High Efficiency Boost Charge Pump Regulator

DESCRIPTION The SP6681 is a charge pump ideal for converting a +3.6V Li-Ion battery input to a +5.0V regulated output. An input voltage range of +2.7V to +5.5V is converted to a regulated output of 5.0V. The SP6681 device will operate at three different switching frequencies corresponding to thre

文件：125.91 Kbytes 頁數(shù)：10 Pages

SIPEX

六級能效快充

SP6681是一款高集成、高性能電流型PWM控制器，具有低功耗、寬電源電壓特點(diǎn)，適合應(yīng)用在輸出范圍寬的PD充電器方案。\n\n該控制器同時(shí)也是一款兼容低成本、高性價(jià)比的離線反激式電路，在滿載輸出時(shí)，IC在固定頻率模式下工作，當(dāng)負(fù)載減輕時(shí)，IC在谷底導(dǎo)通的綠色模式下工作，以此來提高電源轉(zhuǎn)換效率，當(dāng)負(fù)載進(jìn)一步減輕時(shí)，IC 工作在跳頻模式，使待機(jī)功耗最小化。該控制電路在整個負(fù)載范圍內(nèi)都有比較高的轉(zhuǎn)換效率。\n\n????????SP6681提供了完整的保護(hù)功能，包括逐周期過流保護(hù)（OCP），過載保護(hù)（OLP），外部過溫保護(hù)（OTP），輸出短路保護(hù)（SCP），輸出過壓和VDD過壓保護(hù)。IC內(nèi)部頻率轉(zhuǎn)換 ? 多種工作模式：\n125KHz最大頻率模式@ Peak Load，\n65KHz或45KHz固定頻率模式@Full Load，\n谷底導(dǎo)通開關(guān)@Green mode，\n跳頻模式@Light Load & No Load\n? 檢測輸出電壓實(shí)現(xiàn)自適應(yīng)環(huán)路增益補(bǔ)償\n? 超低工作電流\n? 超寬VDD電壓范圍\n? 全線電壓內(nèi)置OCP補(bǔ)償\n? 跳頻模式控制提高效率和降低待機(jī)功耗\n? 軟啟動降低MOSFET Vds應(yīng)力\n? 抖頻改善EMI\n? 無噪聲工作;

Si-Power

硅動力

High Efficiency Boost Charge Pump Regulator

DESCRIPTION The SP6681 is a charge pump ideal for converting a +3.6V Li-Ion battery input to a +5.0V regulated output. An input voltage range of +2.7V to +5.5V is converted to a regulated output of 5.0V. The SP6681 device will operate at three different switching frequencies corresponding to thre

文件：125.91 Kbytes 頁數(shù)：10 Pages

SIPEX

High Efficiency Boost Charge Pump Regulator

DESCRIPTION The SP6681 is a charge pump ideal for converting a +3.6V Li-Ion battery input to a +5.0V regulated output. An input voltage range of +2.7V to +5.5V is converted to a regulated output of 5.0V. The SP6681 device will operate at three different switching frequencies corresponding to thre

文件：125.91 Kbytes 頁數(shù)：10 Pages

SIPEX

High Efficiency Boost Charge Pump Regulator

DESCRIPTION The SP6681 is a charge pump ideal for converting a +3.6V Li-Ion battery input to a +5.0V regulated output. An input voltage range of +2.7V to +5.5V is converted to a regulated output of 5.0V. The SP6681 device will operate at three different switching frequencies corresponding to thre

文件：125.91 Kbytes 頁數(shù)：10 Pages

SIPEX