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  • Output Voltage Ripple in Step-Down and Step-Up Switching Regulators
    Output voltage ripple is always an important performance parameter with DC-DC converters. For inductor-based switching. regulators, several key factors can affect this important parameter, including switching frequency, duty cycle, and. output capacitor value. Step-down and step-up switching
  • Step-Up Switching Regulators
    When a low DC voltage source is used to power circuitry operating at high voltage levels, a step-up (boost) converter can be used. The input (lower voltage) is utilized to charge a passive component, such as a capacitor or inductor by the switching action of a transistor(s). Energy is stored
  • DC/DC Converters With Linear Regulators
    regulators, which are switching circuits designed around a PWM energy- storing element, such as an inductor or capacitor, to step up or step down a voltage source. Switching regulators offer higher efficiency than linear regulators, but they also feature higher voltage ripple. When a low ripple
  • Inductor-Based Step-Up Switching Regulators
    Inductor-based, step-up switching regulators offer high efficiency, small size and lower cost than isolated switching regulators (DC/DC converters). They are used to amplify (step up) the voltage of a lower voltage source or battery. The inductor stores energy during the on time of the switching
  • Buck-boost Converters
    Buck-boost converters can be used for either step-up or step-down conversions. They can also be used to reverse or invert voltage polarity. With buck-boost converters, the inverting regulator converts a DC input voltage to a DC output voltage that is opposite in polarity to the input. The negative
  • Ripple and Noise Measurements with DC/DC Switch-Mode Power Supplies
    As switching frequency and switching speeds continue to increase, special care should be taken to ensure. accurate measurement of input and output voltage ripple in switch mode DCIDC power supplies (SMPSs). There is no industry standard to measure ripple and noise in DCI'DC converters. Test set-up
  • Buck Boost vs. Buck Converter Battery Life for Portable 3.3V Micro Hard Disk Drive Applications
    drive voltage of. 3.3V, an obvious dilemma associated with this application is whether to use a low dropout DC/DC step-down. (buck) converter or a step-down/step-up (buck-boost) converter. A buck converter (Figure 1) provides the most efficient solution with the smallest external components
  • "VICBricks " Utilize a PRM-VTM Chip-set in a Standard Quarter-Brick Package
    VICBricks, high performance DC-DC converters from Vicor Corp. are only a quarter-inch high and conform to industry-standard quarter-brick footprint and pin outs. VICBricks feature a V I Chip-set, a Pre-Regulator Module (PRM) and a Voltage Transformation Module (VTM), surface mounted on a …

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