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TPS40041 - SYNCHRONOUS BUCK DC-TO-DC CONTROLLER

This page provides the datasheet information for the TPS40041, a member of the TPS40040 SYNCHRONOUS BUCK DC-TO-DC CONTROLLER family.

Datasheet Summary

Description

The TPS40040 and TPS40041 dc-to-dc controllers are designed to operate from a 2.25-V to 5.5-V input source.

To reduce the number of external components, several operating parameters are fixed internally; namely, frequency, soft start time, and short circuit protection (SCP) levels.

Features

  • 1.
  • 23 2.25-V to 5.5-V Input.
  • Output Voltage from 0.6 V to 90% of VIN.
  • High-Side Drive for N-Channel FET.
  • Supports Pre-Biased Outputs.
  • Adaptive Anti-Cross Conduction Gate Drive.
  • 1%, 0.6-V Reference.
  • Two Fixed Switching Frequency Versions, TPS40040 (300 kHz) and TPS40041 (600 kHz).
  • Three Selectable Short Circuit Protection Levels of 105 mV, 180 mV and 310 mV.
  • Hiccup Restart from Faults.
  • Voltage Mode Control.

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Datasheet preview – TPS40041

Datasheet Details

Part number TPS40041
Manufacturer Texas Instruments
File Size 1.29 MB
Description SYNCHRONOUS BUCK DC-TO-DC CONTROLLER
Datasheet download datasheet TPS40041 Datasheet
Additional preview pages of the TPS40041 datasheet.

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Full PDF Text Transcription

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TPS40040, TPS40041 www.ti.com SLUS700D – MARCH 2006 – REVISED DECEMBER 2007 LOW PIN COUNT, LOW VIN (2.5 V TO 5.5 V) SYNCHRONOUS BUCK DC-TO-DC CONTROLLER WITH ENABLE FEATURES 1 •23 2.25-V to 5.5-V Input • Output Voltage from 0.6 V to 90% of VIN • High-Side Drive for N-Channel FET • Supports Pre-Biased Outputs • Adaptive Anti-Cross Conduction Gate Drive • 1%, 0.
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