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Product Detailed Parameters
- Description：MOSFET 25V
- Series：*
- Mfr：Texas Instruments
- Package：Bulk
- Technology：-
- Configuration：-
- FET Feature：-
- Drain to Source Voltage (Vdss)：-
- Current - Continuous Drain (Id) @ 25°C：-
- Rds On (Max) @ Id, Vgs：-
- Vgs(th) (Max) @ Id：-
- Gate Charge (Qg) (Max) @ Vgs：-
- Input Capacitance (Ciss) (Max) @ Vds：-
- Power - Max：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The CSD86356Q5DT is a synchronous buck NexFET PowerBlock from Texas Instruments, integrating control and sync FETs in a 5-mm × 6-mm SON package. It supports up to 40-A operation with a 22-V maximum input voltage and 1.5-MHz switching frequency. Optimized for 5-V gate drive, it achieves 93.0% system efficiency at 25 A. Key electrical parameters include a 25-V drain-source breakdown voltage, 4.5-mΩ effective AC on-impedance for the control FET, and 0.8-mΩ for the sync FET. The device operates within a junction temperature range of -55°C to 150°C.
Feature Summary
- Half-bridge power block architecture optimized for high-current synchronous buck applications
- Patented packaging technology eliminates common source inductance to minimize switching losses
- High-density footprint designed for flexible integration with external 5-V gate drivers
Applications
- Multiphase synchronous buck converters
- Point-of-load (POL) DC-DC converters
- IMVP, VRM, and VRD applications
Procurement Notes
Verify the specific ordering suffix 'DT' against the manufacturer's orderable addendum to confirm the 7-inch reel quantity of 250 units. Ensure the design accommodates the required 5-V gate drive signal and thermal management strategies suitable for the specified power dissipation levels.
Selection Notes
Select this component when designing high-frequency, high-current synchronous buck converters requiring minimal parasitic inductance. Evaluate the effective AC on-impedance rather than static RDS(on) for accurate loss prediction. Confirm compatibility with the external controller's gate drive voltage and current capabilities.
Part Context
This part belongs to the CSD86356Q5D NexFET PowerBlock family, which integrates power semiconductors into a single package to reduce board space and improve efficiency. The Q5D designation refers to the specific 5-mm × 6-mm plastic SON package variant used in this series.
Replacement Considerations
Direct replacements must match the 5-mm × 6-mm SON footprint and 25-V rating. Verify that alternative components support similar 5-V gate drive optimization and low common source inductance characteristics to maintain system efficiency.
