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LM3691 Datasheet 1-a Step-down DC-dc Converter

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM3691 SNVS506J – MAY 2008 – REVISED DECEMBER 2015 LM3691 High-Accuracy, Miniature 1-A Step-Down DC-DC Converter for Portable.

General Description

The LM3691 step-down DC-DC converter is optimized for powering ultra-low-voltage circuits from a single Li-Ion cell or 3 cell NiMH/NiCd batteries.

It provides up to 1-A load current over an input voltage range from 2.3 V to 5.5 V.

There are several different fixed voltage output options available.

Key Features

  • 1 Input Voltage: 2.3 V to 5.5 V.
  • Output Voltage: 0.75 V to 3.3 V.
  • ±1% DC Output Voltage Precision.
  • 4-MHz Switching Frequency.
  • 64-μA (typical) Quiescent Current in ECO Mode.
  • 1-A Maximum Load Capability.
  • Automatic ECO/PWM Mode Switching.
  • MODE Pin to Select ECO/Forced PWM Mode.
  • Current Overload and Thermal Shutdown Protections.
  • Only Three Tiny Surface-Mount External Components Required (Solution Size Less Than.

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