ir38060 1 www.irf.com ? 2015 international rectifier submit datasheet feedback june 11, 2015 highly integrated 6a single-input voltage, synchronous buck regulator with pmbus interface features description ? internal ldo allows single 21v operation ? output voltage range: 0.5v to 0.875*pvin ? 0.5% accurate reference voltage ? programmable switching frequency up to 1.5mhz using rt/sync pin or pmbus ? internal soft-start wi th pre-bias start-up ? enable input with voltage monitoring capability ? remote sense amplifier with true differential voltage sensing ? fast mode i2c and 400 khz pmbus interface ? sequencing and tracking capable ? selectable analog mode or digital mode ? 75 pmbus commands for configuration, control, fault protection and telemetry. ? thermally compensat ed current limit with configurable overcurrent responses ? optional light load efficiency mode ? external synchronization with smooth clocking ? dedicated output voltage sensing protection which remains active even when enable is low. ? integrated mosfets and bootstrap diode ? operating junction temp: -40 o c ir38063 2 www.irf.com ? 2015 international rectifier submit datasheet feedback june 11, 2015 basic application figure 1: typical application circuit pinout diagram pvin ? 1 boot ? 2 track_en ? 3 vp ? 4 vsns ? 5 fb ? 6 comp ? 7 19 ? scl/ocset 18 ? sda/imon 17 ? salert/tmon 20 ? p1v8 21 ? vin 22 ? vcc 23 ? pgnd 25 ? pgnd 24 ? sw 8 ? rso 9 ? rs \ 10 ? rs+ 11 ? pgood 13 ? lgnd 12 ? pgnd 14 ? rt/sync 15 ? en/fccm 16 ? addr 26 ? nc figure 2: ir38060 package (top view) 5mm x 6mm pqfn
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