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Design Techniques for Signal Conditioning with Anglia and Analog Devices, register now for a Free Workshop place

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Intersil introduces AEC-Q100 qualified, automotive version of popular dual synchronous step-down DC/DC regulator

Intersil has developed an AEC-Q100 qualified version of the ISL8088 – an industry-leading, high efficiency, dual synchronous step-down DC/DC regulator. The ISL78228 is designed to provide regulated power for use in remote safety cameras, infotainment systems, control modules and many other space-constrained automotive applications.

The device delivers up to 800mA continuous current from each of its two independent outputs. Its 2.75V to 5.5V input voltage range permits powering from common 3.3V and 5.0V automotive supplies. The internal current-mode compensation provides fast transient response and allows for 100% duty cycle operation for low dropout. This also simplifies circuit design by eliminating the need for external compensation components.

The ISL78228 operates at 2.25MHz switching frequency (and can be synchronized up to 4MHz) allowing the use of small, low cost inductors and capacitors. Each channel is optimized for generating an output voltage as low as 0.6V. It also features an integrated 2ms digital soft start and Power Good output. The enable pin facilitates power sequencing and the soft-stop function ensures output capacitors are discharged when switching to shutdown. Its low 30uA quiescent current minimizes standby power consumption. The compact package and high (>90%) efficiency makes the ISL78228 an ideal design choice for in-car ultra-compact regulated power applications.

Pricing and Availability
The ISL78228 is available now in a compact 3mm x 3mm 10-pin DFN package with 0.9mm maximum height. Qualified operating temperature range for the ISL78228 is -40 to 105°C.

For more information please visit http://www.intersil.com/products/deviceinfo.asp?pn=ISL78228.

For more information, or details on the full range of Intersil products available from Anglia, please email info@anglia.com

Alternatively, click on this link to go to the main Intersil section where you can view other news articles and product data.

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