FET constant current sources use JFETs and MOSFETs to deliver a load current, which remains constant despite changes in load resistance or supply voltage. A FET constant current source is a type of ...
The LED driver automatically adjusts the output voltage to keep the output current constant and therefore the light output constant. This works with a single LED or with a chain of string of LEDs ...
It isn’t unusual to expect a precisely regulated voltage in an electronic project, but what about times when you need a ...
At first glance, [RobBest]’s constant current source looks old school. The box is somewhat old-fashioned, featuring switches and binding posts. Most importantly, there’s a large analog meter ...
LED applications are booming: backlighting for LCD TVs, projectors, and computer displays, camera flashes, and vehicle brake lights and taillights are just a few. All require constant-current LED ...
XP Power has unveiled two single phase 1.5kW AC-DC power supplies that offer programmable constant voltage (CV) and constant current (CC) operation with analogue and digital interfaces for user ...
Author Mazi Hosseini describes a simple, low-cost, voltage-controlled current source using two op amps that provides a good range of current and maximum load. One challenge in circuit design is ...
This macro-cell is a low power voltage-current reference (1.21V / 600nA) with high accuracy (±0.5% over PVT) after trimming. Trimming capability allows process variation compensation of ... The ...
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