| 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 | TI | |
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 | TI | |
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 | TI | |
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 | TI | ||
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 | TI | ||
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 | TI | ||
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 | TI | ||
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 | TI | ||
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 | TI | ||
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 | TI |
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 |
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