MP38900DL-B-LF-P

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PMIC (Power Management ICs) are an important component in modern electronic systems, providing power inputs and outputs to ensure the optimum performance and energy efficiency of electronic systems. Voltage Regulators are vital components of PMICs as they are used to ensure a stable voltage input is available to the system. The MP38900DL-B-LF-P is a DC-DC Switching Voltage Regulator, which provides a stable voltage output from a variable voltage input.

Overview

The MP38900DL-B-LF-P is an N-Channel MOSFET Switching Voltage Regulator IC. This device is ideal for low-power applications where efficiency and low-power dissipation are crucial. With a high switching frequency of 2.5 MHz, the device can achieve high-efficiency over a wide range of output current up to 1A.

The MP38900DL-B-LF-P voltage regulator can accept input voltage ranging from 8.2V to 32V and provides an adjustable output voltage range of 0.8V to 26V. It is available in a 10-pin package and has integrated over-current protection and over-temperature protection. The MP38900DL-B-LF-P also offers low standby current (Iq) of 1.7mA and low Dropout Voltage at 160mV.

Application Fields and Working Principle

The versatile application field of MP38900DL-B-LF-P includes computing, automotive, industrial, and consumer electronics. The device is suitable for use in notebook PCs, battery charging, and wireless communication applications. The MP38900DL-B-LF-P is also suitable for low voltage applications, such as sensor supply and power supply for RF devices.

The working principle of the MP38900DL-B-LF-P is based on a topology that utilizes an N-Channel MOSFET as the switching element. The MP38900DL-B-LF-P is designed to operate in the Pulse Width Modulation (PWM) mode and the Pulse Frequency Modulation (PFM) mode. The device is designed to provide maximum efficiency over a wide range of load conditions. The integrated switching Transconductance Amplifier (TCA) senses the output current and adjusts the switching frequency of the device. The integrated current sense circuitry ensures fast transient response and short circuit protection. The MP38900DL-B-LF-P also features adjustable loop compensation, making it a very versatile part.

Key features

• Input voltage range: 8.2V to 32V
• Output voltage range: 0.8V to 26V
• High efficiency: up to 90%
• Operating frequency: 2.5 MHz
• Internal switch: N-channel MOSFET
• Output current: Up to 1A
• Quiescent current: 1.7mA (typ)
• Integrated Over-Current Protection (OCP)
• Integrated Over-Temperature Protection (OTP)
• Integrated Current sense circuitry
• Adjustable loop compensation
• Package: 10-pin QFN package

Conclusion

The MP38900DL-B-LF-P is a flexible and efficient N-Channel MOSFET Voltage Regulator ideal for a variety of applications. With its wide input range, adjustable output voltage range, high efficiency and low power dissipation, it is the perfect solution for low-power applications. Its integrated features make it an ideal part for system designs that require a high level of performance and protection.

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