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RT9711GS Datasheet(PDF) 1 Page - Richtek Technology Corporation |
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RT9711GS Datasheet(HTML) 1 Page - Richtek Technology Corporation |
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1 / 15 page  RT9711 Preliminary 1 DS9711-04 March 2007 www.richtek.com Pin Configurations 80m Ω Ω Ω Ω Ω, 1.5A High-Side Power Switches 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 RT9711 is a low voltage, single N-Channel MOSFET high-side power switch, optimized for self-powered and bus- powered Universal Serial Bus (USB) applications. The RT9711 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. The maximum current is limited to typically 2.5A in dual ports in accordance with the USB power requirements, lower quiescent current as 25 μA making this device ideal for portable battery-operated equipment. The RT9711 is available in SOT-23-5 and SOP-8 packages requiring minimum board space and smallest components. Features Compliant to USB Specifications Built-In N-Channel MOSFET Typical RDS(ON) : 80m Ω Ω Ω Ω Ω (SOT-23-5), 90mΩ Ω Ω Ω Ω (SOP-8) Output Can Be Forced Higher Than Input (Off-State) Low Supply Current : 25 μμμμμA Typical at Switch On State 1 μμμμμA Typical at Switch Off State Guaranteed 1.5A Continuous Load Current Wide Input Voltage Ranges : 2.5V 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) 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 Green 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. SOP-8 GND VIN VIN EN FLG VOUT VOUT VOUT 2 3 4 5 8 7 6 (TOP VIEW) SOT-23-5 EN 2 3 5 4 1 GND FLG VOUT VIN RT9711 Package Type B : SOT-23-5 S : SOP-8 Operating Temperature Range P : Pb Free with Commercial Standard G : Green (Halogen Free with Commer- cial Standard) |
Similar Part No. - RT9711GS |
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Similar Description - RT9711GS |
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