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Shunt Regulator Circuits
Last Updated on:
Saturday, August 30, 2014 10:28 AM


Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:
AN27 ZR431 Application Note -  Zetec Semiconductors  Applications Notes An introduction to some of  many applications of  versatile ZR431 shunt regulator. Particular emphasis is given to  advantages apparent when employing  Zetex version of this popular part.   (app note added 2/06)
Make a Shunt Resistor -  Make your own rough and ready shunt resistor…. [REUK - Renewable Energy UK website]
Make Your Own Shunts -  Using a modern multimeter to measure current can sometimes be difficult.  Many of these meters will only measure up to one amp.  However, may 112-volt DC powered projects draw a lot more than that. If you have ever thought of purchasing.... [Tony van Roon's circuit]
MOSFET shunt regulator substitutes for series regulator -  25-Nov-04 Issue of EDN  You would normally use a series linear regulator or a dc/dc converter to obtain 3V dc from a higher supply. However, when breadboarding a concept, you may be able to use a shunt regulator, especially if a series regulator of the correct voltage is unavailable. The MOSFET in Figure 1 can replace a zener diode in a shunt regulator and provide lower output impedance than a zener diode.... [Design Idea by Stuart R Michaels, SRM Consulting]

Shunt Constant Current Source -  This extremely simple circuit works well and may be just the thing in certain situations.  Output current is approximately 600mV divided by R2. [Designed by Andrew R. Morris]
Shunt Regulator -  Find out about the uses of shunt regulators and dump load controllers in renewable energy applications…. [REUK - Renewable Energy UK website]

Shunt regulator eases power-supply-start-up woes -  27-Oct-05 Issue of EDN  Ensure regulator start-up under light output load.... [Design Idea by Michael O'Loughlin, Texas Instruments, Nashua, NH; Edited by Brad Thompson and Fran Granville]
Shunt regulator improves power amplifier's current limit accuracy -  2-Feb-06 Issue of EDN  Additions protect output transistor and downstream circuitry.... [Design Idea by John Guy, Maxim Integrated Products Inc, Sunnyvale, CA; Edited by Brad Thompson and Fran Granville]
Shunt regulator monitors battery-voltage -  18-Sep-08 Issue of EDN  A shunt regulator and a handful of associated components function as a battery monitor.... [Design Idea by Vladimir Rentyuk, Modul-98 Ltd, Zaporozhye, Ukraine]
Shunt regulator provides overvoltage protection -  15-Jan-98 Issue of EDN  The circuit in Figure 1 uses a typical technique for varying the output voltage of a power supply via a programmable control voltage. Although the topology and schematic details of the power supply are not critical, the protection technique is noveThis File contains several Design Ideas, please scoll to this one....[This Design Idea by ROBERT N BUONO, MAHWAH, NJ] [Design Idea by ROBERT N BUONO, MAHWAH, NJ]
Shunt regulator serves as inexpensive op amp in power supplies -  15-Sep-05 Issue of EDN  Use low-cost power-regulator IC to replacecostly op amp in power supplies.... [Design Idea by Michael O'Loughlin, Texas Instruments, Nashua, NH; Edited by Brad Thompson and Fran Granville]
Shunt regulator speeds power supply's start up -  12/16/05 EDN-Design Ideas....Reconfiguring the start-up shunt regulator can reduce bootstrap time.... EDN is migrating links. This link is not verified.  Search the "title" + "EDN" for new link.
Shunting Lights for DCC Locomotives -  Digital decoders in model locomotives usually have two outputs for lighting functions. One switches the front lights for forward travel, and the other for reverse travel. If the locomotive has red rear lights, they are also connected to the two outputs. Many digital decoders include function mapping capability, which allows the switch functions to be assigned as desired. For example, with function mapping you can control the lighting not only for normal running, but also for shunting yard operations with the lights lit at both ends of the locomotive.….must register on this site.... [Published in Elecktor July/August 2010]
Use a TL431 shunt regulator to limit high ac input voltage -  25-Oct-07 Issue of EDNThis circuit clamps input-ac voltages to levels safe for the operation of the power MOSFET in an SMPS.... [Design Idea by Todor Arsenov, STMicroelectronics, Prague, Czech Republic]
ZR431 Application Note -  Zetec Semiconductors  Applications Notes An introduction to some of the many applications of the versatile ZR431 shunt regulator. Particular emphasis is given to the advantages apparent when employing the Zetex version of this popular part.   (app note added 2/06)

Shunt Regulator Circuits

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