Controllers | NCP81111

3 Phase VR12.5-6 High Speed Digital Controller with SVID and I2C Interfaces

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Overview

The NCP81111 is a high performance digital single output three phase VR12.5−6 compatible buck solution optimized to operate at frequencies up to 5 MHz for Intel CPU applications. The NCP81111 and can also work as a general purpose I2C controlled multiphase voltage regulator. The NCP81111 is designed to support theNCP81163 digital phase doubler IC which expands the capability of the part to 6 phases for high current handling. The controller includes true differential voltage sensing, differential current sensing, digital input voltage feed−forward, DAC feed forward, and adaptive voltage positioning.

  • Multi-phase voltage regulator for Intel processors
  • General Purpose I2C Controlled Multiphase Regulators

  • Desktop PC
  • Notebook PC
  • Servers

  • Meets Intel®’s VR12.5 Specifications
  • On Board EEPROM for User Configuration
  • High Performance Digital Architecture
  • Dynamic Reference Injection
  • Fully Differential Voltage Current Sense Amplifiers
  • “Lossless” DCR Current Sensing for Current Balancing
  • Thermally Compensated Inductor Current Sensing for Droop
  • User Adjustable Internal Compensation

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Phases

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fSW Typ (kHz)

Reference Price

NCP81111MNDFTXG

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Active

CAD Model

Pb

A

H

P

QFN-32

485CE

1

260

REEL

2500

Y

Step-Down

1/2/3

Voltage Mode

4.75

5.25

1000 - 5000

$1.7674

More Details

NCP81111MNI0TXG

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Last Shipments

CAD Model

Pb

A

H

P

QFN-32

485CE

1

260

REEL

2500

N

Step-Down

1/2/3

Voltage Mode

4.75

5.25

1000 - 5000

Price N/A

More Details

NCP81111MNI2TXG

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Last Shipments

CAD Model

Pb

A

H

P

QFN-32

485CE

1

260

REEL

2500

N

Step-Down

1/2/3

Voltage Mode

4.75

5.25

1000 - 5000

Price N/A

More Details

NCP81111MNI3TXG

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Active

CAD Model

Pb

A

H

P

QFN-32

485CE

1

260

REEL

2500

Y

Step-Down

1/2/3

Voltage Mode

4.75

5.25

1000 - 5000

$1.8078

More Details

NCP81111MNTXG

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Active

CAD Model

Pb

A

H

P

QFN-32

485CE

1

260

REEL

2500

Y

Step-Down

1/2/3

Voltage Mode

4.75

5.25

1000 - 5000

$1.8078

More Details

NCP81111MNVQTXG

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Obsolete

CAD Model

Pb

A

H

P

QFN-32

485CE

1

260

REEL

2500

N

Step-Down

1/2/3

Voltage Mode

4.75

5.25

1000 - 5000

Price N/A

More Details

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Reliability Data

Die Related Summary Data

Device: NCP81111MNDFTXG

Equivalent to wafer fab process: ONC25

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

ONC25

1

2712519294

More Details

Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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