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Fixed 3.3V low dropout linear regulator for stepping a higher rail down to 3.3V
3.3V | 800mA | dropout 1.2V | max input 15V | accuracy +/-1% | 0 to 125C | TO-252 (DPAK)
Current limiting and thermal protection; needs at least 10uF on the output
Also known as: LM1117
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LM1117DT-3.3 是一款 3.3V 固定輸出的低壓差線性穩壓器,採 TO-252(DPAK)封裝,提供最高 800mA 的穩定輸出電流。在 800mA 負載下壓降僅約 1.2V,適合各類需要從較高電壓轉換至 3.3V 系統電源的應用。
此元件內建電流限制與熱關機保護,並採用精準的 Bandgap 基準,輸出精度可達 ±1%。只需在輸出端搭配至少 10µF 電容,即可獲得穩定且良好的暫態表現。適用於工控設備、伺服器電源、馬達控制模組、通訊設備與一般嵌入式電源設計。
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