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TPS61322 - 1.8-A switch current boost converter

General Description

The TPS61322 is a synchronous boost converter with only 6.5-µA quiescent current.

The TPS61322 provides a power-supply solution for products powered by alkaline battery, NiMH rechargeable battery, or one-cell Li-ion battery.

Key Features

  • Operating input voltage range: 0.9 V to 5.5 V.
  • Output voltage range: 1.8 V to 5.5 V.
  • 6.5-µA Quiescent current into VOUT pin.
  • ±3% Output voltage accuracy over temperature.
  • Minimum switch peak-current limit:.
  • 0.42 A for TPS613223A.
  • 0.5 A for TPS61322.
  • 0.75 A for TPS613221A and TPS613226A.
  • 1.10 A for TPS613222A.
  • Higher than 90% efficiency at 10-mA load from 1.5-V to 2.2-V conversion.
  • Thermal shutdown.

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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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TPS61322 SLVSDY5E – JANUARY 2018 – REVISED FEBRUARY 2024 TPS61322 6.5-µA Quiescent current, 1.8-A switch current boost converter 1 Features • Operating input voltage range: 0.9 V to 5.5 V • Output voltage range: 1.8 V to 5.5 V • 6.5-µA Quiescent current into VOUT pin • ±3% Output voltage accuracy over temperature • Minimum switch peak-current limit: – 0.42 A for TPS613223A – 0.5 A for TPS61322 – 0.75 A for TPS613221A and TPS613226A – 1.10 A for TPS613222A • Higher than 90% efficiency at 10-mA load from 1.5-V to 2.2-V conversion • Thermal shutdown protection • 2.9-mm × 1.3-mm 3-pin SOT package and 2.9-mm × 1.