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TMI3351 - Wide Input Range Buck Converter

Description

The TMI3351 is an integrates 2-switchs synchronous buck converter mainly for widely varying input step-down regulator applications.

The control method is based upon current mode control that enables maximum performance under transient conditions.

The output voltage can be programmed by the FB pin.

Features

  • Wide Input Voltage Range from 4V to 32V.
  • Programmable VOUT Range from 0.8V to 30V.
  • Peak Current Mode Control.
  • Integrated Two low Rdson N-MOSFETs.
  • Adjustable Cycle-by-Cycle Current Limit by ILIM.
  • Adjustable Frequency: 100kHz~1MHz.
  • External Soft-Start Limits the Input Inrush Current.
  • Selectable FCCM or DCM with Pulse Skipping.
  • Cable Impedance Compensation.
  • Low Dropout Operation with Maximum Duty Cycle at 99.5%.
  • Input Under-Voltage Lockout.

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Datasheet preview – TMI3351

Datasheet Details

Part number TMI3351
Manufacturer TOLL
File Size 1.52 MB
Description Wide Input Range Buck Converter
Datasheet download datasheet TMI3351 Datasheet
Additional preview pages of the TMI3351 datasheet.

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Full PDF Text Transcription

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/A TMI3351 Wide Input Range Buck Converter With Integrated Synchronous 2-Switchs 1. Features  Wide Input Voltage Range from 4V to 32V  Programmable VOUT Range from 0.8V to 30V  Peak Current Mode Control  Integrated Two low Rdson N-MOSFETs  Adjustable Cycle-by-Cycle Current Limit by ILIM  Adjustable Frequency: 100kHz~1MHz  External Soft-Start Limits the Input Inrush Current  Selectable FCCM or DCM with Pulse Skipping  Cable Impedance Compensation  Low Dropout Operation with Maximum Duty Cycle at 99.5%  Input Under-Voltage Lockout  Output OCP, SCP, OVP  Thermal Shutdown  QFN-28 Package, 5mm×5mm×0.75mm 2. Applications  USB Power Delivery Supply  Car Charger  USB Dedicated Charging Port  Type-C Docks/Adapters  Computer Peripherals 3.
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