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TPS63900 - Buck-boost Converter

Description

The TPS63900 device is a high-efficiency synchronous buck-boost converter with an extremely low quiescent current (75 nA typical).

The device has 32 user-programmable output voltage settings from 1.8 V to 5 V.

Features

  • Input voltage range: 1.8 V to 5.5 V.
  • Output voltage range: 1.8 V to 5 V (100-mV steps).
  • Programmable with external resistors.
  • SEL pin to toggle between two output voltage presets.
  • > 400-mA output current for VI ≥ 2.0 V, VO = 3.3 V (typical 1.45-A peak switching current limit).
  • Stackable: parallel multiple devices for higher output current.
  • > 90% Efficiency at 10-µA load current.
  • 75-nA quiescent current.
  • 60-nA shutd.

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Full PDF Text Transcription

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www.ti.com TPS63900 SLVSET3D – MARCH 2020 – REVISED OCTTOPBSE6R32900200 SLVSET3D – MARCH 2020 – REVISED OCTOBER 2020 TPS63900 1.8-V to 5.5-V, 75-nA IQ Buck-boost Converter with Input Current Limit and DVS 1 Features • Input voltage range: 1.8 V to 5.5 V • Output voltage range: 1.8 V to 5 V (100-mV steps) – Programmable with external resistors – SEL pin to toggle between two output voltage presets • > 400-mA output current for VI ≥ 2.0 V, VO = 3.3 V (typical 1.
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