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          首頁 >TPS54821>規(guī)格書列表

          型號下載 訂購功能描述制造商 上傳企業(yè)LOGO

          TPS54821

          TPS54821 4.5 V to 17 V Input, 8 A Synchronous Step Down Converter With Hiccup

          1 Features 1? Integrated 26 mΩ / 19 mΩ MOSFETs ? Split Power Rail: 1.6 V to 17 V on PVIN ? 200 kHz to 1.6 MHz Switching Frequency ? Synchronizes to External Clock ? 0.6V ±1% Voltage Reference Over Temperature ? Low 2 μA Shutdown Quiescent Current ? Monotonic Start-Up into Pre-biased Out

          文件:1.21528 Mbytes 頁數(shù):42 Pages

          TI

          德州儀器

          TPS54821

          4.5 V to 17 V Input, 8 A Synchronous Step Down SWIFT??Converter With Hiccup

          文件:1.36372 Mbytes 頁數(shù):37 Pages

          TI

          德州儀器

          TPS54821

          具有斷續(xù)電流限制的 4.5V 至 17V、8A 同步降壓轉(zhuǎn)換器

          采用耐熱性能增強型 3.5 毫米 x 3.5 毫米 QFN 封裝的 TPS54821 是一款全功能 17 V、8 A 同步降壓轉(zhuǎn)換器。憑借高效率和集成高側(cè)/低側(cè) MOSFET,此降壓器為適應小型設(shè)計要求而進行了優(yōu)化。 通過電流模式控制減少組件數(shù)量,并通過選擇高開關(guān)頻率縮小電感器占位面積,從而可進一步節(jié)省空間。輸出電壓啟動斜線上升由 SS/TR 引腳控制,其操作既支持獨立電源供電模式又支持跟蹤模式。 通過正確配置使能引腳與漏極開路電源狀態(tài)正常引腳也可實現(xiàn)電源排序。高側(cè) FET 的逐周期電流限制可在過載情況下保護器件不受損害,并可通過使用避免電流擊穿的低側(cè)源電流限制來增強此功能。 此外,還有一個可 ? 集成式 26 m? / 19 m? MOSFET\n? 分離電源軌:1.6 V 至 17 V 的 PVIN\n? 200 kHz 至 1.6 MHz 開關(guān)頻率\n? 與外部時鐘同步\n? 不同溫度下基準電壓為 0.6 V ±1%\n? 2uA 的低關(guān)斷靜態(tài)電流\n? 單調(diào)啟動至預偏置輸出\n? 工作結(jié)點溫度范圍:-40°C 至 125°C\n? 可調(diào)慢啟動/電源時序\n? 針對欠壓及過壓的功率正常輸出監(jiān)控\n? 可調(diào)輸入欠壓閉鎖\n? 提供\n? 針對 SWIFT的軟件工具 相關(guān)文檔,請訪問 http://www.ti.com/swift;

          TI

          德州儀器

          TPS54821RHLR

          TPS54821 4.5 V to 17 V Input, 8 A Synchronous Step Down Converter With Hiccup

          1 Features 1? Integrated 26 mΩ / 19 mΩ MOSFETs ? Split Power Rail: 1.6 V to 17 V on PVIN ? 200 kHz to 1.6 MHz Switching Frequency ? Synchronizes to External Clock ? 0.6V ±1% Voltage Reference Over Temperature ? Low 2 μA Shutdown Quiescent Current ? Monotonic Start-Up into Pre-biased Out

          文件:1.21528 Mbytes 頁數(shù):42 Pages

          TI

          德州儀器

          TPS54821RHLR.A

          TPS54821 4.5 V to 17 V Input, 8 A Synchronous Step Down Converter With Hiccup

          1 Features 1? Integrated 26 mΩ / 19 mΩ MOSFETs ? Split Power Rail: 1.6 V to 17 V on PVIN ? 200 kHz to 1.6 MHz Switching Frequency ? Synchronizes to External Clock ? 0.6V ±1% Voltage Reference Over Temperature ? Low 2 μA Shutdown Quiescent Current ? Monotonic Start-Up into Pre-biased Out

          文件:1.21528 Mbytes 頁數(shù):42 Pages

          TI

          德州儀器

          TPS54821RHLR.B

          TPS54821 4.5 V to 17 V Input, 8 A Synchronous Step Down Converter With Hiccup

          1 Features 1? Integrated 26 mΩ / 19 mΩ MOSFETs ? Split Power Rail: 1.6 V to 17 V on PVIN ? 200 kHz to 1.6 MHz Switching Frequency ? Synchronizes to External Clock ? 0.6V ±1% Voltage Reference Over Temperature ? Low 2 μA Shutdown Quiescent Current ? Monotonic Start-Up into Pre-biased Out

          文件:1.21528 Mbytes 頁數(shù):42 Pages

          TI

          德州儀器

          TPS54821RHLRG4

          TPS54821 4.5 V to 17 V Input, 8 A Synchronous Step Down Converter With Hiccup

          1 Features 1? Integrated 26 mΩ / 19 mΩ MOSFETs ? Split Power Rail: 1.6 V to 17 V on PVIN ? 200 kHz to 1.6 MHz Switching Frequency ? Synchronizes to External Clock ? 0.6V ±1% Voltage Reference Over Temperature ? Low 2 μA Shutdown Quiescent Current ? Monotonic Start-Up into Pre-biased Out

          文件:1.21528 Mbytes 頁數(shù):42 Pages

          TI

          德州儀器

          TPS54821RHLRG4.A

          TPS54821 4.5 V to 17 V Input, 8 A Synchronous Step Down Converter With Hiccup

          1 Features 1? Integrated 26 mΩ / 19 mΩ MOSFETs ? Split Power Rail: 1.6 V to 17 V on PVIN ? 200 kHz to 1.6 MHz Switching Frequency ? Synchronizes to External Clock ? 0.6V ±1% Voltage Reference Over Temperature ? Low 2 μA Shutdown Quiescent Current ? Monotonic Start-Up into Pre-biased Out

          文件:1.21528 Mbytes 頁數(shù):42 Pages

          TI

          德州儀器

          TPS54821RHLRG4.B

          TPS54821 4.5 V to 17 V Input, 8 A Synchronous Step Down Converter With Hiccup

          1 Features 1? Integrated 26 mΩ / 19 mΩ MOSFETs ? Split Power Rail: 1.6 V to 17 V on PVIN ? 200 kHz to 1.6 MHz Switching Frequency ? Synchronizes to External Clock ? 0.6V ±1% Voltage Reference Over Temperature ? Low 2 μA Shutdown Quiescent Current ? Monotonic Start-Up into Pre-biased Out

          文件:1.21528 Mbytes 頁數(shù):42 Pages

          TI

          德州儀器

          TPS54821RHLT

          TPS54821 4.5 V to 17 V Input, 8 A Synchronous Step Down Converter With Hiccup

          1 Features 1? Integrated 26 mΩ / 19 mΩ MOSFETs ? Split Power Rail: 1.6 V to 17 V on PVIN ? 200 kHz to 1.6 MHz Switching Frequency ? Synchronizes to External Clock ? 0.6V ±1% Voltage Reference Over Temperature ? Low 2 μA Shutdown Quiescent Current ? Monotonic Start-Up into Pre-biased Out

          文件:1.21528 Mbytes 頁數(shù):42 Pages

          TI

          德州儀器

          技術(shù)參數(shù)

          • Vin (Max) (V):

            17

          • Vout (Min) (V):

            0.6

          • Vout (Max) (V):

            15

          • Iout (Max) (A):

            8

          • Iq (Typ) (uA):

            600

          • Switching frequency (Min) (kHz):

            200

          • Switching frequency (Max) (kHz):

            1600

          • Features:

            Enable

          • Operating temperature range (C):

            -40 to 125

          • Rating:

            Catalog

          • Regulated outputs (#):

            1

          供應商型號品牌批號封裝庫存備注價格
          TI
          24+
          VQFN
          99600
          鄭重承諾只做原裝進口現(xiàn)貨
          詢價
          TI
          16+
          QFN
          2500
          進口原裝現(xiàn)貨/價格優(yōu)勢!
          詢價
          TI/德州儀器
          QFN
          6698
          詢價
          NA
          23+
          NA
          26094
          10年以上分銷經(jīng)驗原裝進口正品,做服務型企業(yè)
          詢價
          TI(德州儀器)
          24+/25+
          10000
          原裝正品現(xiàn)貨庫存價優(yōu)
          詢價
          80000
          詢價
          TI(德州儀器)
          2022+
          8000
          原廠原裝,假一罰十
          詢價
          TI(德州儀器)
          23+
          標準封裝
          6000
          正規(guī)渠道,只有原裝!
          詢價
          TI德州儀器
          22+
          24000
          原裝正品現(xiàn)貨,實單可談,量大價優(yōu)
          詢價
          TI(德州儀器)
          23+
          N/A
          6000
          公司只做原裝,可來電咨詢
          詢價
          更多TPS54821供應商 更新時間2026-1-20 10:19:00
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