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ADP2503 - Buck-Boost DC-to-DC Converters

General Description

The ADP2503/ADP2504 are high efficiency, low quiescent current step-up/step-down dc-to-dc converters that can operate at input voltages greater than, less than, or equal to the regulated output voltage.

The power switches and synchronous rectifiers are internal to minimize external device count.

Key Features

  • 1 mm height profile.
  • Compact PCB footprint.
  • Seamless transition between modes.
  • 38 μA typical quiescent current.
  • 2.5 MHz operation enables 1.5 µH inductor.
  • Input voltage: 2.3 V to 5.5 V.
  • Fixed output voltage: 2.8 V to 5.0 V.
  • Adjustable model output voltage range: 2.8 V to 5.5 V.
  • 600 mA (ADP2503) and 1000 mA (ADP2504) output options.
  • Boost converter configuration with load disconnect.
  • SYNC pin with three different modes.
  • Power save mode.

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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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Data Sheet ADP2503/ADP2504 600 mA/1000 mA, 2.5 MHz Buck-Boost DC-to-DC Converters FEATURES ► 1 mm height profile ► Compact PCB footprint ► Seamless transition between modes ► 38 μA typical quiescent current ► 2.5 MHz operation enables 1.5 µH inductor ► Input voltage: 2.3 V to 5.5 V ► Fixed output voltage: 2.8 V to 5.0 V ► Adjustable model output voltage range: 2.8 V to 5.