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RT9741

Richtek
Part Number RT9741
Manufacturer Richtek
Description 1.5A/0.7A High-Side Power Switches
Published May 27, 2016
Detailed Description ® RT9741 100mΩ, 1.5A/0.7A High-Side Power Switches General Description The RT9741 is a cost-effective, low-voltage, si...
Datasheet PDF File RT9741 PDF File

RT9741
RT9741

Overview
® RT9741 100mΩ, 1.
5A/0.
7A High-Side Power Switches General Description The RT9741 is a cost-effective, low-voltage, single NMOSFET high-side Power Switch IC for USB application.
Low switch-on resistance (typ.
100mΩ) and low supply current (typ.
50μA) are realized in this IC.
The RT9741 integrates an over-current protection circuit, a short fold back circuit, a thermal shutdown circuit and an under-voltage lockout circuit for overall protection.
Furthermore, the chip also integrates an embedded delay function to prevent miss-operation from happening due to inrush-current.
The RT9741 is an ideal solution for USB power supply and can support flexible applications since it is available in the SOT-23-3 package.
Ordering Information RT9741 Package Type V : SOT-23-3 Lead Plating System G : Green (Halogen Free and Pb Free) Output Current A : 1.
5A C : 0.
7A Note : Richtek products are :  RoHS compliant and compatible with the current requirements of IPC/JEDEC J-STD-020.
 Suitable for use in SnPb or Pb-free soldering processes.
Features  100mΩ (typ.
) N-MOSFET Switch  Operating Range : 2.
7V to 5.
5V  Reverse Blocking Current  Under-Voltage Lockout  Thermal Protection with Foldback  Over-Current Protection  Short-Circuit Protection  RoHS Compliant and Halogen Free Applications  USB Peripherals  Notebook PCs Marking Information RT9741AGV 4F=DNN 4F= : Product Code DNN : Date Code RT9741CGV 4D=DNN 4D= : Product Code DNN : Date Code Simplified Application Circuit Supply Voltage 2.
7V to 5.
5V RT9741 VIN CIN VOUT GND FB COUT FB + VBUS D+ DGND Copyright ©2015 Richtek Technology Corporation.
All rights reserved.
DS9741-01 March 2015 Data is a registered trademark of Richtek Technology Corporation.
www.
richtek.
com 1 RT9741 Pin Configurations (TOP VIEW) GND 3 2 VIN VOUT SOT-23-3 Function Block Diagram Bias Oscillator UVLO Charge Pump Thermal Protection Functional Pin Description Pin No.
Pin Name Pin Description 1 VIN Power Input.
2 VOUT Output Volta...


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