High-performance three-terminal adjustable current sources

12-02-2015 | RS Components | Power

Available now from RS Components, the Texas Instruments (TI)
LM134/LM234/LM334 are three-terminal adjustable current sources featuring
10,000:1 range in operating current, exceptional current regulation and a
wide dynamic voltage range of 1V to 40V. Current is established with one
external resistor and no other parts are required. Initial current accuracy
is ±3%.

The devices are true floating current sources with no separate power supply
connections. In addition, reverse applied voltages of up to 20V will draw
only a few dozen microamperes of current, allowing the devices to act as
both a rectifier and current source in AC applications, says the company.

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