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NCV881930 - Low Quiescent Current 410kHz Automotive Synchronous Buck Controller

Datasheet Summary

Description

Pin No.

Supply input for the internal current sense amplifier.

Not intended for external use.

invert

Features

  • such as UVLO, current limit, short circuit protection, and thermal shutdown are provided. High switching frequency produces low output voltage ripple even when using small inductor values and an all.
  • ceramic output filter capacitor, forming a space.
  • efficient switching solution. (2 MHz version offered with NCV891930) Features.
  • 30 mA Operating Current at No Load.
  • 50 mV Current Limit Sensing.
  • Capable of 45 V Load Dump.
  • Board Selectable Fixed Output.

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Datasheet Details

Part number NCV881930
Manufacturer ON Semiconductor
File Size 518.24 KB
Description Low Quiescent Current 410kHz Automotive Synchronous Buck Controller
Datasheet download datasheet NCV881930 Datasheet
Additional preview pages of the NCV881930 datasheet.

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Full PDF Text Transcription

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Low Quiescent Current 410 kHz Automotive Synchronous Buck Controller NCV881930 The NCV881930 is a 410 kHz fixed−frequency low quiescent current buck controller with spread spectrum that operates up to 38 V (typical). It may be synchronized to a clock or to separate NCV881930. Peak current mode control is employed for fast transient response and tight regulation over wide input voltage and output load ranges. Feedback compensation is internal to the device, permitting design simplification. The NCV881930 is capable of converting from an automotive input voltage range of 3.5 V (4.5 V during startup) to 18 V at a constant base switching frequency. Under load dump conditions up to 45 V the regulator shuts down.
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