A16B-3200-0042 ADI公司的ADP5034集成了兩個高性能降壓穩(wěn)壓器（1200mA）和兩個低壓降（LDO）的穩(wěn)壓器（300mA），輸入電壓2.3V-5.5V，穩(wěn)壓器精度±3％，輸出電壓，工作頻率3MHz，采用24毫米×4毫米LFCSP封裝，主要用于處理器，ASIC，FPGA和RF芯片組電源，便攜式儀器和醫(yī)療設備以及空間尺寸設備。 ADP5034主要特性，外形圖，典型應用電路和所采用的元件以及微電源管理單元（PMU）評估板主要特性，電路圖，材料清單和元器件布局圖。
ADP5034在一個小型的24引腳4 mm×4 mm LFCSP封裝中集成了兩個高性能降壓調(diào)節(jié)器和兩個低壓降（LDO）調(diào)節(jié)器，以滿足苛刻的性能和電路板空間要求。
降壓穩(wěn)壓器的高開關頻率可實現(xiàn)纖巧的多層外部組件，并限度地減少了電路板空間。當MODE引腳設置為高電平時，降壓調(diào)節(jié)器以強制PWM操作模式。當MODE引腳設置為低電平時，當負載高于預定閾值時，降壓調(diào)節(jié)器將以PWM模式工作。當負載電流降至預定義閾值以下時，調(diào)節(jié)器以省電模式（PSM）工作，從而提高了輕負載效率。
兩個降壓器異相工作，以減少對輸入電容器的需求。ADP5034 LDO的低靜態(tài)電流，低壓差和寬輸入電壓范圍可延長便攜式設備的電池壽命。ADP5034 LDO在高達10 kHz的頻率下以較低的裕量電壓工作時，可保持大于60 dB的電源抑制性能。
ADP5034中的調(diào)節(jié)器通過專用使能引腳激活。可以在可調(diào)版本中從外部設置默認輸出電壓，或者在固定電壓版本中可以在出廠時編程為多種預設值。
ADP5034主要特性：
主輸入電壓范圍：2.3 V至5.5 V
兩個1200 mA降壓調(diào)節(jié)器和兩個300 mA LDO
24引腳，4 mm×4 mm LFCSP封裝
調(diào)節(jié)器精度：±3％
出廠可編程或外部可調(diào)VOUTx
3 MHz降壓在強制PWM和自動PWM / PSM模式下工作
BUCK1 / BUCK2：輸出電壓范圍為0.8 V至3.8 V
LDO1 / LDO2：輸出電壓范圍為0.8 V至5.2 V
LDO1 / LDO2：低輸入電源電壓為1.7 V至5.5 V
LDO1 / LDO2：高PSRR和低輸出噪聲
ADP5034應用：
處理器，ASIC，F(xiàn)PGA和RF芯片組的電源
便攜式儀器和醫(yī)療設備
A16B-3200-0042
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