Converters | NCP3133A

3 A Integrated Synchronous Buck Converter

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Overview

NCP3133A is a fully integrated synchronous buck converter for 3.3 V and 5 V step−down applications. It can provide up to 3 A load current. NCP3133A supports high efficiency, fast transient response and provides power good indicator. The control scheme includes two operation modes: FCCM and automatic CCM/DCM. In automatic CCM/DCM mode, the controller can smoothly switch between CCM and DCM, where converter runs at reduced switching frequency with much higher efficiency.

  • 5 V Step Down Rail
  • 3.3 V Step Down Rail

  • Servers
  • Desktop and notebook computers
  • Networking Systems

  • High Efficiency in both CCM and DCM
  • High Operation Frequency at 1.1 MHz
  • Support MLCC Output Capacitor
  • Small Footprint, 3 mm x 3 mm, 16−pin QFN Package
  • Up to 3 A Continuous Output Current
  • 2.9 V to 5.5 V Wide Conversion Voltage Range
  • Output Voltage Range from 0.6 V to 0.84 X Vin
  • Internal 400 µs Soft−Start
  • Automatic Power−Saving Mode
  • Voltage Mode Control
  • Support Pre-bias Start−up Functionality
  • Output Discharge Operation
  • Over−Temperature Protection
  • Built−in Over−Voltage, Under−Voltage and Over-Current Protection
  • Power Good Indicator

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NCP3133AMNTXG

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Active

CAD Model

Pb

A

H

P

QFN-16

485DA

1

260

REEL

3000

Y

Step-Down

Voltage Mode

2.9

5.5

1.2

3

91

1000

$0.5513

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Reliability Data

Die Related Summary Data

Device: NCP3133AMNTXG

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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