VND7N04-E

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VND7N04-E Application Field and Working Principle

The VND7N04-E is a smart 3 pin Power Management Integrated Circuit (PICM) and belongs to the Power Distribution Switches, Load Drivers family of PMIC products. This device is commonly found in industrial and medical device applications.

Features

The VND7N04-E features a range of features which make it the ideal choice for certain industrial and medical applications. These features include:

• Low supply current: only 1A at 24V, or 2A at 12V.
• High efficiency for low input power dissipation.
• No external bypass capacitor or inductor required.
• 3.3V or 5V output voltage range.
• Under-voltage lockout to protect the load.

Applications

Due to its robust design, the VND7N04-E is suitable for the following applications:

• Vehicle applications, such as fuel cells, hybrid electric vehicles and battery powered systems.
• Industrial equipment and device systems.
• Medical systems, such as implants and other medical devices.

Working Principle

The working principle of VND7N04-E can be divided into three stages. In the first stage, the device senses and regulates the input voltage to ensure a stable power supply for the load. This stage uses a variable switching frequency to reduce output ripple and noise for the load.

In the second stage, the device monitors the output voltage and current level of the load, and will control the switching cycle in order to keep these within required limits. This helps to ensure a constant output voltage over a wide range of loads, and prevents any undesired power draw which could potentially cause damage to the device.

In the final stage, the VND7N04-E provides a shutdown signal in the event that the voltage or current on either the input or output side of circuit exceeds its safe limits. This helps to protect the load, and could also potentially shut down the system in order to prevent further damage.

Conclusion

The VND7N04-E is a smart 3 pin Power Management Integrated Circuit (PMIC) which belongs to the Power Distribution Switches, Load Drivers family of PMIC products. This device can be found in a wide range of industrial and medical device applications, and its low supply current, high efficiency and flexible output voltage range make it the ideal choice for many of these applications. The device works by sensing and regulating the input voltage, monitoring the output voltage and current level and providing a shutdown signal in the event that a certain limit is reached. Thanks to all these features and functionality, the VND7N04-E is a highly reliable and efficient device for its purpose.

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