技術(shù)規(guī)格
電源電壓() Supply Voltage (minimum) | 2.5V |
電源電壓() Supply Voltage (maximum) | 6V |
頻率() Frequency (max) | 2,250kHz |
靜態(tài)電流 Quiescent Current | 0.03mA |
參考電壓容差 Voltage Reference Tolerance | 2% |
驅(qū)動器類型 Drive Type | Internal MOSFET |
詳細(xì)描述
UD05104 是一款采用恒定頻率、電流模式架構(gòu)的 1A 高頻同步降壓 DC/DC 轉(zhuǎn)換器。它專為與小型電感器和電容器一起使用而設(shè)計,占用的 PCB 面積非常小。它包括片上電源開關(guān)和同步整流器,無需外部肖特基二極管即可實現(xiàn)高效率。
為了限度地提高輕負(fù)載效率,UD05104 僅消耗 30μA 的靜態(tài)電流,而在停機(jī)時消耗的靜態(tài)電流小于 1μA。輸出電壓可調(diào)節(jié)至低至 0.6V,并且該器件具有短路和過熱保護(hù)。
The UD05104 is a 1A high frequency synchronous step down DC/DC converter using constant frequency, current mode architecture. It's designed for use with small inductor and capacitor and uses very little pcb area. It includes on chip power switch and synchronous rectifier for high efficiency without an external schottky diode.
To maximize light load efficiency the UD05104 draws only 30μA quiescent current, and in shutdown it draws less than 1μA. The output voltage can be regulated as low as 0.6V and the device if protected from shorts and over temperature.
規(guī)格書和資料
Data Sheet
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