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RT9711AGBG
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Product Detailed Parameters
- Description：IC PWR SWTCH N-CHAN 1:1 SOT23-5G
- Series：-
- Mfr：Richtek USA Inc.
- Package：Tape & Reel (TR)
- Switch Type：USB Switch
- Number of Outputs：1
- Ratio - Input:Output：1:01
- Output Configuration：High Side
- Output Type：N-Channel
- Interface：On/Off
- Voltage - Load：2.5V ~ 5.5V
- Voltage - Supply (Vcc/Vdd)：Not Required
- Current - Output (Max)：1.5A
- Rds On (Typ)：80mOhm
- Input Type：Non-Inverting
- Features：Status Flag
- Fault Protection：Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Supplier Device Package：SOT-23-5G
- Package / Case：SC-74A, SOT-753
- Grade：-
- Qualification：-
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Overview
The RT9711AGBG is a single N-MOSFET high-side power switch designed for USB applications. It features an integrated charge pump and a typical RDS(ON) of 80mΩ in the TSOT-23-5 package. The device supports a continuous load current of 1.5A with a fault current limit of 2.5A. Operating voltage ranges from 2.5V to 5.5V, with quiescent current as low as 25μA. It includes soft-start, thermal shutdown, UVLO, and an open-drain flag output.
Feature Summary
- Compliant with USB specifications for self-powered and bus-powered applications
- Integrated charge pump circuitry drives the internal MOSFET switch
- Open-drain fault flag output indicates fault conditions to the local controller
- Soft-start functionality limits inrush current during plug-in events
Applications
- Self-powered Universal Serial Bus (USB) applications
- Bus-powered Universal Serial Bus (USB) applications
- Portable battery-operated equipment
Procurement Notes
Verify the specific suffix 'GBG' against official Richtek documentation to confirm the exact package type and tape-and-reel specifications. Ensure the selected variant matches the required pinout and thermal characteristics for the target PCB layout. Cross-reference the full part number with manufacturer databases to confirm current production status and availability constraints.
Selection Notes
Select this component when a cost-effective, low-voltage high-side switch is required for USB interfaces. The 80mΩ on-resistance minimizes voltage drop, meeting strict USB compliance requirements. Choose this model over variants with lower current ratings if a 1.5A continuous load capacity is necessary for the application design.
Part Context
The RT9711 series comprises cost-effective, low-voltage single N-MOSFET high-side power switches optimized for USB applications. The series includes variants A, B, C, and D, offering different current ratings and package options such as SOT-23-5, TSOT-23-5, SOP-8, and MSOP-8 to fit various application aspects.
Replacement Considerations
Official substitutes within the same family include RT9711B, RT9711C, and RT9711D. Verify that alternative variants match the required current rating and package dimensions before substitution.
