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RT9741DGV
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Product Detailed Parameters
- Description：IC PWR SWITCH N-CHAN 1:1 SOT23-3
- 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：2.7V ~ 5.5V
- Voltage - Supply (Vcc/Vdd)：Not Required
- Current - Output (Max)：-
- Rds On (Typ)：-
- Input Type：-
- Features：-
- Fault Protection：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：SOT-23-3
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Grade：-
- Qualification：-
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Overview
The RT9741DGV is a single-channel N-channel power switch manufactured by Richtek USA Inc., designed for USB switching applications. It operates within an input voltage range of 2.7V to 5.5V and utilizes an On/Off interface for control. The component is housed in a compact SOT-23-3 package, suitable for space-constrained designs. It functions as a high-side switch with an N-channel output configuration, providing efficient power management for portable electronics and USB peripherals without requiring a separate supply voltage.
Feature Summary
- Integrated N-channel power switch optimized for USB load switching
- High-side output configuration with simple On/Off interface control
- Operates across a wide input voltage range from 2.7V to 5.5V
- Compact SOT-23-3 surface-mount package for minimal board footprint
Applications
- USB port protection and switching in mobile devices
- Power distribution in portable consumer electronics
- Battery-powered equipment requiring efficient load management
- USB peripheral connection control systems
Procurement Notes
Verify the exact suffix DGV against the manufacturer's official datasheet to confirm pinout and electrical specifications. Ensure compatibility with your system's voltage levels and current requirements. Check for RoHS compliance status if required by your manufacturing standards. Confirm the package type matches your PCB layout constraints before finalizing procurement decisions.
Selection Notes
Select this component when a compact, single-channel USB power switch is required. It is suitable for applications needing high-side switching with a simple logic interface. Consider the SOT-23-3 package size for tight space limitations. Verify that the 2.7V to 5.5V operating range aligns with your system's power supply rails and signal levels.
Part Context
This part belongs to Richtek's power switch family, specifically tailored for USB and portable device applications. It serves as a critical component for managing power flow to connected peripherals. The design focuses on efficiency and small form factor, addressing the needs of modern handheld electronics and compact digital devices requiring reliable power switching solutions.
Replacement Considerations
Consult the official Richtek datasheet for direct pin-to-pin compatible alternatives within the same series. Verify electrical parameters such as on-resistance and voltage ratings match your application requirements before substituting.
