Non-Synchronous SEPIC / Boost Controller, 2 MHz

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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Reference Price

NCV898031D1R2G

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Active

CAD Model

Pb

A

H

P

SOIC-8

1

260

REEL

2500

N

Flyback

Forward

Step-Up

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1

Current Mode

3.2

45

Up to 2200

$0.7719

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