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NCP81109FMNTXG The NCP81109FMNTXG is a single-phase synchronous buck regulator from ON Semiconductor, designed for computing applications. It offers high efficiency and a compact footprint.
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NCP81109FMNTXG

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The NCP81109FMNTXG is a single-phase synchronous buck regulator from ON Semiconductor, designed for computing applications. It offers high efficiency and a compact footprint.
✓ Total Stock: 21,000 pcs
$ Price Range: $0.78

NCP81109FMNTXG Available from 2 distributors

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NCP81109FMNTXG Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Method
Input Voltage
Interface
Mounting Type
Output Current
Supplier Device Package
Supplier Package
Tape & Reel
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NCP81109FMNTXG Description

Short technical summary and product information.

The NCP81109FMNTXG is a single-phase synchronous buck regulator developed by ON Semiconductor, integrating power MOSFETs for high efficiency and a compact footprint. This device is suitable for new generation computing CPUs, capable of delivering up to 14 A TDC output current with an adjustable output and SVID interface.

 

Operating at high switching frequencies up to 1.2 MHz, the NCP81109FMNTXG allows for the use of smaller inductors and capacitors while maintaining high efficiency. It features current-mode RPM control with feedforward from both the input power supply and output voltage, ensuring stable operation across a wide range of conditions. The regulator supports a 5 V to 20 V input voltage range and offers fixed boot voltages of 1.0 V or 1.5 V.

 

Key features include integrated gate drivers and power MOSFETs, programmable SVID address and ICCMax, and programmable DVID feed-forward for fast DVID support. It also includes output over-voltage and under-voltage protections, and external current limitation programming with inductor current sense. The device is housed in a QFN48 6 x 6 mm package with a 0.4 mm pitch.

 

Typical applications for the NCP81109FMNTXG include server applications. It meets Intel® Server Specifications and is a Pb-Free device.

NCP81109FMNTXG Quick Information

Product Type: DC DC Switching Controller
Canonical Name: NCP81109F Single-Phase Synchronous Buck Regulator
Subcategory: Synchronous Buck Regulator

NCP81109FMNTXG Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Pb-Free

NCP81109FMNTXG Estimated Pricing

Qty Low High
1+ $0.78 $0.78

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

NCP81109FMNTXG Features

  • Single-phase synchronous buck regulator.
  • Up to 14 A TDC output current.
  • 5 V to 20 V input voltage range.
  • High switching frequency up to 1.2 MHz.
  • Integrated gate driver and power MOSFETs.

NCP81109FMNTXG Applications

  • High-performance computing power supplies.
  • Graphics card voltage regulation.
  • Server and datacenter point-of-load converters.
  • Telecommunications and networking equipment.

NCP81109FMNTXG FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the NCP81109FMNTXG?

The input voltage range is 5V to 20V.

What is the package type of the NCP81109FMNTXG?

It is available in a 48-VFQFN exposed pad package (48-QFN, 6x6mm) for surface mount assembly.

What is the maximum output current?

Up to 14A TDC.

What is the switching frequency range?

500kHz to 1.2MHz.

What control method does the regulator use?

Current-mode RPM control.

What interface does the NCP81109FMNTXG support?

SVID interface.

Is the NCP81109FMNTXG lead-free?

Yes, the device is lead-free (Pb-Free).

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