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NCV8440STT1G
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Product Detailed Parameters
- Description：MOSFET N-CH 59V 2.6A SOT223
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR)
- Switch Type：General Purpose
- Number of Outputs：1
- Ratio - Input:Output：1:01
- Output Configuration：Low Side
- Output Type：N-Channel
- Interface：-
- Voltage - Load：52V ~ 59V
- Voltage - Supply (Vcc/Vdd)：Not Required
- Current - Output (Max)：2.6A
- Rds On (Typ)：95mOhm
- Input Type：Non-Inverting
- Features：-
- Fault Protection：Over Voltage
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Supplier Device Package：SOT-223 (TO-261)
- Package / Case：TO-261-4, TO-261AA
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The NCV8440STT1G is a single-channel, low-side power switch IC from onsemi, designed for automotive and industrial load distribution. It features an N-channel MOSFET output capable of delivering up to 2.6A continuous current with a typical on-resistance of 95 mΩ. The device operates within a load voltage range of up to 52V and supports a supply voltage range of 5V to 34V. It includes overvoltage protection and is qualified to AEC-Q100 standards. Packaged in a SOT-223 (TO-261) surface-mount case, it ensures reliable performance across temperatures from -55°C to 150°C TJ.
Feature Summary
- Single-channel low-side driver with N-channel MOSFET output
- Integrated overvoltage protection circuitry
- AEC-Q100 qualified for automotive reliability
Applications
- Automotive load distribution systems
- High-side and low-side switching applications
- General purpose power management
Procurement Notes
Verify the specific suffix 'STT1G' against official onsemi documentation to confirm package type and tape/reel specifications. Ensure the component meets AEC-Q100 grade requirements if used in automotive environments. Cross-reference the datasheet revision history for any recent changes to electrical characteristics or pinout configurations before finalizing procurement.
Selection Notes
Select this component for applications requiring a single low-side switch with high current capability up to 2.6A. Consider the 95 mΩ typical on-resistance for efficiency calculations. Verify that the 52V load voltage rating aligns with system bus voltages. The SOT-223 package is suitable for surface-mount assembly where space constraints exist but moderate thermal dissipation is required.
Part Context
The NCV8440 belongs to onsemi's NCV84xx series of power switches. This family provides integrated solutions for load control in automotive and industrial systems. The NCV8440 specifically addresses low-side switching needs, offering protection features and robust packaging compared to discrete MOSFET solutions.
Replacement Considerations
Check onsemi datasheets for direct replacements within the NCV84xx series. Verify pin compatibility and electrical parameters such as Rds(on) and current ratings when substituting.
