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TPS62840 Datasheet Step-Down Converter

Manufacturer: Texas Instruments

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General Description

The TPS62840 is a high efficiency step-down converter with ultra-low operating quiescent current of typically 60 nA.

The device contains special circuitry to achieve just 150 nA IQ in 100% mode to further extend battery life near the end of discharge.

The device uses DCS-Control to cleanly power radios and operates with a typical switching frequency of 1.8 MHz.

Overview

Product Folder Order Now Technical Documents Tools & Software Support & Community TPS62840 SLVSEC6B – JUNE 2019 – REVISED AUGUST 2019 TPS62840 1.8-V to 6.

Key Features

  • 1 60-nA operating quiescent current.
  • 100% duty-cycle mode with 150-nA IQ.
  • Input voltage range VIN from 1.8 V to 6.5 V.
  • Output current up to 750 mA.
  • RF friendly DCS-Control™.
  • 80% efficiency at 1 µA IOUT (3.6 VIN to 1.8 VOUT).
  • 16 selectable output voltages via VSET pin.
  • Auto transition PFM/PWM or forced-PWM mode.
  • Selectable forced PWM and STOP modes.
  • Output discharge function.
  • 20-nA shutdown current.

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