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TPS51125 - Step-Down Controller

Datasheet Summary

Description

The TPS51125 is a cost-effective, dual-synchronous buck controller targeted for notebook system power supply solutions.

The device provides 5-V and 3.3-V LDOs and requires few external components.

Features

  • 1 Wide Input Voltage Range: 5.5 V to 28 V.
  • Output Voltage Range: 2 V to 5.5 V.
  • Built-In 100-mA, 5-V and 3.3-V LDO With Switches.
  • Built-In 1% 2-V Reference Output.
  • With or Without Out-of-Audio™ Mode Selectable Light-Load and PWM-Only Operation.
  • Internal 1.6-ms Voltage Servo Soft-Start.
  • Adaptive On-Time Control Architecture With Four Selectable Frequency Setting.
  • 4500 ppm/°C RDS(on) Current Sensing.
  • Built-In Output Di.

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Datasheet preview – TPS51125

Datasheet Details

Part number TPS51125
Manufacturer Texas Instruments
File Size 2.38 MB
Description Step-Down Controller
Datasheet download datasheet TPS51125 Datasheet
Additional preview pages of the TPS51125 datasheet.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS51125 SLUS786H – OCTOBER 2007 – REVISED JANUARY 2015 TPS51125 Dual-Synchronous, Step-Down Controller With Out-of-Audio™ Operation and 100-mA LDOS for Notebook System Power 1 Features •1 Wide Input Voltage Range: 5.5 V to 28 V • Output Voltage Range: 2 V to 5.5 V • Built-In 100-mA, 5-V and 3.3-V LDO With Switches • Built-In 1% 2-V Reference Output • With or Without Out-of-Audio™ Mode Selectable Light-Load and PWM-Only Operation • Internal 1.
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