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LM8801 - 600mA Synchronous Step-Down DC-DC Converter

General Description

The LM8801 step-down DC-DC converter is optimized for powering ultra-low voltage circuits from a single Li-Ion cell and input voltage rails from 2.3V to 5.5V.

It provides up to 600 mA load current over the entire input voltage range.

Key Features

  • 1.
  • 2 Over 90% Efficiency at 6 MHz Operation.
  • 600 mA Maximum Load Capability.
  • 6 MHz PWM Fixed Switching Frequency (typ. ).
  • 27 µA (typ. ) Quiescent Current in PFM Mode.
  • Wide Input Voltage Range: 2.3V to 5.5V.
  • VOUT = 1.0V to 2.9V with 50 mV steps.
  • ±1.5% DC Output Voltage Precision Over Temperature.
  • Best-in-Class Load Transient Response.
  • Low Output Ripple in PFM Mode.
  • Automatic PFM/PWM Mode Switching.
  • Cur.

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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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LM8801 www.ti.com SNVS597H – APRIL 2009 – REVISED MAY 2013 LM8801 High Precision 6MHz, 600 mA Synchronous Step-Down DC-DC Converter for Mobile Applications Check for Samples: LM8801 FEATURES 1 •2 Over 90% Efficiency at 6 MHz Operation • 600 mA Maximum Load Capability • 6 MHz PWM Fixed Switching Frequency (typ.) • 27 µA (typ.) Quiescent Current in PFM Mode • Wide Input Voltage Range: 2.3V to 5.5V • VOUT = 1.0V to 2.9V with 50 mV steps • ±1.5% DC Output Voltage Precision Over Temperature • Best-in-Class Load Transient Response • Low Output Ripple in PFM Mode • Automatic PFM/PWM Mode Switching • Current Overload and Thermal Shutdown Protection • Internal Soft-Start • 6-bump DSBGA Package – (1.065 x 1.265 , 0.6 mm or 0.