Converter Has Less Than 1 mVpk-pk Noise

Said to dramatically reduce conducted and radiated noise by controlling voltage and current slew rates of its internal power transistor, the LT1534 dc-to-dc converter, in a typical boost conversion application, produces a 12V output with less than 1 mV_pk-pk ripple and high-frequency noise. It lets the user carefully control the rise and fall times of the power transistor drive signals to reduce switching harmonics. Input voltage is 2.7V to 23V drawing 12 µA quiescent in shutdown for battery operated applications. LT1534 dc-to-dc converter also includes a complete current-mode switching regulator with oscillator, error amplifier, protection circuits, and 2A current limited power switch.