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EL7556D Datasheet Integrated Adjustable 6 Amp Synchronous Switcher

Manufacturer: Intersil (now Renesas)

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Overview

® FO R DED 566 N E L7 OM M S Data EE ESheet RE C T O N D N EW ESI G NS EL7556D August 1, 2005 FN7339.1 Integrated Adjustable 6 Amp Synchronous Switcher The EL7556D is an adjustable synchronous DC:DC switching regulator optimized for a 5V input and 1.0V-3.8V output.

By combining integrated NMOS power FETS with a fused-lead package, the EL7556D can supply up to 6A continuous output current without the use of external power devices or discrete heat sinks, thereby minimizing design effort and overall system cost.

On-chip resistorless current sensing is used to achieve stable, highly efficient, current-mode control.

Key Features

  • Improved temperature and voltage ranges.
  • 6A continuous load current.
  • Precision internal 1% reference.
  • 1.0V to 3.8V output voltage.
  • Internal power MOSFETs.
  • >90% efficiency.
  • Synchronous switching.
  • Adjustable slope compensation.
  • Over-temperature indicator.
  • Pulse-by-pulse current limiting.
  • Operates up to 1MHz.
  • 1.5% typical output accuracy.
  • Adjustable oscillator with sync.
  • Re.

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