Maxim recently introduced the MAX15027–MAX15030 low-dropout (LDO) linear regulators that operate from a 1,425 V to 3,6 V input voltage and deliver up to 1 A (MAX15027/MAX15028) or 500 mA (MAX15029/MAX15030) of output current. In addition, the MAX15028 and MAX15030 feature a bias input that allows them to be powered from an independent supply, making them suitable for always-on power supplies in automotive applications. The bias input allows the regulator's input to reduce current to a mere 2 μA during shutdown. The regulators can dissipate up to 1,9 W at +70°C and are suitable for a wide array of applications, including networking, storage, server and telecom equipment.
The MAX15027–MAX15030 offer ±2% accuracy over line, load and temperature, as well as a dropout voltage as low as 75 mV (MAX15027/MAX15028) or 40 mV (MAX15029/MAX15030) under full load. Other features include a capacitor-adjustable soft-start input, an enable input, and an adjustable feedback input to set the output voltage from 0,5 V to 3,3 V.
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