Low-power regulator packaged in 4-pin WCSP

Munich, Germany—Seiko Epson Corp. is housing its positive-voltage CMOS regulator chip, dubbed the S1F78B17, in a WCSP 4-pin package measuring 0.92 mm x 0.92 mm.

The S1F78B17 provides low current consumption of 30-µA and comes equipped with standard voltage supply, output voltage setting resistance, overcurrent protector, output voltage drop compensator, phase compensator, chip enable buffer, and pulse response function.

The S1F78B17 provides functions such as low output noise, fast transient response, and high load stabilization at a high degree of precision. In addition to the ultra-compact WCSP 4-pin package, Epson will also offer a compact SOT-23 5-pin package for use in cellular phones, battery powered devices, and other systems that require high-density packaging.

Epson plans to release samples of this product in August 2007 and launch volume shipments in November 2007.

Seiko Epson Europe Electronics GmbH, +49/(0) 89/14005-374,

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