(ke)(ke)高達(da) 7A 以及在吸收時可(ke)(ke)達(da) 9.1A 。輸出電(dian)(dian)(dian)(dian)(dian)流(liu)可(ke)(ke)以由一(yi)(yi)個(ge)(ge)控(kong)制電(dian)(dian)(dian)(dian)(dian)壓(ya)、單個(ge)(ge)電(dian)(dian)(dian)(dian)(dian)阻器(qi)(qi)或一(yi)(yi)個(ge)(ge)熱敏電(dian)(dian)(dian)(dian)(dian)阻來設(she)定(ding)(ding)。如(ru)欲設(she)定(ding)(ding)開關(guan)頻(pin)率(lv)，則簡單地在 RT 引腳(jiao)和地之(zhi)間(jian)布設(she)一(yi)(yi)個(ge)(ge)電(dian)(dian)(dian)(dian)(dian)阻器(qi)(qi)。一(yi)(yi)個(ge)(ge)連(lian)接在 FB 引腳(jiao)和地之(zhi)間(jian)的(de)電(dian)(dian)(dian)(dian)(dian)阻器(qi)(qi)將(jiang)設(she)定(ding)(ding)輸出電(dian)(dian)(dian)(dian)(dian)壓(ya)。只需大(da)容(rong)量(liang)的(de)輸入(ru)和輸出濾波電(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)(qi)即可(ke)(ke)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