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TPS62748 - 300/400mA High Efficiency Buck Converter

Description

The TPS62748 is a high efficiency step down converter with ultra low quiescent current of typical 360 nA.

The device is optimized to operate with a 2.2-µH inductor and 10µF output capacitor.

The device uses DCS-Control™ and operates with a typical switching frequency of 1.2 MHz.

Features

  • 1 Input Voltage Range VIN from 2.15 V to 5.5 V.
  • Input Voltage Range Down to 2.0 V Once Started.
  • 300 mA Output Current.
  • 360 nA Operational Quiescent Current.
  • Up to 90% Efficiency at 10-µA Output Current.
  • Power Save Mode Operation.
  • Selectable Output Voltages.
  • 1.2 V and 1.8 V.
  • Output Voltage Discharge.
  • 100 mA/2.2 Ω Integrated Load Switch.
  • Low Output Voltage Ripple.
  • Automatic Transition to No.

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Full PDF Text Transcription

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Product Folder Order Now Technical Documents Tools & Software Support & Community TPS62748 SLVSD37A – SEPTEMBER 2015 – REVISED OCTOBER 2015 TPS62748 300/400 mA High Efficiency Buck Converter with Ultra-low Quiescent Current and Load Switch 1 Features •1 Input Voltage Range VIN from 2.15 V to 5.5 V • Input Voltage Range Down to 2.0 V Once Started • 300 mA Output Current • 360 nA Operational Quiescent Current • Up to 90% Efficiency at 10-µA Output Current • Power Save Mode Operation • Selectable Output Voltages – 1.2 V and 1.8 V • Output Voltage Discharge • 100 mA/2.2 Ω Integrated Load Switch • Low Output Voltage Ripple • Automatic Transition to No Ripple 100% Mode • RF Friendly DCS-Control™ • Total Solution Size <10mm2 • Small 1.6 mm × 0.
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