The MPQ3425 is a current-mode, step-up converter with a 3.5A, 90mΩ internal switch that provides a highly efficient regulator with fast response. The MPQ3425 features a programmed frequency of up to 2MHz that provides easy filtering and low noise. An external compensation pin allows for flexibility in setting loop dynamics and operates with small, low-ESR ceramic output capacitors. The soft start feature provides a small inrush current and can be programmed with an external capacitor. The MPQ3425 operates with an input voltage as low as 3.1V, and can generate 48V at up to 350mA from a 12V supply.
Full protection features include under-voltage lockout (UVLO), current limiting, and thermal overload protection. The MPQ3425 is available in a low-profile QFN-14 (3mmx4mm) package with an exposed pad.
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