Controllers | NCP81232

Multi-Phase Controller with Dual Loop Capability, Configurable, DrMOS Compatible

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Overview

The NCP81232 can be configured as a single or dual output regulator intended to operate with DrMOS power stages. This IC can be set with up to 8 unique output configurations that offer the operate as a single output with operation from a single to quad phases or as a dual output device with phase combinations of 3+1, 2+2, 2+1, and 1+1. This controller offers differential current sense and voltage sense for greater accuracy. The device supports DCR current sense or can accommodate an IMON signal from the DrMOS. The parts offer protection against overcurrent, over/undervoltage, and overtemperature protection.

  • High current designs
  • Core power rails
  • DDR Memory
  • FPGA power

  • Base stations
  • Networking
  • Routers

  • 4.5V to 24V input with internal bias
  • Adjustable output from 0.6V to 5V
  • Adjustable switching frequency from 200kHz to 1.2MHz
  • PWM output compatible to 3.3V and 5V DrMOS
  • 8 Configurations (single or dual output)
  • Differential output sense
  • Differential current sense
  • Overcurrent, Over/Undervoltage, and Thermal protection

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NCP81232MNTXG

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Active

CAD Model

Pb

A

H

P

QFN-40

485CR

1

260

REEL

5000

N

Step-Down

2/3/4

Current/Voltage Mode

4.5

24

1200

$1.44

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Reliability Data

Die Related Summary Data

Device: NCP81232MNTXG

Equivalent to wafer fab process: ONC25

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

ONC25

1

2712519294

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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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