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R5540K002B-TR
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Product Detailed Parameters
- Description：NCH LOAD SWITCH IC
- Series：*
- Mfr：Nisshinbo Micro Devices Inc.
- Package：Tape & Reel (TR)
- Switch Type：-
- Number of Outputs：-
- Ratio - Input:Output：-
- Output Configuration：-
- Output Type：-
- Interface：-
- Voltage - Load：-
- Voltage - Supply (Vcc/Vdd)：-
- Current - Output (Max)：-
- Rds On (Typ)：-
- Input Type：-
- Features：-
- Fault Protection：-
- Operating Temperature：-
- Mounting Type：-
- Supplier Device Package：-
- Package / Case：-
- Grade：-
- Qualification：-
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Overview
The R5540K002B-TR is a low-side N-channel load switch IC from Nisshinbo Micro Devices. It operates within a supply voltage range of 750 mV to 3.6 V and supports an output current of 200 mA with a current limit of 350 mA. The device features a maximum on-resistance of 180 mΩ and typical quiescent current of 9 µA. It is housed in a DFN-PLP-1010-4F-4 package and functions over a temperature range of -40°C to +85°C.
Feature Summary
- Utilizes an N-channel transistor architecture to achieve low on-resistance and reverse current protection in the off state.
- Provides active-high control functionality for efficient power distribution management.
- Designed for minimal power consumption with ultra-low standby current characteristics.
Applications
- Power distribution circuits in portable electronic devices
- Battery-powered system load switching
- Low-voltage logic level power control
Procurement Notes
Verify the specific suffix B against the manufacturer's official datasheet to confirm pinout and electrical tolerances. Ensure the DFN-1010-4F-4 footprint matches your PCB layout requirements. Confirm RoHS compliance status through the latest production documentation before finalizing procurement specifications.
Selection Notes
Select this component when a low-side switch with high efficiency and low leakage is required. The 200 mA continuous rating suits moderate load applications. Consider the 180 mΩ resistance for thermal management calculations. Verify that the 750 mV minimum operating voltage aligns with your system's available rail during operation.
Part Context
This part belongs to the R5540K series of load switches designed for power management. It complements other Nisshinbo offerings like the R5524K series, which focuses on high-side USB switching. The series emphasizes low power consumption and compact packaging for modern mobile and IoT applications.
Replacement Considerations
Check for direct substitutes within the R5540K family, such as variants with different current ratings or resistance values. Ensure any replacement maintains the same DFN-1010-4F-4 package and low-side configuration for pin-compatible integration.
