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ONSEMI NCP81038MNTWG Dual Synchronous Buck Controller

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.

Authorized Distributors
Source:Newark
Part No:NCP81038MNTWG
Stock:2410
Inv Date:06-11-2026
Price: Unit price: $1.01
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Source:DigiKey
Part No:NCP81038MNTWG
Stock:0
Inv Date:06-11-2026
Price: Unit price: $1.52
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Source:DigiKey
Part No:NCP81038MNTWG
Stock:2813
Inv Date:06-11-2026
Price: Unit price: $1.15
Buy/RFQ:
Part No:NCP81038MNTWG
Stock:0
Inv Date:06-11-2026
Price: Unit price: $1.52
Buy/RFQ:
Part No:NCP81038MNTWG
Stock:0
Inv Date:06-11-2026
Price: Unit price: $1.404
Buy/RFQ:
Part No:NCP81038MNTWG
Stock:0
Inv Date:06-11-2026
Price: Unit price: $1.404
Buy/RFQ:

ONSEMI NCP81038MNTWG Dual Synchronous Buck Controller Specifications:

  • Wide Input Voltage Range: 5.5 V to 28 V
  • Built-in 5 V / 60 mA LDO
  • Built-in 3.3 V or 12 V / 10 mA LDO
  • 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

Where can I buy ONSEMI NCP81038MNTWG?

You can click on the BUY or RFQ button to purchase NCP81038MNTWG from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part NCP81038MNTWG?

You can download the NCP81038MNTWG datasheet or visit the ONSEMI website for support.

Who is the manufacturer of NCP81038MNTWG?

ONSEMI

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