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Product overview

The PM823 is an efficient low-cost power regulator. It consists of two 1.5 A buck

regulators and one 525 mA LDO. The LDO can be powered by the buck converter output

(≥1.6 V) to minimize the power loss and simplify the system thermal de-sign.

The PM823 is optimized for module applications. It minimizes the PCB footprint and

BOM cost. The PM823 12-bump WLCSP package provides the smallest footprint for the

state-of-the-art module applications. For general purpose applications, the 24-pin QFN

package can meet the low-cost PCB requirements. The QFN package also provides

additional functions such as power good outputs.

The PM823 Dynamic Voltage Scaling (DVS) feature supports the latest SoC and

processor power control scheme. The PM823 also supports Adaptive Voltage Scaling

(AVS). The serial interface can be used to program the device to meet different

application requirements.

Features

? Supports 2.7 V~5.5 V operating voltage

? Two 1.5 A synchronous buck converters

? Single LDO supports up to 525 mA

? Ultra low 15 μA sleep current

? 3 MHz switching frequency

? High output voltage accuracy

? Supports both DVS and AVS

? Single wire proprietary serial interface

Package options

? WLCSP-12 lead (0.35 mm ball pitch)

? QFN-24 lead (0.5 mm pin pitch)

Applications

? IoT devices

? Wi-Fi modules

? Smart home devices

? Cameras, printers

? Smart appliances

? Wi-Fi hubs, Access Points (APs)

? Set top boxes