NCP3284MNTXG

Dc/Dc Conv, Sync Buck, 1Mhz, 100Deg C Rohs Compliant: Yes |Onsemi NCP3284MNTXG

NCP3284MNTXG – 30A Synchronous Buck Converter – onsemi
The NCP3284MNTXG from onsemi is a high-efficiency synchronous buck DC/DC converter designed for demanding power management applications. Delivering up to 30A output current with adjustable voltage (0.8V–15.3V), this IC optimizes power conversion in compact designs. PCX ensures authentic onsemi components with reliable inventory and expedited shipping.

Key Features

High-Current Output: Supports up to 30A continuous load
Wide Voltage Range: 4.5V–18V input, 0.8V–15.3V adjustable output
Programmable Frequency: 500kHz, 600kHz, 800kHz, or 1MHz operation
Robust Thermal Performance: Operates at -40°C to +100°C
Surface-Mount Design: 37-PQFN (5×6) package for space-constrained PCBs

Technical Details
This monolithic step-down regulator features synchronous rectification for reduced power loss and supports adjustable output via external resistors. Its buck topology ensures efficient voltage conversion, while the integrated MOSFET drivers simplify board layout. The device includes over-temperature protection and is RoHS compliant.

Typical Applications

Server/cloud computing power supplies
FPGA and ASIC voltage regulation
Networking equipment and 5G infrastructure
Industrial automation controllers
High-performance computing systems

About onsemi
onsemi (formerly ON Semiconductor) is a global leader in energy-efficient power management solutions, serving automotive, industrial, and cloud-power markets for over 25 years. Their semiconductor technologies prioritize reliability and innovation, with rigorous quality certifications including ISO/TS 16949 for automotive applications.
The company’s extensive R&D investment ensures cutting-edge thermal management and efficiency in power ICs. onsemi components undergo stringent stress testing, making them ideal for mission-critical systems where longevity and stability are paramount.

About DC/DC Switching Regulators
DC/DC switching regulators efficiently convert unregulated input voltage to stable, precise output levels with minimal energy loss. Unlike linear regulators, they use pulse-width modulation (PWM) for superior thermal performance at high currents, enabling compact power solutions in modern electronics.
These ICs are fundamental in power-sensitive applications like IoT devices, telecom hardware, and automotive systems. Synchronous buck converters like the NCP3284 series further enhance efficiency by replacing diodes with active MOSFETs, reducing voltage drop during switching cycles.

Packaging Options
Available in Tape & Reel (TR), Cut Tape (CT), and Digi-Reel® formats for automated assembly. Contact PCX for reel quantities and kitting services.

FAQs
Q: What is the efficiency of this buck converter?
A: Efficiency exceeds 95% under typical loads due to synchronous rectification and low RDS(on) MOSFETs.

Q: Does it require external compensation?
A: Yes, the IC uses external compensation networks for output stability customization.

Q: Is this suitable for automotive applications?
A: While industrial-grade (-40°C to +100°C), verify specific AEC-Q qualifications with onsemi for automotive use.

Q: Can multiple units be paralleled for higher current?
A: Yes, multi-phase configurations are supported using the clock synchronization pin.

Q: What protection features are included?
A: Integrated over-temperature shutdown, under-voltage lockout, and cycle-by-cycle current limiting.

Q: How does switching frequency affect design?
A: Higher frequencies allow smaller inductors but increase switching losses; select