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LM3481 - High-Efficiency Controller

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.

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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.

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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.