電視系統(tǒng)電源管理方案

RT5090F內(nèi)含1個(gè)Buck控制器、3路高效率的同步Buck轉(zhuǎn)換器、1路低壓差線性穩(wěn)壓器、I²C控制接口和一些外圍邏輯控制電路。\n\nRT5090F支持靜音功能，能在電源輸入中斷時(shí)消除爆裂音，支持快速儲(chǔ)存設(shè)定信息。\n\nRT5090F支持12V至24V單輸入的系統(tǒng)或12V至24V+3.3V待機(jī)電源的系統(tǒng)。RT5090F使用WQFN-40L 5x5封裝。 ? Buck1?5V電源控制器?MOSFET外置?輕載高效的PSK設(shè)計(jì)\n? Buck2?支持PSK模式的3.5A Buck轉(zhuǎn)換器?支持動(dòng)態(tài)電壓調(diào)節(jié)，級(jí)差10mV?I2接口可調(diào)輸出電壓范圍：0.7V至1.5V\n? Buck3?支持PSK模式的6A Buck轉(zhuǎn)換器?利用外加下橋MOSFET，負(fù)載能力可達(dá)6A?支持動(dòng)態(tài)電壓調(diào)節(jié)，級(jí)差10mV?I2接口可調(diào)輸出電壓范圍：0.7V至1.5V\n? Buck4?支持PSK模式的3A Buck轉(zhuǎn)換器?輸出電壓可調(diào)\n? 低壓差線性穩(wěn)壓器?0.6A負(fù)載能力?輸出電壓可調(diào)\n? 欠壓保護(hù)方式：閉鎖或打嗝模式\n? 過(guò)壓保護(hù)方式：閉鎖模式\n? 上電過(guò)程復(fù)位S;

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Addressable relay driver

DESCRIPTION The NE/SA5090 addressable relay driver is a high-current latched driver, similar in function to the 9934 address decoder. The device has 8 open-collector Darlington power outputs, each capable of 150mA load current. FEATURES ? 8 high-current outputs ? Low-loading bus-compatible inp

文件：93.43 Kbytes 頁(yè)數(shù)：6 Pages

PHI

PHI

Addressable relay driver

DESCRIPTION The NE/SA5090 addressable relay driver is a high-current latched driver, similar in function to the 9934 address decoder. The device has 8 open-collector Darlington power outputs, each capable of 150mA load current. FEATURES ? 8 high-current outputs ? Low-loading bus-compatible inp

文件：93.43 Kbytes 頁(yè)數(shù)：6 Pages

PHI

PHI

Addressable relay driver

DESCRIPTION The NE/SA5090 addressable relay driver is a high-current latched driver, similar in function to the 9934 address decoder. The device has 8 open-collector Darlington power outputs, each capable of 150mA load current. FEATURES ? 8 high-current outputs ? Low-loading bus-compatible inp

文件：93.43 Kbytes 頁(yè)數(shù)：6 Pages

PHI

PHI