AnalogicTech Expands Integrated Load Switch Portfolio With Introduction of Ultra-High Precision Current Limit ICs

Products Offer Low RDS(ON), Five Percent Precision, Reverse Blocking And Programmability in Compact Solution Size

SANTA CLARA, Calif., June 28, 2011 — (PRNewswire) — Advanced Analogic Technologies, Inc. (AnalogicTech™) (Nasdaq: AATI), an analog semiconductor company focused on powering innovative solutions in consumer, industrial, and communications markets, today introduced the AAT4616 SmartSwitch™ family of fully adjustable, low RDS(ON), ultra-high precision current limited P-channel MOSFET power switches designed for high side load switching applications. Offering precision-current-limit capability as tight as +/- five percent, the AAT4616 family allows system designers to reduce the margin they would otherwise typically have to implement in their systems. This allows products such as HDTVs, set top boxes and tablet computers to maximize the power usage from their USB or other supply rails and buses.

(Logo: http://photos.prnewswire.com/prnh/20050829/SFTU089LOGO)

"In previous generations of our Load Switch Family, we integrated many discrete functions into space saving, single-chip solutions," said Roger Smullen, Director of Strategic Marketing for AnalogicTech. "With the introduction of the AAT4616 family, we deliver the same high performance, fully integrated solution with the added benefit of ultra-high precision current limiting. Whether our customers are producing HDTVs, tablets, set top boxes or 3G/4G USB datacards, they must constantly improve the performance, cost, size and efficiency of their products, and the AAT4616 products help them achieve those goals."

The AAT4616 family broadens the AnalogicTech Integrated Load Switch family by adding the ultra-high precision (+/- five percent) AAT4616 and the high precision (+/-10 percent) AAT4616A to the existing family of current limit devices. System designers can also pick from a broad set of options to select the best device for their end product, including: active hi/lo enable, fault flag/no fault flag, resistor settable current limit, precision, and multiple package choices, among others. The comprehensive options and benefits available from the AAT4616 family deliver maximum flexibility to meet a full range of product design requirements.

Further, the AAT4616 family incorporates a host of protection features including reverse blocking, over temperature shutdown, short circuit protection and fast transient response to ensure safe system operation. Finally, the SOT23-5 versions of the AAT4616 family are pin compatible with the previous generation AAT4610 and AAT4614 parts, which facilitates upgrading an existing end product to a higher performance current limit IC with a drop-in replacement.

The AAT4616 family is priced from US$0.54 to US$0.61 @10K units, depending on part and features. For other quantities, contact AnalogicTech or its distributors. The AAT4616 and AAT4616A are currently shipping.

Key Features:

  • Input Voltage Range: 2.4V to 5.5V
  • Programmable Over-current Limit Setting
    • 300mA to 1.6A
  • +/-5 percent High Current Limit Accuracy at 750mA (AAT4616)
  • +/-10 percent High Current Limit Accuracy at 750mA (AAT4616A)
  • Fast Transient Response:
    • 2us Response to Short Circuit
  • Low Quiescent Current
    • 10uA Typical while Enabled
    • 1uA Max with Switch Off
  • 130m Ohm Typical RDS(ON)
  • Under-Voltage Lockout (UVLO)
  • Reverse Blocking During Disable
  • 4ms Fault Masking at Start-up (Capacitive Load)
  • Fault Flag Open Drain Output (TDFN22-6 and TDFN22-8 Packages Only)
  • Active Hi/Lo Enable Options
  • Over Temperature Protection
  • SOT23-5 and TDFN22-8 Package (AAT4616)
  • TDFN22-6 Package (AAT4616A)
  • Temperature Range: -40 degrees C to +85 degrees C

About Advanced Analogic Technologies, Inc.:

Advanced Analogic Technologies, Inc. (AnalogicTech™) (NASDAQ: AATI) develops advanced semiconductor system solutions that play a key role in the continuing evolution of feature-rich, energy efficient electronic devices. The company focuses on addressing the application-specific power management needs of consumer devices such as mobile handsets, digital cameras, and netbooks/notebooks, as well as devices in a broad range of industrial, medical and telecom applications. AnalogicTech also licenses device, process, package, and application-related technologies. Headquartered in Silicon Valley, AnalogicTech has design centers in Santa Clara and Shanghai, and Asia-based operations and logistics. For more information, please visit www.analogictech.com (AnalogicTech - G).

The AnalogicTech logo is a registered trademark of Advanced Analogic Technologies, Inc. AnalogicTech is a trademark of Advanced Analogic Technologies, Inc. All other brand and product names appearing in this document are registered trademarks or trademarks of their respective holders.

SOURCE Advanced Analogic Technologies, Inc.

Contact:
Advanced Analogic Technologies, Inc.
Phil Dewsbury of AnalogicTech
Phone: +1-408-330-1620
Email Contact
Amy Smith of Impress Public Relations
Phone: +1-401-369-9266
Email Contact
Web: http://www.analogictech.com




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