Linear constantcurrent drivers, for instance, offer low EMI, low cost, and use only a few components. Many designers favor them for low-current applications where power loss is a minor concern. If ...
Excerpted from Section 21 of “Analog Circuit Design: Volume 3 – The Design Note Collection“, ISBN: 978-0-12-800001-4. Edited by Bob Dobkin & John Hamburger, Linear Technology Corporation, Milpitas, CA ...