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LM3753 - Scalable 2-Phase Synchronous Buck Controller

Datasheet Summary

Description

Not Recommended for New Designs

The LM3753 is a full featured single-output dualphase voltage-mode synchronous PWM buck controller.

It can be configured to control from 2 to 12 interleaved power stages creating a single high power output.

Features

  • 1.
  • 2 Wide Input Voltage Range of 4.5V to 18V.
  • Up to 12 Channels for 300A Load.
  • System Accuracy Better Than 1%.
  • 0.6V to 3.6V Output Voltage Range.
  • Switching Frequency From 200 kHz to 1 MHz.
  • Phase Current Sharing ±12% Max Over Temperature.
  • Integrated 4.35V ±2.3% LDO.
  • Inductor DCR or Sense Resistor Current Sensing.
  • Interleaved Switching for Low I/O Ripple Current.
  • Integrated Synchronous NFET Drivers.
  • D.

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Datasheet preview – LM3753

Datasheet Details

Part number LM3753
Manufacturer Texas Instruments
File Size 1.88 MB
Description Scalable 2-Phase Synchronous Buck Controller
Datasheet download datasheet LM3753 Datasheet
Additional preview pages of the LM3753 datasheet.

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Full PDF Text Transcription

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LM3753 www.ti.com SNVS614B – DECEMBER 2009 – REVISED MARCH 2013 LM3753 Scalable 2-Phase Synchronous Buck Controller with Integrated FET Drivers and Linear Regulator Controller Check for Samples: LM3753 FEATURES 1 •2 Wide Input Voltage Range of 4.5V to 18V • Up to 12 Channels for 300A Load • System Accuracy Better Than 1% • 0.6V to 3.6V Output Voltage Range • Switching Frequency From 200 kHz to 1 MHz • Phase Current Sharing ±12% Max Over Temperature • Integrated 4.35V ±2.
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