Power supply controller with a 25 µA quiescent current
The MAX8734AEEI+ is a power supply controller from Analog Devices in a 28-QSOP package. Its 25 µA supply current is the bias the controller draws from the input rail — for a system that stays in a low-power state between active bursts, this quiescent load matters more than the switching-stage efficiency at full load. The input voltage range spans 4.5 V to 24 V, covering common intermediate bus rails from 5 V to 24 V without a separate pre-regulator.
Package and board-fit
The 28-QSOP footprint matches the standard SSOP-28 land pattern — no special pad geometry needed. Surface-mount assembly with a typical reflow profile for a 1.6 mm-thick board.