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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
  • 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
  • Switching Regulators
    of the circuit. The basic circuit can be configured to step up (boost), step down (buck), or invert output voltage with respect to input voltage. Switching regulators operate by passing energy in discrete packets over a low-resistance switch, so they can step up, step down, and invert. In addition, they offer
  • 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
  • How to design boost, SEPIC and flyback regulators with Wide VIN boost power Ics
    data ports, power bank for mobile devices, and tablet docking stations among others. In these applications, input power usually comes from low voltage batteries, solar panels, or other low voltage rails, while a higher output voltage is desired which makes a boost (step-up) DC/DC regulator essential.
  • 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
    will summarize the set-up, methodology, and practical measurement guide lines to accu. rately measure input and output voltage ripple (or switching noise). These measurement techniques are. equally suitable to all SMPS DC'DC topologies, as well as charge pump (switched capacitor) reguLators. Other. techniques

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