Calculation tool
SLPR053 — Power Loss Calculation Tool for Synchronous Inverting Buck Boost Converter
MOSFET power loss calculation and selection tool for synchronous inverting buck boost converter
CSD87351ZQ5D
30-V, N channel synchronous buck NexFET™ power MOSFET, SON 5 mm x 6 mm power block, 32 A
Data sheet
CSD87351ZQ5D
- Half-Bridge Power Block
- 90% System Efficiency at 20 A
- Up to 32-A Operation
- High-Frequency Operation (up to 1.5 MHz)
- High-Density SON 5-mm × 6-mm Footprint
- Optimized for 5-V Gate Drive
- Low-Switching Losses
- Ultra-Low-Inductance Package
- RoHS Compliant
- Halogen Free
- Lead-Free Terminal Plating
- Improved ESD Protection
The CSD87351ZQ5D NexFET™ power block is an optimized design for synchronous buck applications offering high-current, high-efficiency, and high-frequency capability in a small 5-mm × 6-mm outline. Optimized for 5-V gate drive applications, this product offers a flexible solution capable of offering a high-density power supply when paired with any 5-V gate drive from an external controller/driver.
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Technical documentation
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View all 8 | Top documentation | Type | Title | Format options | Date |
|---|---|---|---|---|
| * | Data sheet | CSD87351ZQ5D Synchronous Buck NexFET™ Power Block datasheet (Rev. A) | PDF | HTML | 10 Feb 2017 |
| Application note | MOSFET Support and Training Tools (Rev. G) | PDF | HTML | 27 Oct 2025 | |
| Application note | Avoid Common Mistakes When Selecting And Designing With Power MOSFETs | PDF | HTML | 06 Nov 2024 | |
| Application note | Semiconductor and IC Package Thermal Metrics (Rev. D) | PDF | HTML | 25 Mar 2024 | |
| Application note | QFN and SON PCB Attachment (Rev. C) | PDF | HTML | 06 Dec 2023 | |
| Application brief | Tips for Successfully Paralleling Power MOSFETs | PDF | HTML | 31 May 2022 | |
| Application note | Ringing Reduction Techniques for NexFET High Performance MOSFETs | 16 Nov 2011 | ||
| Application note | PowerStack™ Packaging Technology Overview | 18 Jul 2011 |
Design & development
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Calculation tool
SYNC-BOOST-FET-LOSS-CALC — Power Loss Calculation Tool for Synchronous Boost Converter
MOSFET power loss calculator for synchronous boost converter applications.
Supported products & hardware
Calculation tool
SYNC-BUCK-FET-LOSS-CALC — Power Loss Calculation Tool for Synchronous Buck Converter
Quickly trade off size, cost and performance to select the optimal MOSFET based on application conditions.
Supported products & hardware
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| LSON-CLIP (DQY) | 8 | Ultra Librarian |
Ordering & quality
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- MSL rating/Peak reflow
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Information included:
- Fab location
- Assembly location
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