4.5V to 60V, 300mA, Ultra Small, High- Efficiency Synchronous Step-Down DC-DC Converters

Product Highlights ? Reduces External Components and Total Cost ? No Schottky—Synchronous Operation ? Internal Compensation ? Internal Soft-Start ? All-Ceramic Capacitors, Ultra-Compact Layout ? Flexibility to Support Multiple Rails in a System ? Wide 4.5V to 60V Input Voltage Range ? Fixe

文件：3.07353 Mbytes 頁數(shù)：29 Pages

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4.5V至60V、300mA、超小型、高效率同步降壓DC-DC轉(zhuǎn)換器

MAX17570是一款高效率、高電壓、同步降壓型DC-DC轉(zhuǎn)換器，集成MOSFET，支持4.5V至60V的寬輸入電壓范圍。該轉(zhuǎn)換器在3.3V（MAX17570A、MAX17570D）、5V（MAX17570B、MAX17570E）和可調(diào)輸出電壓（MAX17570C、MAX17570F）下，可提供高達(dá)300mA的輸出電流。當(dāng)滿足EN/UVLO和VCC UVLO時，內(nèi)部上電時序?qū)泦诱`差放大器基準(zhǔn)電壓，從而實現(xiàn)獨立于負(fù)載電流的干凈單調(diào)輸出電壓軟啟動。VOUT/FB引腳通過電阻分壓器監(jiān)控輸出電壓。在輸出電壓達(dá)到調(diào)節(jié)值的95%后1024個周期，RESET引腳轉(zhuǎn)變?yōu)楦咦杩範(fàn)顟B(tài)。將EN/UVL ? 減少外部元件數(shù)量并降低總成本\n? 內(nèi)部補(bǔ)償\n? 內(nèi)部軟啟動\n? 全陶瓷電容，超緊湊布局\n? 靈活支持系統(tǒng)中的多個電源軌\n? 3.3V和5V固定輸出電壓\n? 可調(diào)輸出范圍為0.9V至VIN的97%\n? 提供高達(dá)300mA的負(fù)載電流\n? 200kHz至1MHz可調(diào)開關(guān)頻率，具有外部時鐘同步功能\n? 降低功耗\n? 關(guān)斷電流 = 2.2μA（典型值）\n? PFM選項，可實現(xiàn)出色的輕負(fù)載效率;

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亞德諾

4.5V to 60V, 300mA, Ultra Small, High- Efficiency Synchronous Step-Down DC-DC Converters

Product Highlights ? Reduces External Components and Total Cost ? No Schottky—Synchronous Operation ? Internal Compensation ? Internal Soft-Start ? All-Ceramic Capacitors, Ultra-Compact Layout ? Flexibility to Support Multiple Rails in a System ? Wide 4.5V to 60V Input Voltage Range ? Fixe

文件：3.07353 Mbytes 頁數(shù)：29 Pages

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亞德諾

4.5V to 60V, 300mA, Ultra Small, High- Efficiency Synchronous Step-Down DC-DC Converters

Product Highlights ? Reduces External Components and Total Cost ? No Schottky—Synchronous Operation ? Internal Compensation ? Internal Soft-Start ? All-Ceramic Capacitors, Ultra-Compact Layout ? Flexibility to Support Multiple Rails in a System ? Wide 4.5V to 60V Input Voltage Range ? Fixe

文件：3.07353 Mbytes 頁數(shù)：29 Pages

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亞德諾

4.5V to 60V, 300mA, Ultra Small, High- Efficiency Synchronous Step-Down DC-DC Converters

Product Highlights ? Reduces External Components and Total Cost ? No Schottky—Synchronous Operation ? Internal Compensation ? Internal Soft-Start ? All-Ceramic Capacitors, Ultra-Compact Layout ? Flexibility to Support Multiple Rails in a System ? Wide 4.5V to 60V Input Voltage Range ? Fixe

文件：3.07353 Mbytes 頁數(shù)：29 Pages

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亞德諾

4.5V to 60V, 300mA, Ultra Small, High- Efficiency Synchronous Step-Down DC-DC Converters

Product Highlights ? Reduces External Components and Total Cost ? No Schottky—Synchronous Operation ? Internal Compensation ? Internal Soft-Start ? All-Ceramic Capacitors, Ultra-Compact Layout ? Flexibility to Support Multiple Rails in a System ? Wide 4.5V to 60V Input Voltage Range ? Fixe

文件：3.07353 Mbytes 頁數(shù)：29 Pages

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亞德諾

4.5V to 60V, 300mA, Ultra Small, High- Efficiency Synchronous Step-Down DC-DC Converters

Product Highlights ? Reduces External Components and Total Cost ? No Schottky—Synchronous Operation ? Internal Compensation ? Internal Soft-Start ? All-Ceramic Capacitors, Ultra-Compact Layout ? Flexibility to Support Multiple Rails in a System ? Wide 4.5V to 60V Input Voltage Range ? Fixe

文件：3.07353 Mbytes 頁數(shù)：29 Pages

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亞德諾

4.5V to 60V, 300mA, Ultra Small, High- Efficiency Synchronous Step-Down DC-DC Converters

Product Highlights ? Reduces External Components and Total Cost ? No Schottky—Synchronous Operation ? Internal Compensation ? Internal Soft-Start ? All-Ceramic Capacitors, Ultra-Compact Layout ? Flexibility to Support Multiple Rails in a System ? Wide 4.5V to 60V Input Voltage Range ? Fixe

文件：3.07353 Mbytes 頁數(shù)：29 Pages

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亞德諾

4.5V to 60V, 300mA, Ultra Small, High- Efficiency Synchronous Step-Down DC-DC Converters

Product Highlights ? Reduces External Components and Total Cost ? No Schottky—Synchronous Operation ? Internal Compensation ? Internal Soft-Start ? All-Ceramic Capacitors, Ultra-Compact Layout ? Flexibility to Support Multiple Rails in a System ? Wide 4.5V to 60V Input Voltage Range ? Fixe

文件：3.07353 Mbytes 頁數(shù)：29 Pages

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亞德諾

4.5V to 60V, 300mA, Ultra Small, High- Efficiency Synchronous Step-Down DC-DC Converters

Product Highlights ? Reduces External Components and Total Cost ? No Schottky—Synchronous Operation ? Internal Compensation ? Internal Soft-Start ? All-Ceramic Capacitors, Ultra-Compact Layout ? Flexibility to Support Multiple Rails in a System ? Wide 4.5V to 60V Input Voltage Range ? Fixe

文件：3.07353 Mbytes 頁數(shù)：29 Pages

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