LV5813TT-TE-L-H

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LV5813TT-TE-L-H is a DC-DC switching regulator manufactured by ROHM. It is a high-performance synchronous buck converter capable of driving loads up to 4A without the need of external „tting resistors or external heat sinks. It features high-efficiency voltage conversion, fast transient response time and wide output voltage ranges with a single switching frequency. The LV5813TT-TE-L-H offers excellent performance and value in power management applications such as air conditioners, display panels, and consumer electronics.

Application Field

The LV5813TT-TE-L-H is designed to provide a compact and efficient DC-DC voltage conversion solution in consumer, industrial and automation applications that require low power consumption. With a wide input voltage range of 4.5V-18V and a single output voltage range of 5V-60V, the LV5813TT-TE-L-H can be used to power a variety of devices from small microcontrollers to large motor controllers. The device is ideal for applications where space is a premium, such as small form factor gadgets and other portable devices. The LV5813TT-TE-L-H is also well suited to automotive, industrial, and communications equipment.

Working principle

The LV5813TT-TE-L-H operates on a synchronous buck converter topology, meaning it steps down an input voltage to generate a lower, regulated output voltage. The output voltage is regulated by an internal feedback loop that adjusts the duty cycle of an internal switch according to the detected output voltage. When the input voltage is higher than the output voltage, the switch turns on, allowing current to flow from the input voltage to the output voltage. When the input voltage is lower than the output voltage, the switch turns off and current is supplied from the output capacitor to the load, maintaining the desired output voltage.

The LV5813TT-TE-L-H includes an integrated oscillator, clock divider and control logic, which eliminates the need for external components. The integrated circuit also includes an On-Off control, which allows the regulator to be enabled or disabled via an external pin. This means that the load can be powered up and down without complicated control wiring and can be controlled from a central control system. The LV5813TT-TE-L-H also incorporates current limit and overheating protection to ensure reliable operation and robustness in a wide range of applications.

The device also boasts a wide range of protection features such as Over-Voltage and Under-Voltage Lockouts, Thermal Shutdown, and Cycle-by-Cycle Current Limit, which ensure safety and reliability during operation. The device is also capable of operating at ambient temperatures up to 105°C, making it suitable for use in harsh environments.

Conclusion

The LV5813TT-TE-L-H provides an efficient and space saving solution for DC-DC voltage conversion. Its wide input voltage range, single output voltage range, fast transient response time, and protection features make it ideal for a variety of applications. With its high-efficiency conversion, this device is sure to be a great fit for many power management applications.

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