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PWM Buck DC/DC Converter helps conserve board real estate.

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PWM Buck DC/DC Converter helps conserve board real estate.
PWM Buck DC/DC Converter helps conserve board real estate.

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December 16, 2013 - Available in SO-8 or 5-lead SOT-23 package, monolithic APE1723-HF-3 has adjustable output voltage range of 0.745–24 V and can drive 1 A load without external transistor. Step down convertor, operating at fixed switching frequency of 200 kHz, is RoHS compliant and completely free of BFR and halogen. External shutdown function is controlled with logic level signals, and other features include internal compensation as well as thermal shutdown, current limit, and short circuit protections.
Original Press Release

Advanced Power Electronics Corp
3150 Almaden Expressway
San Jose, CA, 95118

New APE1723-HF-3 Step-Down Buck DC/DC Converter from Advanced Power Electronics Corp.

Monolithic design drives 1A load with no external transistor required

San Jose, Ca … Advanced Power Electronics Corp. (USA), a leading Taiwanese manufacturer of MOS power semiconductors for DC-DC power conversion applications, has introduced the APE1723-HF-3, a 200kHz 1A PWM buck DC/DC convertor with an adjustable output voltage range from 0.745V to 24V. The APE1723-HF-3 can drive a 1A load without an external transistor, saving considerable board real estate.  Additionally, the APE1723-HF-3 operates at a fixed switching frequency of 200 kHz, enabling simpler filter components to be used in a design.

The external shutdown function of the APE1723-HF-3 is controlled with logic level signals, putting the device into its low-power standby mode.  A further feature is internal compensation which provides feedback control for excellent line and load regulation, again without the need for additional external components. The device features thermal shutdown for protection against damage in the event of over-temperature operation and has current limit protection and short circuit protection to safeguard the output switch. Output voltage tolerance is guaranteed at ±3% under specified input voltage and output load conditions.

The APE1723-HF-3 is RoHS-compliant and completely BFR/halogen-free to meet current REACH environmental requirements.  It is available in either an SO-8 or a 5-lead SOT-23 package.

For more information, a datasheet can be downloaded at

About Advanced Power Electronics Corp.
Established in Taiwan in 1998, Advanced Power Electronics Corporation (APEC) has become a leading supplier of MOS power discretes, IGBTs and Power ICs which enable cost-effective efficient solutions for new and existing power applications. The company’s wide range of solutions broadly targets the computing, consumer electronics, display, communications and industrial segments. ISO-approved, Advanced Power Electronics Corp. (USA)’s commitment to consistent quality assurance and the increased economies of scale has seen the company increase in revenue - and trade profitably each year since its foundation - and it has been ranked as one of the world's top fifteen power transistor suppliers by iSuppli.

For further information:
Ralph Waggitt,
President/CEO, Advanced Power Electronics Corp. (USA),
Tel: +1 408-717-4231

For press enquiries:
Nick Foot
BWW Communications
Tel.: +44 1491-636393
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