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NCV8851B - Automotive Grade Synchronous Buck Controller

Datasheet Summary

Description

Package Pin# 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Pin Symbol SYNC VIN_CS VIN_IC BST GH VSW GL PGND 6VOUT AGND EN VIN VFB VCOMP CCOMP CFB CSOUT CSN CSP ROSC External clock synchronization input.

Supply input for the internal current sense amplifier.

Features

  • include undervoltage lockout, internal soft start, low quiescent current sleep mode, programmable frequency, SYNC function, average current limiting, cycle.
  • by.
  • cycle overcurrent protection and thermal shutdown. Features http://onsemi. com TSSOP.
  • 20 SUFFIX DB CASE 948E.

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Datasheet preview – NCV8851B

Datasheet Details

Part number NCV8851B
Manufacturer ON Semiconductor
File Size 296.04 KB
Description Automotive Grade Synchronous Buck Controller
Datasheet download datasheet NCV8851B Datasheet
Additional preview pages of the NCV8851B datasheet.

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Full PDF Text Transcription

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NCV8851B Automotive Grade Synchronous Buck Controller The NCV8851B is an adjustable output, synchronous buck controller, which drives dual N−channel MOSFETs, ideal for high power applications. Average current mode control is employed for very fast transient response and tight regulation over wide input voltage and output load ranges. The IC incorporates an internal fixed 6.0 V low−dropout linear regulator (LDO), which supplies charge to the switch mode power supply’s (SMPS) bottom gate driver, limiting the power lost to excess gate drive. The IC is designed for operation over a wide input voltage range (4.5 V to 40 V) and is capable of 10 to 1 voltage conversion at 500 kHz.
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