副邊控制六級能效恒壓系列產(chǎn)品

SP6650A是一顆高性能、多工作模式的PWM控制芯片。芯片可以工作在跳頻及綠色模式，以此來減小空載和輕載時的損耗，也可以工作在QR工作模式及CCM工作模式，提高整機(jī)的工作效率。SP6650A在啟動和工作時只需要很小的電流，可以在啟動電路中使用一個很大的電阻，以此來進(jìn)一步減小待機(jī)時的功耗。SP6650A內(nèi)置多種保護(hù)，包括：輸入電壓過低保護(hù)（Brown-out），輸出電壓短路保護(hù)，VDD過壓保護(hù)（OVP），VDD過壓箝位，VDD欠壓保護(hù)（UVLO），過溫保護(hù)（OTP）等。 ? 230Vac輸入待機(jī)功耗小于75mW\n? 多種工作模式\nCCM@重載\nQR@中載\nGreen Mode@輕載\nBurst Mode@空載\n? 無噪聲工作\n? 固定65KHz開關(guān)頻率\n? 內(nèi)置軟啟動功能\n? 低啟動電流，低工作電流\n? 輸入電壓過低檢測（Brown-out）功能\n? 過壓保護(hù)（OVP），欠壓保護(hù)（UVLO），VDD電壓箝位\n? 過溫保護(hù)（OTP）\n? SOT23-6封裝;

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Evaluation Board Manual

DESCRIPTION The SP6650 Evaluation Board is designed to help the user evaluate the performance of the SP6650 for use as a single Li-Ion battery input to +5V output DC-DC Converter. The SP6650 operates from 2.7V to 6.5V input, with the highest efficiency in the range 3.0V to 4.2V where the Li-Ion b

文件：61 Kbytes 頁數(shù)：6 Pages

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Evaluation Board Manual

DESCRIPTION The SP6650 Evaluation Board is designed to help the user evaluate the performance of the SP6650 for use as a single Li-Ion battery input to +5V output DC-DC Converter. The SP6650 operates from 2.7V to 6.5V input, with the highest efficiency in the range 3.0V to 4.2V where the Li-Ion b

文件：61 Kbytes 頁數(shù)：6 Pages

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High Efficiency 600mA Synchronous Buck Regulator Ideal for portable designs powered with Li Ion battery

DESCRIPTION The SP6650 is ideal for portable applications that use a Li-Ion or 3 to 4 cell alkaline/NiCd/NiMH input. The SP6650 extends battery life with it’s unique control loop scheme (patent pending), which maintains high efficiency levels (> than 90) over a wide range of output currents. Feat

文件：256.32 Kbytes 頁數(shù)：17 Pages

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