V24A15T400BG

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DC-DC converters are important devices that enable electronic systems to transfer electrical energy from one DC voltage level to another while it regulates voltage and current and allows flexible control of the output voltage. DC-DC converters provide power for portable applications and are therefore found in a variety of electronics such as laptop computers, mobile phones and other handheld devices. High efficiency, low output ripple and high reliability are two of the main criteria when selecting a DC-DC converter, and one such solution that meets these requirements is the V24A15T400BG from Vicor.

The V24A15T400BG series of DC-DC converters provides a regulated output voltage from a nominal input voltage of 24V. It has a regulated output voltage of 15V with an output current up to 400mA and is designed as a point of load solution for systems with higher power conversion requirements. The V24A15T400BG converter has a wide input voltage range of 9V to 36V and a wide input current range of 0.1A to 2.4A. It also features a low standby power of 10µA and a high efficiency of 95%.

The V24A15T400BG series of DC-DC converters has been designed with advanced on-chip power conversion techniques to offer high efficiency, wide bandwidth and robust electrical and thermal performance. It employs synchronous rectification to achieve high efficiency with a very low output voltage ripple. This state-of-the-art converter also integrates an internal step-down voltage regulator, providing a stable output voltage with a maximum output current of 400mA.

The V24A15T400BG converter has several protection features, including: over-voltage protection, under-voltage protection, overload protection, and short-circuit protection. Additionally, the converter includes a built-in safety timer, which automatically shuts down the device after a predetermined time in the event of a fault. To ensure high reliability, the converter employs a proprietary thermal management system, which actively cools the power switch using an internal heat sink.

The V24A15400BG converter is an ideal choice for various applications, including automotive, communication systems, medical systems, industrial controls, and consumer electronics. It is well-suited for powering various components such as linear regulators, IGBTs, FPGAs, microprocessors, and ASICs.

The V24A15T400BG uses a switch mode topology to provide high efficiency and low output voltage ripple. The switch mode topology consists of a power switch, an inductor, and an output capacitor. The power switch is typically a MOSFET and it switches between conducting and non-conducting states. When the MOSFET switch is turned on, the inductor stores energy from the input voltage source and sinks it into the output capacitor. When the MOSFET switch is turned off, the energy stored in the inductor is released to the output capacitor, providing the output voltage.

The V24A15T400BG also uses a constant frequency, fixed-duty cycle control system to regulate the output voltage. This control system is based on voltage feedback from the output voltage and uses pulse-width modulation (PWM) to adjust the duty cycle of the power switch. As the output voltage rises, the duty cycle of the power switch is reduced, thus reducing the amount of energy delivered to the output capacitor. When the output voltage drops, the duty cycle of the power switch increases, thus increasing the amount of energy delivered to the output capacitor.

The V24A15T400BG is an advanced and reliable DC-DC converter with high efficiency, low output voltage ripple and protection features. It is well-suited for powering a variety of components in automotive, industrial and consumer electronics applications. Its state-of-the-art design allows for a high efficiency, wide bandwidth and robust electrical and thermal performance.

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