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DC To DC Boost Converter

the Boost Converter: Structure and Design.This article discusses key initial design tasks for the step-up voltage regulators and describes.
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DC To DC Boost Converter

Introduction DC-DC Boost Converter :

Introduction of the Boost Converter: Structure and Design. What is the boost converter? This article discusses key initial design tasks for the step-up voltage regulators and describes it is structure. In the last article series, LTspice helped us to examine the features of a step-down switching regulator’s power stages. The next batch of articles would continue using LTspice to explore the design and electrical behavior of the switch-mode power supplies but with a focus on regulator topologies other than the buck converters.

We’ll start with the circuit commonly known as the boost converter and step-up regulator. In this article, we’ll discuss its design; in future articles, we’ll explore its basic operation and take a close look at the current and voltage waveforms.


  1. Output power :450W
  2. Efficiency :94.5% at half load
  3. Functions :Remote control, trim function, Sense;
  4. Input LVP :output OVP and OCP, OTP
  5. Isolation :Basic Insulation Safety
  6. UL :UL60950
  7. TUV/CE : IEC/EN60950
DC To DC Boost Converter

Circuit Operation:

Boost Converter: Basics, Working, Design & Operation We have all come across pesky situations where we need a slightly higher voltage than our power supplies could provide. We need 12 volts but they have only a 9-volt battery. Or maybe we have the 3.3V supply when our chip needs 5V. That too, in most cases, the current draw was quite decent.

Eventually, we also asked ourselves the question, is it possible to convert one DC voltage to another?

dc dc boost converter circuit operation

Lucky for us, the answer is yes. It was possible to convert one DC voltage to another, however, the methods were slightly on the clever side.

And no, it does not involve the conversions of DC to AC and back again. As it involves too many steps. Anything that has too many steps is inefficient; this is a best life lesson too.

Enter the world of switch mode DC-DC converters! They were called switch mode because there’s usually a semiconductor switch that turns on and off very rapidly.

Read Also:

How the DC To DC Boost Converter Work:

We would consider the principles of how to step-up (boost) converter operates, and most importantly, current and voltage feedback, using a homemade LED flashlight as an example.

Pulse power converters (or voltage converters, as they are generally called) have long been integral parts of electronic technology. The fact of the matter is, that chemical current sources such as the batteries and accumulators produce low voltage, while many other devices, primarily those based on vacuum and gas-discharge lamps, require voltage.

The basis for today's DIY kit was the ready-made ICSK034A from icstation.com. This is a kit for assembling a 5 to 12-volt steps-up converted.

Frequently Asked Questions

What are the two main types of DC-DC converter?

There are 2 types of DC/DC converters: linear and switched. A linear DC/DC converter uses a resistive voltage drop to create and regulate a given output voltage, a switched-mode DC/DC converts for storing the input energy periodically and then releasing that energy of the output at a different voltage.

What is a DC-DC converter or chopper?

A chopper is a static device that is used to obtain a variable DC voltage from a constant DC voltage source. Also known as a dc-to-dc converter. They could step up the DC voltage or step down the DC voltage levels.

How does a DC-DC converter increase voltage?

Switching converters or switched-mode DC-to-DC converters store the input energy temporarily and then release that energy to the output at a different voltage, which may be higher or lower.

What is peak current mode?

Peak current-mode control is implemented for an inner current loop, composed of a current sensing circuit, Ri, with a slopes compensation (saw-tooth ramp) circuits. The sensed current ramp is summed with the saw-tooth ramp and then compared with the output of the error amplifier, VC.

Is a DC-DC converter a regulator?

DC/DC converters regulate electric power for turning on and off switching elements (FETs, etc.). On of the other hand, LDO regulators regulate power supply by controlling the on-resistance of FETs. DC/DC converters are highly efficient in converting electricity for the switching control

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