The NCP81038 is a dual synchronous buck controller optimized for converting battery or adaptor voltage into multiple power rails for desktop and notebook systems. It features fixed 5.0 V and 3.3 V outputs, on-board LDOs providing 5 V/60 mA and 3.3 V/10 mA or 12 V/10 mA, high efficiency with adaptive ripple control, and support for wide input voltage from 5.5 V to 28 V. This controller supports transient response enhancement, power saving modes, and comprehensive protection features, making it ideal for system power supplies and high-performance computing applications.
Switching Frequencies: 300 KHz, 400 KHz, or 600 KHz
Operating Temperature: 0°C to +85°C
Power Good Indicators for Both Channels
Over-Voltage, Under-Voltage, Over-Current, and Thermal Protections
Pad size: 4x4 mm QFN-28 Package
Supports Adaptive Ripple Control and Seamless CCM/DCM Transition
Soft-Start: 8.5 ms typical
Input Voltage: 5.5 V to 28 V
Voltage Feedback Accuracy: ±1% around 800 mV reference
Output Voltages: 5 V and 3.3 V
Built-in Over-Voltage and Under-Voltage Protection
Fault Protection: UVLO, OVP, UVP, TSD, OCP
Control Logic with Soft-Start, Discharge, and Fault Handling
Buy the Buy ON Semiconductor NCP81038 Dual Synchronous Buck Controller Part Number NCP81038MNTWG Online
Order the ON Semiconductor NCP81038 now to benefit from its high efficiency dual buck controller design, integrated LDOs, extensive protective features, and support for wide input voltage ranges. Perfect for system power supplies in desktop and notebook computers, this device ensures rapid transient response, seamless CCM to DCM transition, and energy-saving modes. Built with reliability and performance in mind, the NCP81038 offers a comprehensive solution for high-performance power management applications, ensuring long-lasting operation and ease of integration for engineers and manufacturers.
Get ON Semiconductor NCP81038 today—designed for high efficiency, robust protections, and reliable system power management with integrated LDOs.
Frequently Asked Questions
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