NCP81239AMNTXG Specifications
Manufacturer: onsemi
Part Number: NCP81239AMNTXG
Product Type: Synchronous buck converter
Output Voltage: Adjustable (via external components)
Output Current: Up to 3 A
Input Voltage Range: 2.7 V to 5.5 V
Switching Frequency: 4 MHz
Efficiency: High efficiency power conversion
Control Architecture: Current mode control
Package Type: WSON
Mounting Type: Surface mount
Protection Features: Overcurrent, overtemperature, undervoltage lockout
Operating Temperature Range: -40 °C to +125 °C
Key Features
The NCP81239AMNTXG provides efficient power conversion with high switching frequency. Additionally, its synchronous architecture improves overall efficiency. Moreover, the wide input range allows flexibility for various supply systems. Furthermore, integrated protection features enhance reliability in demanding applications.
Applications
Point-of-load power supplies
Distributed power systems
Portable and battery-powered devices
Industrial control modules
Telecommunications equipment
Embedded system power stages
FPGA and microcontroller rails
Power management subsystems
Product Overview
The onsemi NCP81239AMNTXG synchronous buck converter delivers high-efficiency DC/DC regulation in a compact surface mount package. Specifically, it supports up to 3 A of output current while switching at 4 MHz, which enables small external components for compact designs. As a result, designers can achieve effective point-of-load power conversion with reduced PCB area. Moreover, the synchronous architecture improves conversion efficiency by minimizing conduction losses between switching cycles. Therefore, overall power system performance is enhanced.
In addition, the wide input voltage range from 2.7 V to 5.5 V supports compatibility with many common power sources and battery systems. Furthermore, integrated protection features such as overcurrent and overtemperature safeguards help maintain system integrity under stress. Consequently, reliability is improved in both industrial and consumer environments. Because of this, the NCP81239AMNTXG suits a range of power management scenarios that require dependable DC/DC performance.
Overall, this buck converter delivers efficiency, flexibility, and robust protection for modern electronic designs. Therefore, it remains a practical choice for engineers focused on reliable power regulation.
Contact Us
For volume pricing, product availability, and additional product options, Cyndtek is ready to help. Moreover, our team supports OEMs, CMs, and engineers with dependable component solutions. Please contact us today to discuss your requirements.
Email: Sales@Cyndtek.com
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