Circuits & Schematics Supply

Subsection: "Supply"
Search results: 431 Output: 1-10
  1. You can improve a current sink's accuracy by at least two orders of magnitude by adding two standard 1%-tolerance resistors. As a bonus, you also compensate for errors that a low-current-gain pass transistor's base current introduces. To do ...
    25-01-2022
  2. Many people consider white LEDs to be the future of lighting. Strung together, several LEDs can replace an incandescent lamp or a compact fluorescent lamp. High-power white LEDs need a dc voltage of about 3.6 V at a current of about 350 mA to ...
    23-01-2022
  3. No matter what portable power source you use, the lower the starting voltage your circuitry operates at, the better. A lower startup voltage also maximizes runtime. Furthermore, to completely discharge the power source, circuitry must run on ...
    14-01-2022
  4. Fellow engineer Sanjay R. Chendvankar of Mumbai, India, recently offered a novel way of reducing current through a relay coil ( see Ref. 1 ). His idea utilized an unused normally closed pair of contacts of that relay to reduce the driving voltage ...
    12-01-2022
  1. This circuit drives a resistive heater element with a low-frequency, pulse-width-modulation (PWM) voltage source, providing heat output that’s directly and linearly proportional to the duty cycle of the drive signal. The circuit’s ...
    04-01-2022
  2. Today's digital ICs typically demand complex voltage sequencing, a task that usually requires dedicated ICs or microprocessors. But what if your requirements are more modest? The sequencing scheme presented here requires only a single ...
    29-12-2021
  3. Linear regulator ICs offer simple, efficient, and effective solutions in a multitude of low- to moderate-power voltage regulation applications. They also provide opportunities for many simple application tricks that stretch their performance and ...
    26-12-2021
  4. Performance under transient loads has become the most important specification of voltage regulators used to power a wide array of products whose current demands vary quickly during operation. Testing transient performance requires a load that can ...
    24-12-2021
  5. With their excellent isolation and reliability, gate-drive transformers (GDTs) are commonly used for driving half-bridge power circuits. However, they pose challenges when you want to have both switches off for an extended period. This application ...
    15-12-2021
  6. Circuits Supply Vishay SI2308DS Si2337DS
    For some ICs, supply voltages should be applied in a particular sequence. One example is the subscriber line interface circuit (SLIC), which, depending on the application, may require several negative and/or positive voltages. The larger voltages ...
    13-12-2021