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STBB3J - high efficiency single inductor buck-boost DC-DC converter

Datasheet Summary

Description

The STBB3J is a fixed frequency, high efficiency, buck-boost DC-DC converter which provides output voltages from 1.2 V to 5.5 V starting from input voltage from 1.8 V to 5.5 V.

Features

  • Input voltage range from 1.8 V to 5.5 V.
  • 2 A output current at 3.3 V in buck mode (VIN = 3.6 V to 5.5 V).
  • 800 mA output current at 3.3 V in boost mode (VIN 2.0 V).
  • Typical efficiency higher than 94%.
  • ± 2% DC feedback voltage tolerance.
  • Automatic transition between step-down and boost mode.
  • Adjustable output voltage from 1.2 V to 5.5 V.
  • Power save mode (PS) at light load.
  • 2.0 MHz fixed switching frequency.

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Datasheet Details

Part number STBB3J
Manufacturer STMicroelectronics
File Size 2.07 MB
Description high efficiency single inductor buck-boost DC-DC converter
Datasheet download datasheet STBB3J Datasheet
Additional preview pages of the STBB3J datasheet.

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Full PDF Text Transcription

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STBB3J 2 A, high efficiency single inductor buck-boost DC-DC converter Datasheet - production data Flip Chip 20, pitch = 0.4 mm Features • Input voltage range from 1.8 V to 5.5 V • 2 A output current at 3.3 V in buck mode (VIN = 3.6 V to 5.5 V) • 800 mA output current at 3.3 V in boost mode (VIN 2.0 V) • Typical efficiency higher than 94% • ± 2% DC feedback voltage tolerance • Automatic transition between step-down and boost mode • Adjustable output voltage from 1.2 V to 5.5 V • Power save mode (PS) at light load • 2.0 MHz fixed switching frequency • Adjustable switching frequency up to 2.
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