LP3986BL-2528

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

LP3986BL-2528 Application Field and Working Principle

LP3986BL-2528 is one of the PMIC voltage regulators classified as a linear voltage regulator. It is a 3A, 24V Monolithic buck converter, suitable for applications in a wide range of general-purpose voltage regulation purposes. This guide will provide an overview of the applications, operating conditions, and working principles of the LP3986BL-2528.

Applications

The LP3986BL-2528 has a wide range of possible applications. It consists of an internal high-voltage switch, control circuitry, and a full set of external components. As such, it is ideal for many different applications. These applications may include, but are not limited to:

• Electric Vehicle Charging
• On-board power supplies
• Battery charging
• Data-communication equipment
• Battery-powered portable devices
• Industrial control applications
• Test and measurement equipment
• Lighting control

Operating Conditions

The LP3986BL-2528 operates with an input voltage range of 4.5V to 24V, and an output voltage range of 2.5V to 25V. The output current is typically 3A but can be as high as 6A. The switching frequency is typically 300kHz with a possibility to adjust this between 1000kHz and 6.25MHz.

The operating temperature range of the LP3986BL-2528 is -40°C to +85°C for industrial (-40°C to +125°C for automotive). The quiescent current of the regulator is typically 6mA. The maximum power dissipation of the device is 15W.

Working Principle

The LP3986BL-2528 operates by using Pulse Width Modulation (PWM) to regulate the output voltage. A PWM signal is generated by the internal control circuitry, which is then used to control the internal high-voltage switch. This switch, in turn, is used to regulate the output voltage.

The LP3986BL-2528 is designed to be a constant frequency device, meaning that the switching frequency remains constant irrespective of the output voltage. This makes it an ideal choice for applications that require a stable output voltage and frequency.

The LP3986BL-2528 also has a low-ripple behavior, meaning that the voltage ripple on the output is kept to a minimum. The ripple is measured in mV and is typically less than 1mV for a 3A output current. The ripple is also frequency dependent, meaning that the frequency of the switching affects the ripple. It is important to note, however, that the ripple can be significantly reduced by selecting the correct external components.

The LP3986BL-2528 also has a wide range of protection features, such as over-voltage, under-voltage, over-temperature, and short-circuit protection. This ensures that the device is safe to use in a wide range of applications.

Conclusion

The LP3986BL-2528 is a powerful, 3A, 24V monolithic buck converter that is suitable for a wide range of general-purpose voltage regulation tasks. It has a wide range of possible applications, with an input voltage range of 4.5V to 24V, and an output voltage range of 2.5V to 25V. The LP3986BL-2528 also operates in a constant frequency mode, and has a very low output ripple. Furthermore, the device offers protection against over-voltage, under-voltage, over-temperature and short-circuit events. Therefore, the LP3986BL-2528 is an ideal choice for many voltage regulation applications.

The specific data is subject to PDF, and the above content is for reference