Analog Devices Inc./Maxim Integrated

The MAX20801 family of Cell-String Optimizers enables cell-string Maximum Power Point Tracking (MPPT), providing superior photovoltaic (PV) module energy harvest and reliability as compared to both standard panels and those incorporating module level MPPT technologies.Photovoltaic cells can only deliver maximum power under specific electrical conditions that vary significantly with exposed irradiance and temperature. Series connections of PV cells creates a significant sensitivity to cell mismatch, resulting in less than optimal power and energy production under real-world conditions. The MAX20801 Cell-String Optimizer enables a string of PV cells to deliver their collective maximum power into a wide range of load conditions. This enhanced electrical flexibility eliminates power loss from mismatch in PV strings and arrays, ultimately improving energy production and system design flexibility.Additional unique advantages provided by the Cell-String Optimizers:Reduction in performance degradation over the PV module operating lifetimeElimination of high losses associated with bypass diode conductionLimit the operating voltage of the PV module

The MAX20806 is a fully integrated, highly efficient, step-down DC-DC switching regulator. It is able to operate from 2.7V to 16V input supplies, and the output can be regulated from 0.5V to 5.8V, delivering up to 6A of load current.The switching frequency of this device can be configured from 500kHz to 3.0MHz and provides the capability of optimizing the design in terms of solution size and performance.The MAX20806 utilizes fixed-frequency, current-mode control with internal compensation. The MAX20806 features a selectable advanced modulation scheme (AMS) to provide improved dynamic load transient performance. The device also features selectable discontinuous current mode (DCM) operation to improve light load efficiency. Operation settings and configurable features can be selected by connecting pin-strap resistors from the PGM_ pins to ground.The MAX20806 has an internal 1.8V LDO output to power the gate drives and internal circuitry (VCC).The MAX20806 integrates multiple protections including positive and negative overcurrent protection, output overvoltage protection, and overtemperature protection to ensure a robust design.The MAX20806 is available in a compact 3.0mm x 2.5mm FC2QFN package that supports -40°C to +150°C junction temperature operation.APPLICATIONSCommunications EquipmentNetworking EquipmentServers and Storage EquipmentPoint-of-Load Voltage Regulators

The MAX20810 is a fully integrated, highly efficient, step-down DC-DC switching regulator with PMBus interface. The device operates from 2.7V to 16V input supplies, and the output can be adjusted from 0.4V to 5.8V, delivering up to 10A of load current.The switching frequency of the device can be configured from 500kHz to 2MHz, to provide the capability of optimizing the design in terms of size and performance.The MAX20810 utilizes fixed frequency, current-mode control with internal compensation. The IC features a selectable advanced modulation scheme (AMS) to provide improved performance during fast load transients. Operation settings and configurable features can be selected by connecting a pin-strap resistors from the PGM_ pins to ground or using PMBus commands.The IC has an internal 1.8V LDO output to power the gate drives (VCC) and internal circuitry (AVDD). The device also has an optional LDO input pin (LDOIN), allowing connection from a 2.5V to 5.5V bias input supply for optimized efficiency.The IC has multiple protections including positive and negative overcurrent protection, output overvoltage protection, and overtemperature protection to ensure a robust design.The device is available in 4.3mm x 6.55mm FC2QFN package. It supports -40°C to +125°C junction temperature operation.ApplicationsData Center PowerCommunications EquipmentNetworking EquipmentServers and StoragePoint-of-Load Voltage Regulators