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LM3668 - High-Efficiency Dual-Mode Single-Inductor Buck-Boost DC-DC Converter

Description

The LM3668 is a synchronous buck-boost DC-DC converter optimized for powering low voltage circuits from a Li-Ion battery and input voltage rails between 2.5 V and 5.5 V.

It has the capability to support up to 1-A output current over the output voltage range.

Features

  • 1 45-µA Typical Quiescent Current.
  • For 2.8-V-3.3-V and 3-V-3.4-V Versions:.
  • 1-A Maximum Load Current for VIN = 2.8 V to 5.5 V.
  • 800-mA Maximum Load Current for VIN = 2.7 V.
  • 600-mA Maximum Load Current for VIN = 2.5 V.
  • For 4.5 V-5 V.
  • 1-A Maximum Load Current for VIN = 3.9 V to 5.5 V.
  • 800-mA Maximum Load Current for VIN = 3.4 V to 3.8 V.
  • 700-mA Maximum Load Current for VIN = 3 V to 3.3 V.
  • 600-mA Maximum Load C.

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Datasheet preview – LM3668

Datasheet Details

Part number LM3668
Manufacturer Texas Instruments
File Size 4.19 MB
Description High-Efficiency Dual-Mode Single-Inductor Buck-Boost DC-DC Converter
Datasheet download datasheet LM3668 Datasheet
Additional preview pages of the LM3668 datasheet.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM3668 SNVS449O – JUNE 2007 – REVISED APRIL 2015 LM3668 1-A, High-Efficiency Dual-Mode Single-Inductor Buck-Boost DC-DC Converter 1 Features •1 45-µA Typical Quiescent Current • For 2.8-V-3.3-V and 3-V-3.4-V Versions: – 1-A Maximum Load Current for VIN = 2.8 V to 5.5 V – 800-mA Maximum Load Current for VIN = 2.7 V – 600-mA Maximum Load Current for VIN = 2.5 V • For 4.5 V-5 V – 1-A Maximum Load Current for VIN = 3.9 V to 5.5 V – 800-mA Maximum Load Current for VIN = 3.4 V to 3.8 V – 700-mA Maximum Load Current for VIN = 3 V to 3.3 V – 600-mA Maximum Load Current for VIN = 2.7 V to 2.9 V • 2.
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