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LM2585 - 3-A Step-Up Wide Vin Flyback Converter

Description

The LM2585 series of regulators are monolithic integrated circuits specifically designed for flyback, step-up (boost), and forward converter applications.

The device is available in 4 different output voltage versions: 3.3 V, 5 V, 12 V, and adjustable.

Features

  • 1 Requires Few External Components.
  • Family of Standard Inductors and Transformers.
  • NPN Output Switches 3 A, Can Stand Off 65 V.
  • Wide Input Voltage Range: 4 V to 40 V.
  • Current-mode Operation for Improved Transient Response, Line Regulation, and Current Limit.
  • 100-kHz Switching Frequency.
  • Internal Soft-Start Function Reduces In-rush Current During Start-up.
  • Output Transistor Protected by Current Limit, Undervoltage Lockout, an.

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LM258 Industry-Standard Dual Operational Amplifiers
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Full PDF Text Transcription

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Product Folder Order Now Technical Documents Tools & Software Support & Community LM2585 SNVS120G – APRIL 2000 – REVISED MAY 2019 LM2585 4-V to 40-V, 3-A Step-Up Wide VIN Flyback Converter 1 Features •1 Requires Few External Components • Family of Standard Inductors and Transformers • NPN Output Switches 3 A, Can Stand Off 65 V • Wide Input Voltage Range: 4 V to 40 V • Current-mode Operation for Improved Transient Response, Line Regulation, and Current Limit • 100-kHz Switching Frequency • Internal Soft-Start Function Reduces In-rush Current During Start-up • Output Transistor Protected by Current Limit, Undervoltage Lockout, and Thermal Shutdown • System Output Voltage Tolerance of ±4% Maximum Over Line and Load Conditions • Create a Custom Design Using the LM2585 With the WEBENCH®
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