Overview
The CSD87350Q5D is a dual N-channel power MOSFET block optimized for high-efficiency synchronous buck converter and DC-DC power stage designs. It is widely used in point-of-load regulators, embedded power supplies, and industrial power modules, where high current capability, low switching losses, and compact footprint are required. The NexFET™ design delivers excellent efficiency and thermal performance in modern power systems.
Core Parameters
| Parameter | Specification |
|---|---|
| Device Type | Dual N-Channel NexFET™ Power MOSFET Block |
| Drain-Source Voltage (VDSS) | 30 V |
| Continuous Drain Current | Up to 40 A |
| RDS(on) | ~5.9 mΩ @ 20 A, 8 V |
| Gate Threshold Voltage (VGS(th)) | ~2.1 V |
| Package | 8-LSON (5 × 6 mm) |
| Max Operating Temp | –55°C to +150°C |
These parameters make the device suitable for high-current synchronous buck and DC-DC power stages, especially where high efficiency and low conduction loss are critical.
Features
- Dual N-channel MOSFET block optimized for synchronous buck converters
- Ultra-low RDS(on) for reduced conduction losses
- Capable of up to 40 A continuous drain current
- High-frequency operation support up to ~1.5 MHz
- Logic-level gate drive compatible (5 V)
- Compact 5×6 mm NexFET™ footprint
- Ultra-low inductance package for reduced switching loss
Typical Application Scenarios
- Synchronous buck DC-DC converters for point-of-load regulation
- High-current power rails in servers and telecom equipment
- Embedded computing and FPGA power supplies
- Industrial automation power stages
The TPS5450DDAR buck converter is often paired with the CSD87350Q5D low R<sub>DS(on)</sub> MOSFET to improve efficiency and current handling. Together they form a robust DC-DC power stage for industrial and embedded applications requiring high efficiency and thermal performance.
Performance Comparison
Compared with discrete MOSFET pairs, the CSD87350Q5D’s integrated block reduces layout complexity and improves switching performance. Its low RDS(on) and optimized footprint offer better conduction efficiency and thermal behavior than general-purpose MOSFET arrays used in similar power stages.
Conclusion
The CSD87350Q5D is a powerful and efficient dual MOSFET solution tailored for high-current synchronous power conversion designs. Its NexFET™ architecture, low losses, and high-frequency capability make it ideal for modern embedded and industrial power supplies.
Manufacturer Profile
Texas Instruments (TI) is a global leader in analog and power semiconductor technologies. Its NexFET™ series of MOSFETs delivers low-loss power switching solutions used in computing, industrial automation, and consumer electronics. TI’s MOSFETs are known for their reliability, performance, and wide ecosystem support.
FAQ
Q1: What type of MOSFET is the CSD87350Q5D?
The CSD87350Q5D is a dual N-channel NexFET™ power MOSFET block designed for high-efficiency synchronous buck converter applications.
Q2: What voltage and current ratings does it support?
It supports a drain-source voltage of 30 V and continuous drain current up to 40 A in a compact package.
Q3: Why is low RDS(on) important?
Low RDS(on) reduces conduction losses, improving efficiency and lowering heat generation in high-current power stages.
Q4: How can the quality of the CSD87350Q5D be verified?
7SEtronic has a complete standardized quality inspection SOP, including label verification, visual inspection, and X-RAY analysis, to ensure authenticity and performance.
For more information and to review our available inventory, please contact our team for detailed pricing, current stock levels, and any additional technical support you may need.
You can find more component guides and application notes in our Component Technical Guides section: