ROHM Semiconductor – BD9G101G and BD9G341EFJ: High Voltage Wide Input Step-Down DC/DC Regulators

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The BD9G101G and BD9G341EFJ are high-voltage, non-synchronous, step-down DC/DC converters. An integrated high-side N-channel FET with low RDS(on) provides efficiencies up to 90%, while features like over current and thermal shutdown protection increase reliability for industrial, point-of-load, and distributed power supply applications.

And to help engineers quickly develop and design power rails, ROHM provides proven, tested evaluation boards complete with schematics, bill of materials, and Gerber files.

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Key Features
High Voltage Input:

  • 42V (BD9G101G)
  • 76V (BD9G341EFJ)

Output Current:

  • 0.5A (BD9G101G)
  • 3A (BD9G341EFJ)
  • Integrated High Side FET
  • Up to 90% Efficiency
  • High Accuracy ±1.5% Feedback Reference Voltage
  • Enable Input Pin
  • Over Current & Thermal Shutdown Protection
  • Under Voltage Lockout
  • Soft Start
  • Over Voltage Protection (BD9G341EFJ)
  • SSOP/SOT23-6 (BD9G101G) and HTSOP-J8/SOIC-8 (BD9G341EFJ) Packages
Applications

  • Industrial Process Control
  • Point-of-Load and Distributed Power Designs
  • Telecommunications Systems
  • Automotive
  • Battery Powered Equipment

 

 

 

 

 

 

 

 

 

Specifications

Part No.VINVOUTIOUTPin Count Size (mm) Evaluation Board
BD9G101G6V~42VAdjustable (down to 1V)0.5A62.9 x 2.8 x 1.25Yes
BD9G341EFJ12V~76VAdjustable (down to 1V)3A84 x 6 x 1 ~January 2015

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