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  • Linear Voltage Regulators
    Linear voltage regulators use an active pass element (bipolar or MOSFET) to drop the input voltage down to the regulated output voltage. They operate by using a voltage-controlled source to force a fixed voltage to appear at its output terminal. Control circuitry monitors this output voltage
  • DC/DC Converters With Linear Regulators
    is required, the ripple of a switching regulator can be reduced by a linear regulator. The output ripple of a standard DC/DC converter is between 0.5% and 1% of its nominal output voltage. For applications that require a lower output ripple, linear regulators can be used to reduce a converter's output
  • Switching Regulators
    higher efficiency than linear regulators. The one disadvantage of the switching regulator is noise. Any time charge is moved in discrete packets, noise or ripples are created. But noise can often be minimized using specific control techniques and through careful component selection.
  • The lowdown on lowdropout regulators
    and rectified to 12 or 24 Vdc. These values get stepped down to a lower dc voltage. A step-down switching regulator typically performs the dc/dc conversion for maximum power conversion efficiency. Switching regulators display conversion efficiencies over 90% compared to the maximum 50% of linear regulators
  • Protection For Switching Regulators
    Step down regulators are used to convert a higher DC voltage to a lower required DC voltage. Switching regulators offer higher efficiency than the linear regulators, excellent load step response and higher output currents. They are also more expensive than linear regulators and produce more noise
  • Circut Ideas: LED driver lights three LED strings and provides constant voltage supply
    are designed to light multiple strings of LEDs. For instance, Linear Technology 's LT3476 can drive four LED strings, totaling 100 W. The chip is basically a constant-frequency, currentmode regulator. In applications where there are leftover driver channels, the extra channels can be applied to the task
  • DC/DC Conversion
    . A basic linear regulator has three main components: an operational amplifier, a voltage reference and a pass transistor. The main purpose of a linear regulator is to produce a constant, accurate output voltage at a lower magnitude than the input voltage. Beyond the basics, linear regulators often offer
  • Requirements for Industrial Sensor Applications
    on the internal supply voltage of the IC. Thus a voltage controller is needed that effectively suppresses power supply fluctuations. In the simplest case a linear regulator can be used.

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