ROHM – Step-Down Switching Regulators With Built-In Power MOSFET BD9G101G

The new switching regulator series designed to meet the high operating voltage, extended temperature, and small layout requirements demanded of today’s high performance, space-constrained power supply applications. Delivering extremely high power efficiency over a wide current load, ROHM’s new switching regulators are optimized to support a comprehensive range of industrial, consumer and battery-powered equipment power supplies. As users demand increased performance from smaller and smaller power supply applications, ROHM’s expanded DC/DC switching regulator line offers significant efficiency advantages over other voltage regulators and permits designers to further shrink board sizes.
ROHM’s BD9G10H DC/DC converter features a high and wide input voltage range (VCC=6V~42V), an integrated internal high-side 42V power MOSFET, and provides 0.5A of DC output.

Feature Sets in Detail:

The BD9G101G gives power supply designers a wide operating voltage range from 6 to 42V with extended operating temperature (-40 to 105C) in a very small SOT23 (SSOP6) package that measures only 2.9×2.8×1.25mm. Its fixed 1.5MHz operating frequency allows the use of small inductors and ceramic capacitors. With a 45V/800mΩ internal power MOSFET that delivers greater efficiency, the BD9G101G delivers 0.75V±1.5% feedback pin voltage and integrates overcurrent protection, under voltage lock out and thermal shutdown functions.

Applications:

  • Battery-Powered, Secondary POL, Distributed Power Supplies
  • Power supplies in:
  • LCD TVs
  • Broadband/Communications Equipment
  • Printers
  • Notebook/Tablet PCs, Servers
  • Gaming Equipment
  • Storage Devices (HDDs/SSDs)

Evaluation boards supporting the two products are available through distribution.

About ROHM Semiconductor
ROHM Semiconductor is an industry leader in system LSI, discrete components and module products. ROHM’s proprietary production system, which includes some of the most advanced automation technology, is a major factor in keeping it at the forefront of the electronic component manufacturing industry. In addition to its development of electronic components, ROHM has also developed its own production system so that it can focus on specific aspects of customized product development. ROHM employs highly skilled engineers with expertise in all aspects of design, development and production. This allows ROHM the flexibility to take on a wide range of applications and projects and the capability to serve valuable clients in the automotive, telecommunication and computer sectors, as well as consumer OEMs.

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