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LM22670-Q1 Datasheet Step-down Voltage Regulator

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM22670, LM22670-Q1 SNVS584P – SEPTEMBER 2008 – REVISED NOVEMBER 2014 LM22670/-Q1 42-V, 3-A SIMPLE SWITCHER®, Step-Down Voltage.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The LM22670 switching regulator provides all of the functions necessary to implement an efficient highvoltage step-down (buck) regulator using a minimum of external components.

This easy-to-use regulator incorporates a 42-V N-channel MOSFET switch that can provide up to 3 A of load current.

Excellent line and load regulation along with high efficiency (> 90%) are featured.

Key Features

  • 1 Features.
  • 1 Wide Input Voltage Range: 4.5 V to 42 V.
  • Internally Compensated Voltage Mode Control.
  • Stable With Low ESR Ceramic Capacitors.
  • 120-mΩ N-channel MOSFET PFM Package.
  • 100-mΩ N-channel MOSFET SO PowerPAD™-8 Package.
  • Output Voltage Options: -ADJ (Outputs as Low as 1.285 V) -5.0 (Output Fixed to 5 V).
  • ±1.5% Feedback Reference Accuracy.
  • 500-kHz Default Switching Frequency.
  • Adjustable Switching Frequency and Sy.

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