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RT9706 Datasheet(PDF) 1 Page - Richtek Technology Corporation |
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RT9706 Datasheet(HTML) 1 Page - Richtek Technology Corporation |
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1 / 14 page  RT9706 1 DS9706-02 March 2007 www.richtek.com Pin Configurations 80m Ω Ω Ω Ω Ω, 500mA High-Side Power Switch with Flag Marking Information For marking information, contact our sales representative directly or through a RichTek distributor located in your area, otherwise visit our website for detail. Ordering Information General Description The RT9706 is a cost-effective, low voltage, single N-Channel MOSFET high-side power switch, optimized for self-powered and bus-powered Universal Serial Bus (USB) applications. The RT9706 equipped with a charge pump circuitry to drive the internal MOSFET switch; the switch's low RDS(ON) 80m Ω, meets USB voltage drop requirements; and a flag output is available to indicate fault conditions to the local USB controller. Additional features include soft-start to limit inrush current during plug-in, thermal shutdown to prevent catastrophic switch failure from high-current loads, under-voltage lockout (UVLO) to ensure that the device remains off unless there is a valid input voltage present, lower quiescent current as 25 μA making this device ideal for portable battery operated equipment. The RT9706 is available in SOT-23-5 package requiring minimum board space and smallest components. Features Compliant to USB Specifications Built-In (Typically 80m Ω Ω Ω Ω Ω) N-Channel MOSFET Output Can Be Forced Higher than Input (Off-State) Low Supply Current : 25 μμμμμA Typical at Switch On State 0.1 μμμμμA Typical at Switch Off State Guaranteed 500mA Continuous Load Current Wide Input Voltage Ranges : 2V to 5.5V Open-Drain Fault Flag Output Hot Plug-In Application (Soft-Start) 1.7V Typical Under-Voltage Lockout (UVLO) Current Limiting Protection Thermal Shutdown Protection Reverse Current Flow Blocking (no body diode) Smallest SOT-23-5 Package Minimizes Board Space UL Approved −−−−−E219878 RoHS Compliant and 100% Lead (Pb)-Free Applications USB Bus/Self Powered Hubs USB Peripherals ACPI Power Distribution PC Card Hot Swap Notebook, Motherboard PCs Battery-Powered Equipment Hot-Plug Power Supplies Battery-Charger Circuits Note : RichTek Pb-free and Gree products are : RoHS compliant and compatible with the current require- ments of IPC/JEDEC J-STD-020. Suitable for use in SnPb or Pb-free soldering processes. 100% matte tin (Sn) plating. (TOP VIEW) SOT-23-5 EN GND FLG VIN VOUT 2 3 5 4 1 RT9706 Package Type B : SOT-23-5 Operating Temperature Range P : Pb Free with Commercial Standard G : Green (Halogen Free with Commer- cial Standard) |
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