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NCV8851-1 - Automotive Grade Synchronous Buck Controller

General Description

External clock synchronization input.

Supply input for the internal current sense amplifier.

Supply input for internal logic and analog circuitry.

Key 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.
  • Average Current Mode Control.
  • 0.8 V ±2% Reference Voltage.
  • Wide Input Voltage Range of 4.5 V to 40 V.
  • Operates through Load Dump Conditions.
  • 6.0 V Low.
  • dropout Linear Regulator (LDO).
  • Input UVLO.

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Datasheet Details

Part number NCV8851-1
Manufacturer onsemi
File Size 174.02 KB
Description Automotive Grade Synchronous Buck Controller
Datasheet download datasheet NCV8851-1 Datasheet

Full PDF Text Transcription for NCV8851-1 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for NCV8851-1. For precise diagrams, and layout, please refer to the original PDF.

NCV8851-1 Automotive Grade Synchronous Buck Controller The NCV8851−1 is an adjustable output, synchronous buck controller, which drives dual N−channel MOSFETs, ideal for ...

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onous 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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