RT9711AGB

Description：IC PWR SWITCH N-CHAN 1:1 SOT23-5
Series：-
Mfr：Richtek USA Inc.
Package：Tape & Reel (TR)

SKU:6bf2128db7a3 Category: Power Distribution Switches, Load Drivers Brand: Richtek USA Inc.

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Product introduction

Product Detailed Parameters

Description：IC PWR SWITCH N-CHAN 1:1 SOT23-5
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-23-5
Package / Case：SC-74A, SOT-753
Grade：-
Qualification：-

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RT9711AGB

Overview

The RT9711AGB is a single N-MOSFET high-side power switch optimized for USB applications. It features an integrated charge pump and low RDS(ON) of 80mΩ in SOT-23-5 packages. The device supports a 2.5V to 5.5V input range with typical quiescent current of 25μA. It provides 1.5A continuous load current capability, open-drain fault flag output, soft-start, thermal shutdown, and UVLO.

Feature Summary

Integrated N-MOSFET with low on-resistance
Open-drain fault flag output
Built-in protection mechanisms

Applications

Self-powered USB applications
Bus-powered USB applications
Portable battery-operated equipment

Procurement Notes

Verify the package type matches the required PCB footprint, as the RT9711 series includes SOT-23-5, TSOT-23-5, SOP-8, and MSOP-8 variants. Confirm the suffix indicates the correct pinout and thermal characteristics for the specific application environment before finalizing procurement.

Selection Notes

Select this component for designs requiring compliance with USB voltage drop specifications due to its low RDS(ON). Ensure the input voltage stays within the 2.5V to 5.5V range. Consider the 1.5A current rating for dual-port configurations when sizing the thermal management solution.

Part Context

Richtek Technology Corporation manufactures the RT9711 series as cost-effective, low-voltage power switches. These devices are designed to meet USB specifications, offering a balance of performance and efficiency for portable electronics and universal serial bus interface circuits.

Replacement Considerations

Other members of the RT9711 family (RT9711B, C, D) share similar functionality but differ in current ratings and package options. Verify electrical parameters and pin compatibility before substituting.