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LM3481-Q1 - High-Efficiency Controller

Download the LM3481-Q1 datasheet PDF. This datasheet also covers the LM3481 variant, as both devices belong to the same high-efficiency controller family and are provided as variant models within a single manufacturer datasheet.

General Description

The LM3481 device is a versatile Low-Side N-FET high-performance controller for switching regulators.

The device is designed for use in Boost, SEPIC and Flyback converters and topologies requiring a lowside FET as the primary switch.

Key Features

  • 1 LM3481QMM are Automotive-Grade Products That are AEC-Q100 Grade 1 Qualified (.
  • 40°C to +125°C Operating Junction Temperature).
  • 10-Lead VSSOP Package.
  • Internal Push-Pull Driver With 1-A Peak Current Capability.
  • Current Limit and Thermal Shutdown.
  • Frequency Compensation Optimized With a Capacitor and a Resistor.
  • Internal Softstart.
  • Current Mode Operation.
  • Adjustable Undervoltage Lockout With Hysteresis.
  • Pulse.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LM3481-etcTI.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
LM3481 High Efficiency Low-Side N-Channel Controller National Semiconductor
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LM348 Quad 741 Op Amps LM149 Wide Band Decompensated (AV MIN = 5) National Semiconductor
LM348 Differential Input Operational Amplifiers Motorola

Other Datasheets by Texas Instruments

Part Number Description
LM3481 High-Efficiency Controller
LM348 Quadruple Operational Amplifiers
LM348-N Quad 741 Op Amps
LM3480 Quasi Low-Dropout Linear Voltage Regulator
LM3485 Hysteretic PFET Buck 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 LM3481, LM3481-Q1 SNVS346F – NOVEMBER 2007 – REVISED NOVEMBER 2014 LM3481 / -Q1 High-Efficiency Controller for Boost, SEPIC and Flyback DC-DC Converters 1 Features •1 LM3481QMM are Automotive-Grade Products That are AEC-Q100 Grade 1 Qualified (–40°C to +125°C Operating Junction Temperature) • 10-Lead VSSOP Package • Internal Push-Pull Driver With 1-A Peak Current Capability • Current Limit and Thermal Shutdown • Frequency Compensation Optimized With a Capacitor and a Resistor • Internal Softstart • Current Mode Operation • Adjustable Undervoltage Lockout With Hysteresis • Pulse Skipping at Light Loads • Key Specifications – Wide Supply Voltage Range of 2.