Controllers | NCV898031

Non-Synchronous SEPIC / Boost Controller, 2 MHz

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Overview

The NCV898031 is an adjustable output non-synchronous 2 MHz SEPIC/boost controller which drives an external N-channel MOSFET. The device uses peak current mode control with internal slope compensation. The IC incorporates an internal regulator that supplies charge to the gate driver.
Protection features include internally-set soft-start, undervoltage lockout, cycle-by-cycle current limiting and thermal shutdown.
Additional features include low quiescent current sleep mode and microprocessor compatible enable pin.

  • Start-Stop Systems
  • SEPIC (Non-Inverting Buck-Boost), Boost, Flyback, Forward Converter Topologies
  • Direct Gas Injection

  • Automotive Systems

  • Peak Current Mode Control with Internal Slope Compensation
  • 1.2 V 2% Reference Voltage
  • 2 MHz Fixed Frequency Operation
  • Wide Input Voltage Range of 3.2 V to 40 V, 45 V Load Dump
  • Input Undervoltage Lockout (UVLO)
  • Internal Soft-Start
  • Low Quiescent Current in Sleep Mode
  • Cycle-by-Cycle Current Limit Protection
  • Hiccup-Mode Short-Circuit Protection (SCP)
  • Thermal Shutdown (TSD)

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NCV898031D1R2G

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CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

N

Step-Up/Step-Down

1

Current Mode

3.2

45

Up to 2200

$0.7719

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Reliability Data

Die Related Summary Data

Device: NCV898031D1R2G

Equivalent to wafer fab process: BP STD LINEAR

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

BP STD LINEAR

10

12120914040

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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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