LV5043NV-MPB-E

Series:	*
Part Status:	Obsolete

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Introduction

LV5043NV-MPB-E is a DC-DC switching controller integrated circuit developed by ON Semiconductor, a US-based semiconductor company. The device functions as a regulator in digital power designs where a wide range of output voltages are required. DC-DC switching controllers are versatile solutions used in applications such as machines, computers, and telecommunications. They can be used in a variety of voltage levels and voltages, ranging from 0.8V to 30V.

Application fields

The LV5043NV-MPB-E can be used in a wide variety of applications. It is suitable for use in game consoles, laptop computers, household appliances, and communications systems. Additionally, the device can be employed in industrial systems, medical equipment, and light-emitting diode (LED) lighting. Since the device has the capability to work with a range of output voltages, it is useful for many applications that require high precision power control.

Features

The LV5043NV-MPB-E has several features that make it a highly efficient DC-DC switching controller. The device offers a wide input voltage range, from 4.5V to 30V. It also has an adjustable output voltage of up to 4.3 A. This feature allows the device to be used in a wide range of applications. Additionally, the device has current-mode control and over-current protection, which keep the output voltage stable. The LV5043NV-MPB-E also has thermal performance, including a maximum junction temperature of 150°C and a maximum ambient temperature of 85°C.

Working principle

The LV5043NV-MPB-E has both a high-side and low-side driver. The low side driver is an NPN transistor, while the high side driver is an PNP transistor. When the device is switched on, the low side driver turns on first, before the high side driver turns on. The low side driver controls the on-time of the device, and the high side driver controls the off-time of the device. In order for the device to achieve a stable output voltage, the duty cycle of the low side driver and the high side driver must be accurately adjusted. The LV5043NV-MPB-E also has several important safety features. First, it has an overcurrent protection circuit which detects abnormally high levels of current. If the current exceeds a certain level, the device shuts down to protect against damage. Secondly, the device has a frequency jitter feature which prevents it from switching on and off too frequently. This feature ensures that the device operates efficiently, over the long run.

Conclusion

The LV5043NV-MPB-E is an efficient DC-DC switching controller which can be used in a wide variety of applications. Its features include a wide input voltage range, adjustable output voltage, current-mode control, over-current protection, and frequency jitter. The device also has several important safety features, making it a viable solution for many digital power designs.

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