CBS3504824-R

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DC DC Converters

DC-DC converters have been developed to provide a regulated DC output from an unregulated DC input, regardless of the magnitude or the polarity of the input source. They also become important for voltage transformation when the magnitude of the input voltage is much higher or much lower than the output voltage. In this article we\'ll discuss the specific application field and working principle of the CBS3504824-R DC-DC converter.

Overview of the CBS3504824-R

The CBS3504824-R is a wide input range DC/DC switching regulator. It provides two independent outputs, a 5V and a 3.3V output, from its single 9-48V input source. It is designed to combine high-efficiency operation with high-speed transient response to meet the requirements of high-power applications.

The CBS3504824-R features an integrated control IC and switching regulator with a built-in PFM (Pulse-Frequency Modulation) control for improved efficiency. The PFM modulation provides excellent load transient characteristics, while minimizing EMI susceptibility. It is available in a standard 7-pin SIP package making it easy to install and operate.

Application Fields of the CBS3504824-R

This DC/DC switching regulator is designed for a variety of applications including industrial and medical control systems, automotive, telecommunications systems, multi-media systems, notebook computers and other consumer electronic applications. The CBS3504824-R can also be used in other power electronics, battery charging and industrial power supply systems.

Working Principle

The CBS3504824-R is a DC-DC switching regulator with pulse-width modulation (PWM). It utilizes an integrated switching MOSFET first stage followed by a low-dropout voltage (LDO) second stage. The switching action allows the DC/DC converter to efficiently provide a constant regulated output regardless of input voltage changes. The output voltage is further controlled through the PWM circuit, which adjusts the switching frequency depending on the load and input voltage changes.

The PWM circuit further compensates for output voltage regulation by adjusting the duty cycle of the switching circuit, controlling the ON/OFF time of the MOSFET switch. This reduces the stress on the MOSFET and allows an optimized switching frequency at any load. The output voltage is maintained within a tight regulation range of 1% or less even at the lowest line levels.

The CBS3504824-R is designed to provide a high efficiency rate of 85% or more, while still maintaining a tight regulation range of 1% over a wide input range. This allows it to deliver the required output power at a wide range of input voltage changes.

Conclusion

The CBS3504824-R is an efficient and versatile DC/DC switching converter designed for a variety of applications. It offers excellent performance over a wide input range and has a tight output voltage regulation of 1% or less. It is an ideal choice for applications that require a reliable and economical supply of power with a high efficiency rate at wide input voltage levels.

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