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Occupying a small footprint to ease PCB design, the AONZ66412 MOSFET from Alpha & Omega targets buck-boost converters in USB PD 3.1 EPR purposes. Whereas the three.1 Prolonged Energy Vary specification permits energy supply as much as 240 W over a USB Sort-C cable and connector, the AONZ66412 addresses probably the most generally used energy vary of as much as 140 W at 28 V.
The AONZ66412 combines two 40-V N-channel MOSFETs organized in a half-bridge configuration inside a symmetric XSPairFET 5×6-mm bundle. When used to interchange two single 5×6-mm DFN packages, the compact AONZ66412 reduces PCB space, improves effectivity, and simplifies the structure of a 4-switch buck-boost structure.
Alpha & Omega’s XSPairFET DFN is a bottom-side supply bundle. Every high-side and low-side MOSFET gives a most on-resistance of three.8 mΩ. The supply of the low-side MOSFET is instantly linked to a big paddle on the lead body. This setup enhances thermal efficiency by enabling direct connection of the paddle to the PCB’s floor airplane. When examined, the AONZ66412 demonstrated 97% effectivity at 1 MHz beneath typical USB PD 3.1 EPR situations with a 28-V enter, 17.6-V output, and 8-A load.
The AONZ66412 twin MOSFET prices $1.56 every in a number of 1000 models. It’s accessible now in manufacturing portions with a lead time of 16 weeks.
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