Vishay announced two new devices in the microBuck family of integrated synchronous buck regulators. The 4 A SiC413 and 10 A SiC417 are DC-DC converter solutions featuring an advanced controller IC with gate drivers, two PWM-optimised n-channel MOSFETs (high and low side), and a bootstrap diode in a standalone buck regulator configuration. The devices offer a wide input voltage range of 4,75 V to 26 V for the SiC413 and 3 V to 28 V for the SiC417, with minimum output voltages down to 0,6 V and 0,5 V, respectively. The regulators minimise EMI by eliminating PCB traces, while the devices’ high- and low-side MOSFETs provide low on-resistance for reduced power losses and better performance. For reliable operation and easy system integration, both devices feature cycle-by-cycle current limiting, enable pin, internal soft start, under-voltage lockout, over-voltage protection, and thermal shutdown at +150°C.
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