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Analog Devices MAX38802 and MAX38803 Step-Down Switching Regulators are fully-integrated, highly-efficient switching regulators for applications operating from 6.5V to 14V input supplies that require up to 25A maximum load. These single-chip regulators provide a compact, high-efficiency, power-delivery solution for precision outputs that demand fast transient response.
The MAX38802 and MAX38803 have different programmability options to enable a wide range of configurations. The programmable features include internal and external reference voltage, output voltage setpoint, switching frequency, overcurrent protection level (OCP), and soft-start timing. Discontinuous current mode (DCM) operation can be enabled through pin-strapping to improve light-load efficiency.
The MAX38802 and MAX38803 include multiple protection and measurement features. Positive and negative cycle-by-cycle OCP, short-circuit protection and overtemperature protection (OTP) ensure a robust design. Input undervoltage and overvoltage lockout shut down the regulator to prevent damage when the input voltage is out of specification. Regulation is halted in case of an output overvoltage (OVP) event. A status pin indicates that the output voltage is within range and the output voltage is in regulation. The devices have an analog output that can be configured to report output current or junction temperature with ±5% and ±8°C accuracy, respectively.
The Analog Devices MAX38802 and MAX38803 Step-Down Switching Regulators are available in a compact 2.2mm x 3.8mm WLCSP27 package that provides low thermal resistance and minimizes the PCB area.
