[August 06, 2026]

Torex Introduces Automotive AEC-Q100 Grade 1-Compliant 36V/600mA Compact Step-Down DC/DC Converter XD9704/XD9705 Series

Torex Semiconductor Ltd. (Tokyo Japan: President, Takeshi Kimura, TOKYO Prime: 6616) has launched the XD9704/XD9705 series, a new family of automotive step-down DC/DC converters compliant with the AEC-Q100 Grade 1 standard.
The XD9704/XD9705 series is a compact, low-power synchronous buck DC/DC converter with a 36V input rating and 46V peak voltage capability (=400ms), making it suitable for automotive +B power supply applications. It provides up to 600mA output current for communication modules, sensors, and other automotive and industrial systems, while supporting an operating temperature range of -40°C to +125°C.

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Replacement of LDO with XD9704/XD9705 Series

Operating at a 2.2MHz switching frequency, the series enables the use of small inductors and capacitors, reducing the total mounting area to just 48.7mm². With a quiescent current of only 11µA, it achieves up to 90% efficiency under VIN=12V, VOUT=5V, and IOUT=1mA, delivering high efficiency across light to heavy loads while providing an effective alternative to conventional medium- and high-voltage LDO regulators with reduced heat generation.

The XD9704 series features fixed F-PWM control for low-ripple operation, while the XD9705 series employs automatic PWM/PFM mode switching for maximum efficiency over a wide load range. The series is available in the SOT-89-5 package, with the compact DFN1820-6J package (under development) planned to further expand design flexibility for space-constrained automotive and industrial applications.

For more news information, please click:
https://product.torexsemi.com/en/news/product/20260806_4989

For more details on the XD9704, please click:
https://product.torexsemi.com/en/series/xd9704

For more details on the XD9705, please click:
https://product.torexsemi.com/en/series/xd9705

Torex Semiconductor Ltd. is a leading provider of CMOS power management ICs targeted toward battery powered and energy efficient applications. Torex specializes in CMOS analog technology, with LDO voltage regulators, voltage detectors and DC/DC converters making up our core product offering.
Torex website http://www.torexsemi.com/

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