V24C28M100BF

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DC-DC converters are widely used in many applications, depending on the specific application. In this article we will focus on the application field and the operating principle of the V24C28M100BF DC-DC converter.

The V24C28M100BF converter is a non-isolated buck regulator with an ultra-small package. It is designed to work from a wide 3V to 28V input voltage range and produces a 0.9V to 24V voltage output. The device features programmable soft-start, high precision, no sub-harmonic oscillation, fast transient response, and built-in UVLO and OTP protection methodology. It offers adjustable current output of 0.6A-2.8A and is capable of providing high peak current for up to 10ms. Its operating frequency is programmable between 300KHz and 1.2MHz and operates without the need of external inductor or MOSFETs due to its integrated synchronous rectifier and excellent efficiency of up to 95%.

The V24C28M100BF converter is used in wide range of applications, such as industrial automation, medical, networking and communication systems, POS terminal, point-of-load (POL) conversion, consumer and electrical appliances, power-on reset, automotive infotainment, automotive power train, and many other applications that require small form factor and high efficiency. It can be used to convert a voltage source to a higher or lower level voltage for a specific application.

The core of the V24C28M100BF converter is a step-down DC-DC converter, also known as a "buck converter". This type of converter is used to convert a higher input voltage to a lower output voltage. It uses an inductor in series to store energy and a power switch in order to send the required energy to the output. The inductor stores and releases the energy required by the output. The power switch is used to turn the circuit "on" and "off". A capacitor across the output provides the local input capacitance to improved the transient response.

The V24C28M100BF converter is also featured with an internal oscillator, which controls the power switch, and an internal current Sense amplifier, which senses the current in the circuit. The circuit operates in continuous conduction mode (CCM) and boundary conduction mode (BCM). In CCM, the inductor current is continuous with constant amplitude and in BCM, the peak inductor current drops from a constant to zero in each switching cycle. The converter also features an adjustable soft-start and built-in under-voltage protection to protects the converter device from damage.

In conclusion, the V24C28M100BF DC-DC converter has a wide range of applications due to its small form factor and high efficiency, including industrial automation, medical, consumer and electrical appliances, automotive infotainment and power-train systems, and many other applications. Its operating principle is based a step-down DC-DC converter, where an inductor is used to store and release energy and a power switch controlling the flow of energy to the output. The device features adjustable soft-start, integrated synchronous rectifier, programmable operating frequency, and a current monitor.

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