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Solutions Search - Inverting Regulators

High Voltage, High Efficiency Positive to Negative Converter

Victor Khasiev - Applications Engineer Mar 8th 2017
Design Note 561: Introduction Positive to negative conversion (inverting output) is widely used in LCD devices, OLED displays, audio amplifiers, industrial machinery, semiconductor manufacturing process control equipment, measurement tools, testing systems, LED drivers and battery chargers. Many of these applications require ...

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LT3759 Wide Vin, 48V @ >100mA Output Boost Converter that Works Down to 1.6V

Christopher Jarboe - Associate Applications Engineer Oct 3rd 2016
The LT®3759 is a wide input range, current mode, DC/DC controller which is capable of regulating either positive or negative output voltages from a single feedback pin. It can be configured as a boost, SEPIC or inverting converter. An internal LDO regulator draws power from VIN or DRIVE to provide up to a 4.75V supply for ...

Blog Post Circuit LTspice 


How NOT to Damage Your Switching Regulator Demo Board

Christopher Jarboe - Associate Applications Engineer Sep 2nd 2016
Introduction: A great way to develop a design is to start with an existing demo board and modify it. While this simplifies the process, there are a few pitfalls to be aware of so that you do not have to spend time tracking down and replacing damaged components. Below are four common ways to damage your circuit. 1) Improper ...

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Inverting Regulator Takes Inputs Up to 50V and Supports Outputs to 4A

Victor Khasiev - Applications Engineer May 25th 2016
Design Note 552: Introduction Positive-to-negative DC/DC conversion (inverting output) is widely used in LCD devices, OLED displays, audio amplifiers, industrial equipment, measurement tools, test systems, LED drivers and battery chargers. In all of these cases, the inverting converter must be compact, support high power and ...

Blog Post LTspice 


Differences Between the Ćuk Converter and the Inverting Charge Pump Converter

Kevin B. Scott - Senior Strategic Marketing Engineer
Jesus Rosales - Applications Engineer
Mar 7th 2016
The Ćuk converter (also referred to as the two inductor inverting converter), the inverting charge pump and the single inductor inverting converter (also referred to as the inverting buck-boost) all provide a negative output voltage from a positive input voltage. However, engineers often unknowingly refer to these topologies ...

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Monolithic Converter Delivers High Output Voltages

Jesus Rosales - Applications Engineer Nov 4th 2015
Design Note 545: Introduction Industrial, telecom, medical and automotive applications use a wide variety of regulated voltages to operate effectively, including high voltage and negative rails. When the designer is faced with producing industrial power supplies, the job can be simplified by minimizing the parts count, as well ...

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The Low Output Voltage Ripple Zeta DC/DC Converter Topology

Mathew Wich - Design Section Leader
Fu Sun - Design Engineer
Apr 28th 2014
In the world of switching DC/DC converters the Zeta topology is a lesser known relative of the SEPIC topology. Both converters provide a positive output voltage that can be greater than, equal to or less than VIN while avoiding the complexity and cost of a buck-boost converter. The Zeta converter however, has the advantage of ...

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Inverting DC/DC Controller Converts a Positive Input to a Negative Output with a Single Inductor

David Burgoon - Applications Engineer Dec 30th 2013
There are several ways to produce a negative voltage from a positive voltage source, including using a transformer or two inductors and/or multiple switches. However, none are as easy as using the LTC®3863, which is elegant in its simplicity, has superior efficiency at light loads and reduces parts count compared to alternative ...

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Wide Input Voltage Range Boost/Inverting/SEPIC Controller Works Down to an Input Voltage of 1.6V

Zhongming Ye - Applications Engineer Mar 1st 2012
Introduction Many of today’s electronic devices require an inverting or noninverting converter or sometimes both. They also need to operate from a variety of power sources including USB, wall adapters, alkaline and lithium batteries. To produce various polarity outputs from variable input voltages, power supply designers ...

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