Breaking News

80V, 98% Efficient, 4-Switch Synchronous Buck-Boost Controller IC with 4 Regulation Loops Enable the Design of Many High Power and Flexible Power Conversion Circuits.

In today’s modern electronic systems, the need for power conversion circuits that can do more then simply convert one voltage to another is growing. Some systems require a constant current, constant voltage output, while others may require a limit on the maximum current that can be drawn from the input. Still others may require the power conversion chip to be interfaced to a micro-controller so that other parameters can be both measured and controlled. All of these requirements are in addition to the normal requirements of very high conversion efficiency and high operating voltage ranges. Linear Technology’s LT®8705 is a buck-boost controller IC with 4 regulation loops which can operate from an input voltage up to 80V and generate an output voltage up to 80V. The LT8705 can operate with input voltages above, equal to, or below the desired output voltage and do so while achieving over 98% conversion efficiency. It smoothly transitions from buck region to buck-boost region to boost region as the relationship between input and output voltage changes. The integrated strong gate drivers allow a single LT8705 circuit to process up to 250 Watts of power. The LT8705 has 4 regulation loops built in. These loops can be set up to regulate output voltage, output current, input current and input voltage. Any combination of these loops can be used in a given system. Status pins can be used to indicate which loop or loops are active at a given moment. The LT8705 also includes a built in linear regulator, useful for powering other loads such as a micro-controller.
NO RATINGS
2/27/2013 03:16 PM EST | Post a comment
Related Videos
Linear Technology
This video explores the LT3086, a new member of our LDO+ ...
In today’s modern electronic systems, the need for power ...
Differential op amps are important building blocks in ...
Wireless sensor networks in general have a wide array of ...
11:42
LDO+ regulators do more than just regulate. They include ...
Bandwidth has become more precious than gold. As we push ...
The digital power supply market has achieved rapid progress ...
Linear Technology’s LTM®4620 uses a proprietary lead frame ...
Pulsed loading conditions and abnormal disturbances within ...
With the increased-use of electronics in automotive and ...
Linear Technology’s LT®3970/LT3971 lead the industry in ...
The LTC3639 step-down regulator integrates key high ...
EE Life
Frankenstein's Fix, Teardowns, Sideshows, Design Contests, Reader Content & More
Max Maxfield

Creating New Faceplates for Antique Analog Meters
Max Maxfield
40 comments
I've currently got a couple of hobby projects on the go that feature the use of antique analog meters. For example, there's my Inamorata Prognostication Engine and its companion, the ...

EDN Staff

11 Summer Vacation Spots for Engineers
EDN Staff
11 comments
This collection of places from technology history, museums, and modern marvels is a roadmap for an engineering adventure that will take you around the world. Here are just a few spots ...

Glen Chenier

Engineers Solve Analog/Digital Problem, Invent Creative Expletives
Glen Chenier
11 comments
- An analog engineer and a digital engineer join forces, use their respective skills, and pull a few bunnies out of a hat to troubleshoot a system with which they are completely ...

Larry Desjardin

Engineers Should Study Finance: 5 Reasons Why
Larry Desjardin
45 comments
I'm a big proponent of engineers learning financial basics. Why? Because engineers are making decisions all the time, in multiple ways. Having a good financial understanding guides these ...

Flash Poll
Top Comments of the Week
Like Us on Facebook
EE Times on Twitter
EE Times Twitter Feed

Datasheets.com Parts Search

185 million searchable parts
(please enter a part number or hit search to begin)