Non-Synchronous Boost Controller, Automotive Grade

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Overview

The NCV8870 is an adjustable output non-synchronous 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, hiccup-mode short-circuit protection and thermal shutdown. Additional features include low quiescent current sleep mode and externally-synchronizable switching frequency.

  • Start-Stop systems
  • SEPIC (Non-inverting Buck Boost)
  • Direct Gas Injection
  • Automotive Systems
  • Peak Current Mode Control with Internal Slope Compensation
  • 1.2 V 2% Reference voltage
  • Wide Input Voltage Range of 3.2 V to 40 Vdc, 45 V Load Dump
  • Input undervoltage lockout (UVLO)
  • Internal SoftStart
  • 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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NCV887001D1R2G

Active

Pb

A

H

P

SOIC-8

1

260

REEL

2500

Y

Step-Up/Step-Down

1

Current Mode

3.2

45

100

$0.7935

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