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Home › Manufacturer › Renesas Electronics releases new digital DC/DC controller
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Renesas Electronics releases new digital DC/DC controller

SemiMediaEdit
July 19, 2018

Renesas announced two PMBusTM-compliant all-digital DC/DC controllers that provide single output point-of-load (POL) conversion for FPGA, DSP, ASIC, network processor and general-purpose system power.

The ISL68300 controller with integrated MOSFET driver and ISL68301 controller with built-in PWM output simplify power supply design for data centers, wired/wireless communications, and factory automation equipment. The ISL68300 can directly drive an external MOSFET, while the ISL68301 can be used with Renesas Electronics' intelligent power stage or DrMOS power stage to create a complete voltage regulator solution.

The ISL68300 and ISL68301 digital controllers feature a high speed current sharing bus that can be connected in parallel with up to eight controllers in an 8-phase 240A + current sharing configuration.

Both controllers use Renesas' digital ChargeModeTM control modulation to respond to load transients in a single switching cycle and provide an inherently stable control loop without external compensation. This modulation architecture significantly reduces the output capacitor requirements and minimizes Vout undershoot and overshoot.

The ISL68300 is optimized for use with discrete MOSFETs in a 4mm x 4mm, 24-pin QFN package and is priced at $2.60 in 1,000-piece quantities.

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