28V, Low Iq, High Current, Fixed 5V-8A Synchronous Buck Converter with 100 mA LDO

DESCRIPTION The NB679 is a fully integrated, high-frequency, synchronous, rectified, step-down switch-mode converter with a fixed 5 V output. It offers a very compact solution to achieve 8 A continuous output current and 10 A peak output current over a wide input supply range with excellent load

文件：1.034099 Mbytes 頁數(shù)：18 Pages

MPS

美國芯源

具有 100mA LDO的 5.5-26V寬輸入電壓、低靜態(tài)電流、大電流、固定 5V-8A 同步降壓變換器

NB679 是一款具有固定 5V 輸出的全集成高頻同步整流降壓開關(guān)變換器。它提供了非常緊湊的解決方案，在寬輸入范圍內(nèi)可實現(xiàn) 8A 連續(xù)輸出電流和 10A 峰值輸出電流，具有極好的負載和線性調(diào)整率。\n\nNB679 基于 MPS 獨有的開關(guān)損耗降低技術(shù)和低導(dǎo)通阻抗功率 MOSFET，能在寬輸出電流負載范圍內(nèi)高效工作。\n\n自適應(yīng)恒定導(dǎo)通時間（COT）控制模式提供快速瞬態(tài)響應(yīng)，并使環(huán)路更易穩(wěn)定。DC 自動調(diào)節(jié)環(huán)路可提供較好的負載和線性調(diào)整率。\n\nNB679 提供固定 5 V LDO，可用于為外圍設(shè)備供電。\n\n全方位保護功能包括過流限制、過壓保護和過溫關(guān)斷保護。\n\n該變換器采用 QF ? 5.5 V 至 26 V 寬工作輸入電壓范圍\n? 固定輸出電壓 5 V\n? 支持 5.5 V-5 V\n? 采用超音頻模式，F(xiàn)s 超過 25kHz\n? 100μA 低靜態(tài)電流\n? 8 A 連續(xù)輸出電流\n? 10 A 峰值輸出電流\n? 用于快速瞬態(tài)響應(yīng)的自適應(yīng) COT\n? 用于負載調(diào)節(jié)的 DC 自動調(diào)節(jié)環(huán)路\n? 采用 POSCAP 和陶瓷輸出電容可穩(wěn)定工作\n? 帶切換功能的內(nèi)置 5 V、100 mA LDO\n? 1% 參考電壓\n? 內(nèi)部軟啟動\n? 輸出放電功能\n? 700 kHZ 開關(guān)頻率\n? OCP、OVP、UVP 和過溫關(guān)斷保護。\n? 通過 EN 或;

MPS

美國芯源

28V, Low IQ, Fixed 5.1V, 8A, Synchronous Buck Converter with 100mA LDO and LP# VOUT Scaling

DESCRIPTION The NB679A is a fully integrated, highfrequency, synchronous, rectified, step-down, switch-mode converter with a fixed 5.1V output and low-power mode voltage scaling. It offers a very compact solution to achieve an 8A continuous output current and a 10A peak output current over a

文件：1.11196 Mbytes 頁數(shù)：19 Pages

MPS

美國芯源

絲?。?a target="_blank" title="Marking" href="/apay/marking.html">APAY；Package：QFN-12；28V, Low IQ, Fixed 5.1V, 8A, Synchronous Buck Converter with 100mA LDO and LP# VOUT Scaling

DESCRIPTION The NB679A is a fully integrated, highfrequency, synchronous, rectified, step-down, switch-mode converter with a fixed 5.1V output and low-power mode voltage scaling. It offers a very compact solution to achieve an 8A continuous output current and a 10A peak output current over a

文件：1.11196 Mbytes 頁數(shù)：19 Pages

MPS

美國芯源

28V, Low IQ, Fixed 5.1V, 8A, Synchronous Buck Converter with 100mA LDO and LP# VOUT Scaling

DESCRIPTION The NB679A is a fully integrated, highfrequency, synchronous, rectified, step-down, switch-mode converter with a fixed 5.1V output and low-power mode voltage scaling. It offers a very compact solution to achieve an 8A continuous output current and a 10A peak output current over a

文件：1.11196 Mbytes 頁數(shù)：19 Pages

MPS

美國芯源

28V, Low IQ, Fixed 5.1V, 8A, Synchronous Buck Converter with 100mA LDO and LP# VOUT Scaling

DESCRIPTION The NB679A is a fully integrated, highfrequency, synchronous, rectified, step-down, switch-mode converter with a fixed 5.1V output and low-power mode voltage scaling. It offers a very compact solution to achieve an 8A continuous output current and a 10A peak output current over a

文件：1.11196 Mbytes 頁數(shù)：19 Pages

MPS

美國芯源

絲?。?a target="_blank" title="Marking" href="/nb679gd/marking.html">NB679GD；Package：QFN-12；28V, Low Iq, High Current, Fixed 5V-8A Synchronous Buck Converter with 100 mA LDO

DESCRIPTION The NB679 is a fully integrated, high-frequency, synchronous, rectified, step-down switch-mode converter with a fixed 5 V output. It offers a very compact solution to achieve 8 A continuous output current and 10 A peak output current over a wide input supply range with excellent load

文件：1.034099 Mbytes 頁數(shù)：18 Pages

MPS

美國芯源

28V, Low Iq, High Current, Fixed 5V-8A Synchronous Buck Converter with 100 mA LDO

DESCRIPTION The NB679 is a fully integrated, high-frequency, synchronous, rectified, step-down switch-mode converter with a fixed 5 V output. It offers a very compact solution to achieve 8 A continuous output current and 10 A peak output current over a wide input supply range with excellent load

文件：1.034099 Mbytes 頁數(shù)：18 Pages

MPS

美國芯源

28V, Low Iq, High Current, Fixed 5V-8A Synchronous Buck Converter with 100 mA LDO

DESCRIPTION The NB679 is a fully integrated, high-frequency, synchronous, rectified, step-down switch-mode converter with a fixed 5 V output. It offers a very compact solution to achieve 8 A continuous output current and 10 A peak output current over a wide input supply range with excellent load

文件：1.034099 Mbytes 頁數(shù)：18 Pages

MPS

美國芯源

5.5-26V寬 輸入電壓、低靜態(tài)電流、大電流、固定 5.1V-8A 同步降壓轉(zhuǎn)換器，搭載 100mA LDO 和 LP# Vout 擴展功能

NB679A 是一款具有固定 5.1V 輸出和低功率模式電壓調(diào)節(jié)功能的全集成高頻同步整流降壓開關(guān)變換器。它提供了非常緊湊的解決方案，在寬輸入范圍內(nèi)可實現(xiàn) 8A 連續(xù)輸出電流和 10A 峰值輸出電流，具有極好的負載和線性調(diào)整率。\n\nNB679A 基于 MPS 獨有的開關(guān)損耗降低技術(shù)和低導(dǎo)通阻抗功率 MOSFET，能在寬輸出電流負載范圍內(nèi)高效工作。\n\n自適應(yīng)恒定導(dǎo)通時間（COT）控制模式提供了快速瞬態(tài)響應(yīng)，并使環(huán)路更易穩(wěn)定。DC 自動調(diào)節(jié)環(huán)路提供了較好的負載和線性調(diào)整率。\n\nNB679A 還提供固定 5V LDO，可用于為外圍設(shè)備供電。\n\n全方位保護功能包括過流限保護、過壓保護（O ? 5.5V 至 26V 寬工作輸入電壓范圍\n? 固定 5.1V Vout（5V Vout 精度為 +2%）\n? LP# 輸出電壓調(diào)節(jié)（5V Vout 精度為 -3%）\n? 支持大占空比工作\n? 超音頻模式\n? 100μA 低靜態(tài)電流\n? 8A 連續(xù)輸出電流和 10A 峰值輸出電流\n? 用于快速瞬態(tài)響應(yīng)的自適應(yīng) COT\n? DC 自動調(diào)節(jié)環(huán)路\n? 采用 POSCAP 和陶瓷輸出電容可穩(wěn)定工作\n? 帶切換功能的內(nèi)置 5V,100mA LDO\n? 1% 參考電壓\n? 內(nèi)部軟啟動\n? 輸出放電功能\n? 開關(guān)頻率為 700kHZ\n? OCP、OVP;

MPS

美國芯源