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NCP81278TMNTXG The ON Semiconductor NCP81278TMNTXG is a single-output synchronous buck controller designed for CPU and GPU voltage regulation. It offers adjustable output voltage up to 2V from an input range of 3.6V to 24V.
Mfr Part #:

NCP81278TMNTXG

Available from 3 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor NCP81278TMNTXG is a single-output synchronous buck controller designed for CPU and GPU voltage regulation. It offers adjustable output voltage up to 2V from an input range of 3.6V to 24V.
✓ Total Stock: 134,723 pcs
$ Price Range: $0.75

NCP81278TMNTXG Available from 3 distributors

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✓ Non-Authorised
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Smaxon Electronics ✓
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129,723 pcs
On Request
129723 pcs On Request 1 On Request On Request 18+ On Request On Request
Flip Electronics ✓
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4,000 pcs
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4000 pcs On Request 1 On Request On Request On Request On Request On Request
Braun Electronic Components ✓
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1,000 pcs
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1000 pcs On Request 1 On Request On Request On Request On Request On Request
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NCP81278TMNTXG Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Input Voltage
Mounting Type
Number of Outputs
Operating Temperature
Output Voltage
SVHC Present
Supplier Device Package
Tape & Reel
Voltage
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NCP81278TMNTXG Description

Short technical summary and product information.

The NCP81278TMNTXG from ON Semiconductor is a high-performance, single-output synchronous buck controller. It is specifically designed for adjustable, high-performance voltage control for processors, making it ideal for CPU and GPU core voltage regulation.

 

This controller operates within an input voltage range of 3.6V to 24V and provides an adjustable output voltage up to 2V. It features a two-phase synchronous buck architecture for efficient voltage conversion and high-current point-of-load regulation. The device is built for stable operation under dynamic load conditions.

 

Packaged in a compact 20-VFQFN exposed pad (3x3mm), the NCP81278TMNTXG is suitable for modern, high-speed data and power management applications where space and thermal management are critical. Its surface mount design facilitates easy circuit integration onto dense PCB layouts.

 

The operating temperature range is -40°C to 125°C, ensuring reliable performance in various industrial and computing environments. This controller is optimal for motherboards, graphic cards, server boards, and embedded computers, as well as telecom, networking, and industrial control systems.

NCP81278TMNTXG Quick Information

Product Type: Synchronous Buck Controller
Canonical Name: NCP81278TMNTXG Synchronous Buck Controller
Subcategory: Special Purpose Regulator

NCP81278TMNTXG Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

NCP81278TMNTXG Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

NCP81278TMNTXG Features

  • Single output synchronous buck controller.
  • Input voltage range 3.6V to 24V.
  • Adjustable output voltage up to 2V.
  • Compact 20-VFQFN exposed pad package.
  • Wide operating temperature range -40°C to 125°C.

NCP81278TMNTXG Applications

  • CPU and GPU core voltage regulation.
  • Motherboards and graphic cards.
  • Server boards and embedded computers.
  • Telecom and networking systems.
  • Industrial control systems.

NCP81278TMNTXG FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range?

3.6V to 24V.

What is the output voltage?

Up to 2V.

How many outputs does it have?

1.

What is the operating temperature range?

-40°C to 125°C.

What is the mounting type?

Surface mount.

What package does it come in?

20-VFQFN Exposed Pad (20-QFN 3x3 mm).

Is this a 2-phase controller?

Yes, it is a 2-phase synchronous buck controller.

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