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LM22670-Q1 - Step-Down Voltage Regulator

Download the LM22670-Q1 datasheet PDF. This datasheet also covers the LM22670 variant, as both devices belong to the same step-down voltage regulator family and are provided as variant models within a single manufacturer datasheet.

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.

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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LM22670-etcTI.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
LM22670 Step-Down Voltage Regulator National Semiconductor Corporation
LM22671 Step-Down Voltage Regulator National Semiconductor Corporation
LM22672 Step-Down Voltage Regulator National Semiconductor Corporation
LM22673 Step-Down Voltage Regulator National Semiconductor Corporation
LM22674 Step-Down Voltage Regulator National Semiconductor Corporation

Other Datasheets by Texas Instruments

Part Number Description
LM22670 Step-Down Voltage Regulator
LM22671 Step-Down Voltage Regulator
LM22671-Q1 Step-Down Voltage Regulator
LM22672 Step-Down Voltage Regulator
LM22672-Q1 Step-Down Voltage Regulator

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.

View original datasheet text
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 Regulator With 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.