4.5-V to 60-V Input, 5-A, Step-Down DC-DC Converter

文件：2.32098 Mbytes 頁數(shù)：53 Pages

TI

德州儀器

TPS54561 4.5-V to 60-V Input, 5-A, Step-Down DC-DC Converter with Soft-Start and Eco-mode?

文件：2.15949 Mbytes 頁數(shù)：53 Pages

TI

德州儀器

具有軟啟動和 Eco-mode? 的 4.5V 至 60V 輸入 5A 降壓直流/直流轉(zhuǎn)換器

TPS54561 是一款具有集成式高側(cè) MOSFET 的 60V、5A、降壓穩(wěn)壓器。按照 ISO 7637 標(biāo)準(zhǔn)，此器件能夠耐受的負(fù)載突降脈沖高達(dá) 65V。它采用電流模式控制，可實(shí)現(xiàn)簡單的外部補(bǔ)償和靈活的組件選擇。一個低紋波脈沖跳躍模式將無負(fù)載時的電源電流減小至 152μA。當(dāng)使能引腳被拉至低電平時，關(guān)斷電源電流被減少至 2μA。\n\n欠壓閉鎖在內(nèi)部設(shè)定為 4.3V，但可用使能引腳上的一個外部電阻分壓器將之提高。輸出電壓啟動斜坡由軟啟動引腳控制，該引腳還可被配置用來控制時序/跟蹤。開漏電源正常信號表示輸出處于其標(biāo)稱電壓的 93% 至 106% 之間。\n\n寬可調(diào)開關(guān)頻率范圍 ? 在輕負(fù)載條件下使用脈沖跳躍 Eco-mode? 實(shí)現(xiàn)高效率\n? 87mΩ 高側(cè) MOSFET\n? 152μA 工作靜態(tài)電流和 2μA 關(guān)斷電流\n? 100kHz 至 2.5MHz 可調(diào)開關(guān)頻率\n? 與外部時鐘同步\n? 輕負(fù)載條件下使用集成型 BOOT 再充電 FET 實(shí)現(xiàn)低壓降\n? 可調(diào) UVLO 電壓和遲滯\n? UV 和 OV 電源正常輸出\n? 可調(diào)節(jié)軟啟動和時序\n? 0.8V 1% 內(nèi)部電壓基準(zhǔn)\n? 帶有散熱焊盤的 10 引腳 WSON 封裝\n? –40°C 至 150°C TJ 工作范圍\n? 利用 TPS54561 并借助 WEBENCH? Power;

TI

德州儀器

TPS54561 4.5-V to 60-V Input, 5-A, Step-Down DC-DC Converter with Soft-Start and Eco-mode?

1 Features ? High efficiency at light loads with pulse skipping Eco-mode? ? 87-mΩ high-side MOSFET ? 152-μA operating quiescent current and 2-μA shutdown current ? 100-kHz to 2.5-MHz adjustable switching frequency ? Synchronizes to external clock ? Low dropout at light loads with integrat

文件：3.1944 Mbytes 頁數(shù)：56 Pages

TI

德州儀器

TPS54561 4.5-V to 60-V Input, 5-A, Step-Down DC-DC Converter with Soft-Start and Eco-mode?

1 Features ? High efficiency at light loads with pulse skipping Eco-mode? ? 87-mΩ high-side MOSFET ? 152-μA operating quiescent current and 2-μA shutdown current ? 100-kHz to 2.5-MHz adjustable switching frequency ? Synchronizes to external clock ? Low dropout at light loads with integrat

文件：3.1944 Mbytes 頁數(shù)：56 Pages

TI

德州儀器

TPS54561 4.5-V to 60-V Input, 5-A, Step-Down DC-DC Converter with Soft-Start and Eco-mode?

1 Features ? High efficiency at light loads with pulse skipping Eco-mode? ? 87-mΩ high-side MOSFET ? 152-μA operating quiescent current and 2-μA shutdown current ? 100-kHz to 2.5-MHz adjustable switching frequency ? Synchronizes to external clock ? Low dropout at light loads with integrat

文件：3.1944 Mbytes 頁數(shù)：56 Pages

TI

德州儀器

TPS54561 4.5-V to 60-V Input, 5-A, Step-Down DC-DC Converter with Soft-Start and Eco-mode?

1 Features ? High efficiency at light loads with pulse skipping Eco-mode? ? 87-mΩ high-side MOSFET ? 152-μA operating quiescent current and 2-μA shutdown current ? 100-kHz to 2.5-MHz adjustable switching frequency ? Synchronizes to external clock ? Low dropout at light loads with integrat

文件：3.1944 Mbytes 頁數(shù)：56 Pages

TI

德州儀器

TPS54561 4.5-V to 60-V Input, 5-A, Step-Down DC-DC Converter with Soft-Start and Eco-mode?

1 Features ? High efficiency at light loads with pulse skipping Eco-mode? ? 87-mΩ high-side MOSFET ? 152-μA operating quiescent current and 2-μA shutdown current ? 100-kHz to 2.5-MHz adjustable switching frequency ? Synchronizes to external clock ? Low dropout at light loads with integrat

文件：3.1944 Mbytes 頁數(shù)：56 Pages

TI

德州儀器

TPS54561 4.5-V to 60-V Input, 5-A, Step-Down DC-DC Converter with Soft-Start and Eco-mode?

1 Features ? High efficiency at light loads with pulse skipping Eco-mode? ? 87-mΩ high-side MOSFET ? 152-μA operating quiescent current and 2-μA shutdown current ? 100-kHz to 2.5-MHz adjustable switching frequency ? Synchronizes to external clock ? Low dropout at light loads with integrat

文件：3.1944 Mbytes 頁數(shù)：56 Pages

TI

德州儀器

TPS54561 4.5-V to 60-V Input, 5-A, Step-Down DC-DC Converter with Soft-Start and Eco-mode?

1 Features ? High efficiency at light loads with pulse skipping Eco-mode? ? 87-mΩ high-side MOSFET ? 152-μA operating quiescent current and 2-μA shutdown current ? 100-kHz to 2.5-MHz adjustable switching frequency ? Synchronizes to external clock ? Low dropout at light loads with integrat

文件：3.1944 Mbytes 頁數(shù)：56 Pages

TI

德州儀器