The MAX17480 fixed-frequency step-down regulator suits the AMD serial VID interface (SVI) CPU. The device features two high-current SMPSs for the CPU cores and one 4A internal switch SMPS for the Northbridge core. It provides an adjustable switching-frequency ranges of 100 to 600 kHz for the CPU core and 200 kHz to 1.2 MHz for the Northbridge core. All three SMPSs can be independently programmed to any voltage using AMD’s SVI.
The two CPU-core SMPSs operate 180 out-of-phase and can be configured as independent outputs or as a combined output. The regulator offers transient detection and transient phase-repeat capabilities. It also provides thermal, OV, UV, UVLO protection. (From $5.66 ea/1,000 available now.)
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