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LM26484 - Power Management Unit

General Description

The LM26484 is a multi-function, configurable Power Management Unit.

This device integrates two highly efficient 2.0A Step-Down DC/DC converters, one LDO Controller, a POR (Power On Reset) circuit, and thermal overload protection circuitry.

All regulator output voltages are externally adjustable.

Key Features

  • 1.
  • 2 Step-Down DC/DC Converter (Buck).
  • 3.0.
  • 5.5V Input Range.
  • Externally Adjustable VOUT:.
  • Bucks 1 & 2: 0.8V.
  • 3.5V @ 2A.
  • 180° Phase Shift Between Bucks Clocks.
  • 2 MHz PWM Switching Frequency.
  • ±1% feedback Voltage Accuracy.
  • Automatic Soft Start.
  • Current Overload Protection.
  • PWM/PFM efficiency Modes Available.
  • Linear Regulator (LDO) Controller.
  • 3.0V.
  • 5.5V Input Range.

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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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LM26484 www.ti.com SNVS573F – SEPTEMBER 2008 – REVISED MARCH 2013 LM26484 Power Management Unit Check for Samples: LM26484 FEATURES 1 •2 Step-Down DC/DC Converter (Buck) – 3.0–5.5V Input Range – Externally Adjustable VOUT: – Bucks 1 & 2: 0.8V–3.5V @ 2A – 180° Phase Shift Between Bucks Clocks – 2 MHz PWM Switching Frequency – ±1% feedback Voltage Accuracy – Automatic Soft Start – Current Overload Protection – PWM/PFM efficiency Modes Available • Linear Regulator (LDO) Controller – 3.0V–5.5V Input Range – Externally Adjustable VOUT – ±1.