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DC/DC converter packs fault alarm

Posted: 31 May 2010     Print Version  Bookmark and Share

Keywords:DC/DC converter  fault alarm  Power-System-in-Package 

PI3101 DC/DC converter

Picor debuts the PI3101 Cool-Power high-density isolated DC/DC converter that combines isolation, voltage transformation and output regulation into a surface-mount Power-System-in-Package platform with a tiny footprint making it well-suited for applications where board space, airflow and height dimensions are critical.

It delivers 60W of output power in half the size of existing products.

The PI3101 delivers over 105W per square inch. The PI3101 operates over a wide input voltage range of 36V to 75Vdc while providing a regulated 3.3V output at up to 18A output current. The PI3101 can withstand input voltage transients of up to 100V for 100ms and provides 2250V input-to-output isolation.

The Cool-Power family is built on a proprietary ZVS topology using advanced control silicon integration, state of the art planar magnetics and high performance power semiconductor technology, enabling switching frequencies in excess of 1MHz. The PI3101 provides the system designer with a simple solution that requires very few external components and achieves up to 87% efficiency. Fast transient response to dynamic loads limits the requirement for output bulk capacitance and EMI performance is significantly improved due to the inherent low noise and high frequency characteristics of the product.

The PI3101 is fully equipped with a variety of programmable features including: ±10% output voltage trimming, programmable soft-start capability, remote on/off ENABLE and an accurate temperature monitor function that provides an analogue output voltage proportional to the internal temperature of the product, serving also as a fault alarm. The PI3101 is self-protected against various fault conditions including: input over-voltage and under-voltage lockout with auto-restart capability, over-temperature and output over-voltage protection with auto- restart capability and a dual current limit threshold to protect against short circuits and overload conditions.

Pricing for the PI3101 is Rs.1,383.92 ($29.97) each in 1,000 units. The PI3101 is sampling now with full production volumes expected by the end of Q2.

- Ismini Scouras

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