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TMI3108 - 1.5MHz 1A Synchronous Step-DownConverter

General Description

The TMI3108 is a constant frequency, current mode PWM step-down converter.

The device integrates a main switch and a synchronous rectifier for high efficiency without an external Schottky diode.

It is ideal for powering portable equipment that runs from a single cell Lithium-Ion (Li+) battery.

Key Features

  • High Efficiency: Up to 96%(@3.3V).
  • 1.5MHz Constant Frequency Operation.
  • 1.0A Output Current.
  • No Schottky Diode Required.
  • 2.5V to 5.5V Input Voltage Range.
  • Output Voltage as Low as 0.6V.
  • 100% Duty Cycle in Dropout.
  • Low Quiescent Current: 50µA.
  • Slope Compensated Current Mode Control for Excellent Line and Load Transient Response.
  • Short Circuit Protection.
  • Thermal Fault Protection.
  • Inrush Current Limit and Soft Start.
  • Input over volt.

📥 Download Datasheet

Datasheet Details

Part number TMI3108
Manufacturer TOLL
File Size 502.75 KB
Description 1.5MHz 1A Synchronous Step-DownConverter
Datasheet download datasheet TMI3108 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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TMI3108 1.5MHz, 1A Synchronous Step-Down Converter FEATURES  High Efficiency: Up to 96%(@3.3V)  1.5MHz Constant Frequency Operation  1.0A Output Current  No Schottky Diode Required  2.5V to 5.5V Input Voltage Range  Output Voltage as Low as 0.6V  100% Duty Cycle in Dropout  Low Quiescent Current: 50µA  Slope Compensated Current Mode Control for Excellent Line and Load Transient Response  Short Circuit Protection  Thermal Fault Protection  Inrush Current Limit and Soft Start  Input over voltage protection(OVP)  <1µA Shutdown Current  SOT23-5 Package GENERAL DESCRIPTION The TMI3108 is a constant frequency, current mode PWM step-down converter. The device integrates a main switch and a synchronous rectifier for high efficiency without an external Schottky diode.