Intersil Announces Industry’s Smallest Dual 3A/Single 6AStep-Down Power Module

ISL8203M delivers compactsolution size, high power densityand efficiency for infrastructure and industrial applications  

Milpitas, Calif. – Jan. 19, 2015 - Intersil Corporation (NASDAQ: ISIL), a leading provider of innovative power management and precision analog solutions, today announced the ISL8203M, a dual 3A/single 6A step-down DC/DC power module that simplifies power supply design for FPGAs, ASICs, microprocessors, DSPs and other point of load conversions in communications, test and measurement, and industrial systems. The module’scompact 9.0mm x 6.5mm x1.83mmfootprint combined with industry-leading 95 percent efficiency provides power system designerswith a high performance, easy to use solution for their low power, low voltage applications. 

The ISL8203M is a complete power system in an encapsulated module that includesa PWM controller, synchronous switching MOSFETs, inductors and passive components to build a power supply supporting an input voltage range of 2.85V to 6V. With an adjustable output voltage between 0.8V and 5V, designers are able to use one device to build a single 6A or dual output 3A power supply. 

Designed to maximize efficiency, the ISL8203M power module offers best-in-class15° C/W thermal performance and delivers 6A at 85°C without the need for heat sinks or a fan. The ISL8203M leverages Intersil’s patented technology and advanced packaging techniques to deliver high power density and the best thermal performance in the industry, allowing the ISL8203M to operate at full load over a wide temperature range. The power module also provides over-temperature, over-current and under-voltage lockout protection, further enhancing its robustness and reliability. 

“Our customers are building increasingly compact DC/DC solutions,” said Mark Downing, senior vice president of Infrastructure and Industrial Power Products at Intersil. “The ISL8203M analog power module offers the smallest footprint for a dual output low power solution without performance compromise, making it possible for customers to get the footprint and the efficiency they require.” 

Key Features and Specifications

  • Dual 3A or single 6A switching power supply
  • High efficiency, up to 95 percent
  • Wide input voltage range: 2.85V to 6V
  • Adjustable output range: 0.8V to 5V
  • Internal digital soft-start: 1.5ms
  • External synchronization up to 4MHz
  • Overcurrent protection 


The ISL8203M power module is available now in a 9mm x6.5mm, QFN package and ispriced at $5.97 USD in 1k quantities. The ISL8203MEVAL2Z evaluation can be purchased for $67 USD each. 

For more information on the ISL8203M power module, please visit:

For more information on the ISL8203MEVAL2Z evaluation board, please visit:

The ISL8203M joins a comprehensive family of analog and digital power modules that provide 1V to 80V input voltage rails and 4A to 33A output current to satisfy a broad range of applications. For more information on Intersil’s full portfolio of analog and digital power modules, please visit:  

About Intersil

Intersil Corporation is a leading provider of innovative power management and precision analog solutions. The company's products form the building blocks of increasingly intelligent, mobile and power hungry electronics, enabling advances in power management to improve efficiency and extend battery life. With a deep portfolio of intellectual property and a rich history of design and process innovation, Intersil is the trusted partner to leading companies in some of the world’s largest markets, including industrial and infrastructure, mobile computing, automotive and aerospace. For more information about Intersil, visit our website at

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