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70mΩ/55mΩ, 3A/2.5A/2A/1.5A/1A/0.5A 高端功率開關

RT9742

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RT9742 是用於 USB 應用的低成本、低壓高端功率開關,同時具備低導通電阻和低電流消耗的特性。
它集成了過流保護電路、短路折返電路、熱關機保護電路和欠壓鎖定電路以實現所有的保護功能,還集成了延時功能以防止衝擊電流所造成的誤操作。它是 USB 電源應用的理想選擇,也同時支持其它靈活的應用,其封裝為 TSOT-23-5、TSOT-23-5 (FC)與SOT-23-3。

應用

主要規格
RT9742A RT9742B RT9742C RT9742D RT9742E RT9742F RT9742G RT9742H RT9742J RT9742K RT9742L RT9742M RT9742N RT9742P RT9742Q RT9742R RT9742S RT9742U
Status Active Active Active Active Active Active Active Active Active Active Active Active Active Active Active Active Active Active
Number of Outputs 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
Vin (min) (V) 2.7 2.7 2.7 2.7 2.7 2.7 2.7 2.7 2.7 2.7 2.7 2.7 2.7 2.7 2.7 2.7 2.7 2.7
Vin (max) (V) 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6
Ron (typ) (mOhm) 55 55 55;70 55;70 55;70 55;70 55;70 55;70 70 70 70 70 55 55 70 70 70 70
Iq (typ) (mA) 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03
Current Limit (typ) (A) 3.3 3.3 2.2 2.2 1.65 1.65 1.1 1.1 2.15 1.65 1.1 1.65 2.75 2.75 0.7 0.7 0.7 1.65
FLAG Indicator Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Iocp Adjustable No No No No No No No No No No No No No No No No No No
Safety Nemko;UL Nemko;UL Nemko;UL Nemko;UL Nemko;UL Nemko;UL Nemko;UL Nemko;UL Nemko;UL Nemko;UL Nemko;UL Nemko;UL Nemko;UL Nemko;UL Nemko;UL Nemko;UL Nemko;UL Nemko;UL
Features Enable Input;OCP;SCP Enable Input;OCP;SCP Enable Input;OCP;SCP Enable Input;OCP;SCP Enable Input;OCP;SCP Enable Input;OCP;SCP Enable Input;OCP;SCP Enable Input;OCP;SCP Enable Input;OCP;SCP Enable Input;OCP;SCP Enable Input;OCP;SCP Enable Input;OCP;SCP Enable Input;OCP;SCP Enable Input;OCP;SCP Enable Input;OCP;SCP Enable Input;OCP;SCP Enable Input;OCP;SCP Enable Input;OCP;SCP
Package Type SOT-23;TSOT-25;TSOT-25(FC) SOT-23;TSOT-25;TSOT-25(FC) SOT-23;TSOT-25;TSOT-25(FC) SOT-23;TSOT-25;TSOT-25(FC) SOT-23;TSOT-25;TSOT-25(FC) SOT-23;TSOT-25;TSOT-25(FC) SOT-23;TSOT-25;TSOT-25(FC) SOT-23;TSOT-25;TSOT-25(FC) SOT-23;TSOT-25;TSOT-25(FC) SOT-23;TSOT-25;TSOT-25(FC) SOT-23;TSOT-25;TSOT-25(FC) SOT-23;TSOT-25;TSOT-25(FC) SOT-23;TSOT-25;TSOT-25(FC) SOT-23;TSOT-25;TSOT-25(FC) SOT-23;TSOT-25;TSOT-25(FC) SOT-23;TSOT-25;TSOT-25(FC) SOT-23;TSOT-25;TSOT-25(FC) SOT-23;TSOT-25;TSOT-25(FC)
關鍵特性
  • 70mΩ/55mΩ(典型值) N-MOSFET 開關
  • 工作電壓範圍:2.7V~6V
  • 具有反向電流阻止能力
  • 欠壓鎖定保護
  • 熱保護,並且具有折返特性
  • 過流保護
  • 短路保護
  • UL認證-E219878
  • Nemko認證-NO87949
Datasheet
TitleLast UpdateShareDownload
70mΩ/55mΩ, 3A/2.5A/2A/1.5A/1A/0.5A 高端功率開關2015/07/20
Technical Documents
TitleLast UpdateShareDownload
電源IC輸入端的過應力分析2016/07/28
Videos
TitleLast UpdateShareViews
為應用選擇最適合的電源管理組件
2014/10/28 91
Evaluation Boards
TitleLast UpdateShareDownload
55mΩ, 3A High-Side Power Switches with Flag2015/10/30
Part NumberPackage TypePackage Qty.Free SampleBuy From Authorized Distributor
RT9742AGJ5FTSOT-25(FC)3000 Not available Buy from Distributor
RT9742ANGJ5FTSOT-25(FC)3000 Not available Buy from Distributor
RT9742CGJ5TSOT-253000 Request Buy from Distributor
RT9742CGJ5FTSOT-25(FC)3000 Not available Buy from Distributor
RT9742CNGJ5TSOT-253000 Request Buy from Distributor
RT9742CNGJ5FTSOT-25(FC)3000 Not available Buy from Distributor
RT9742EGJ5TSOT-253000 Request Buy from Distributor
RT9742EGJ5FTSOT-25(FC)3000 Not available Buy from Distributor
RT9742ENGJ5TSOT-253000 Not available Buy from Distributor
RT9742ENGJ5FTSOT-25(FC)3000 Not available Buy from Distributor
RT9742GGJ5TSOT-253000 Request Buy from Distributor
RT9742GNGJ5TSOT-253000 Not available Buy from Distributor
RT9742GNGJ5FTSOT-25(FC)3000 Not available Buy from Distributor
RT9742JNGVSOT-233000 Not available Buy from Distributor
RT9742KNGVSOT-233000 Not available Buy from Distributor
RT9742LNGVSOT-233000 Not available Buy from Distributor
RT9742MNGJ5TSOT-253000 Not available Buy from Distributor
RT9742SNGVSOT-233000 Not available Buy from Distributor
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