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LM3489-Q1 - Hysteretic PFET Buck Controller

Download the LM3489-Q1 datasheet PDF. This datasheet also covers the LM3489 variant, as both devices belong to the same hysteretic pfet buck controller family and are provided as variant models within a single manufacturer datasheet.

General Description

The LM3489 device is a high-efficiency PFET switching regulator controller that can be used to quickly and easily develop a small, cost-effective, switching buck regulator for a wide range of applications.

Key Features

  • 1 Qualified for Automotive Parts.
  • AEC-Q100 Qualified With the Following Results:.
  • Device Temperature Grade 1:.
  • 40°C to 125°C Ambient Operating Temperature Range.
  • Device HBM ESD Classification Level 2.
  • Device CDM ESD Classification Level C5.
  • Easy-to-Use Control Methodology.
  • No Control Loop Compensation Required.
  • Wide 4.5-V to 35-V Input Range.
  • 1.239 V to VIN Adjustable Output Range.
  • High Efficiency:.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LM3489-etcTI.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
LM3489 Hysteretic PFET Buck Controller National Semiconductor
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LM348 Four UA741 quad bipolar operational amplifiers STMicroelectronics
LM348 Quad 741 Op Amps LM149 Wide Band Decompensated (AV MIN = 5) National Semiconductor

Other Datasheets by Texas Instruments

Part Number Description
LM3489 Hysteretic PFET Buck Controller
LM348 Quadruple Operational Amplifiers
LM348-N Quad 741 Op Amps
LM3480 Quasi Low-Dropout Linear Voltage Regulator
LM3481 High-Efficiency Controller

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 Reference Design LM3489, LM3489-Q1 SNVS443C – MAY 2006 – REVISED DECEMBER 2016 LM3489x Hysteretic PFET Buck Controller With Enable Pin 1 Features •1 Qualified for Automotive Parts • AEC-Q100 Qualified With the Following Results: – Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range – Device HBM ESD Classification Level 2 – Device CDM ESD Classification Level C5 • Easy-to-Use Control Methodology • No Control Loop Compensation Required • Wide 4.5-V to 35-V Input Range • 1.239 V to VIN Adjustable Output Range • High Efficiency: 93% • ±1.