Dual-Channel Synchronous DC/DC Step-Down Controller with 5V/3.3V LDOs

Features Support Connected Standby Mode for Ultrabook CCRCOT Control with 100ns Load Step Response PWM Maximum Duty Ratio > 98 5V to 25V Input Voltage Range Dual Adjustable Output : ? CH1 : 2V to 5.5V ? CH2 : 2V to 4V 5V/3.3V LDOs with 100mA Output Current 1 Accuracy on 3.3V LDO Output O

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絲印：3J；Package：WQFN-20L；Dual-Channel Synchronous DC/DC Step-Down Controller with 5V/3.3V LDOs

Features Support Connected Standby Mode for Ultrabook CCRCOT Control with 100ns Load Step Response PWM Maximum Duty Ratio > 98 5V to 25V Input Voltage Range Dual Adjustable Output : ? CH1 : 2V to 5.5V ? CH2 : 2V to 4V 5V/3.3V LDOs with 100mA Output Current 1 Accuracy on 3.3V LDO Output O

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含 5V/3.3V LDO 的雙通道同步 Buck 控制器

RT6585A/B是雙通道Buck控制器，用于為電池供電的系統(tǒng)生成穩(wěn)定的電壓。其中包含兩組輸出電壓 2V~5.5V 可調(diào)的 PWM 控制器和兩組固定 5V/3.3V 輸出的線性穩(wěn)壓器，每組線性穩(wěn)壓器可輸出最大 100mA 的電流，3.3V 線性穩(wěn)壓器在輸出電流低于 35mA 時(shí)的穩(wěn)壓精度可達(dá) 1%。它還包含了一個(gè)可用于外部電荷泵電路的振蕩器輸出，具有集成化的上電時(shí)序控制功能、內(nèi)部軟起動(dòng)功能和防止關(guān)機(jī)以后出現(xiàn)負(fù)壓的輸出軟放電功能。由于采用固定電流漣波的 PWM 控制技術(shù)，它在工作時(shí)無(wú)需使用電流檢測(cè)電阻，對(duì)付再瞬變具有 100ns 的響應(yīng)速度。為了獲得最高的轉(zhuǎn)換效率，RT6585A/B在輕 ? 支持輕薄型筆記本電腦的連接待機(jī)模式\n? PWM 最大責(zé)任周期 > 98%\n? 雙信道可調(diào)節(jié)輸出:?CH1:2V~5.5V ?CH2:2V~4V\n? 3.3V LDO 輸出精度達(dá)1%\n? 內(nèi)部頻率設(shè)定：?400kHz/475kHz(CH1/CH2)\n? 4700ppm/°C RDS(ON) 電流檢測(cè)\n? 內(nèi)建 OVP/UVP/OCP/OTP\n? Power Good 指示\n? 符合 RoHS 規(guī)范不含鹵素;

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Dual-Channel Synchronous DC/DC Step-Down Controller with 5V/3.3V LDOs

Features Support Connected Standby Mode for Ultrabook CCRCOT Control with 100ns Load Step Response PWM Maximum Duty Ratio > 98 5V to 25V Input Voltage Range Dual Adjustable Output : ? CH1 : 2V to 5.5V ? CH2 : 2V to 4V 5V/3.3V LDOs with 100mA Output Current 1 Accuracy on 3.3V LDO Output O

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Dual-Channel Synchronous DC/DC Step-Down Controller with 5V/3.3V LDOs

Features Support Connected Standby Mode for Ultrabook CCRCOT Control with 100ns Load Step Response PWM Maximum Duty Ratio > 98 5V to 25V Input Voltage Range Dual Adjustable Output : ? CH1 : 2V to 5.5V ? CH2 : 2V to 4V 5V/3.3V LDOs with 100mA Output Current 1 Accuracy on 3.3V LDO Output O

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Dual-Channel Synchronous DC-DC Step-Down Controller with 5V/3.3V LDOs

General Description The RT6585C is a dual-channel step-down, controller generating supply voltages for battery-powered systems. It includes two Pulse-Width Modulation (PWM) controllers adjustable from 2V to 5.5V, and two fixed 5V/3.3V linear regulators. Each linear regulator provides up to 1

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