MPS751RLRA

Product Overview

The MPS751RLRA belongs to the category of voltage regulators and is commonly used in electronic circuits to maintain a stable output voltage. Its characteristics include high efficiency, low dropout voltage, and thermal shutdown protection. The package consists of a small outline transistor (SOT-23) with three leads, making it suitable for compact designs. The essence of this product lies in its ability to regulate voltage within a specified range, ensuring reliable performance in various applications. It is typically available in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 1.8V to 5.0V
• Dropout Voltage: 200mV at 150mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The MPS751RLRA features a standard SOT-23 package with three pins: 1. Pin 1 (VIN): Input voltage 2. Pin 2 (GND): Ground 3. Pin 3 (VOUT): Regulated output voltage

Functional Features

• High Efficiency: The voltage regulator offers high efficiency, minimizing power loss and maximizing battery life in portable devices.
• Thermal Shutdown Protection: It includes built-in thermal shutdown protection to prevent damage from excessive heat, enhancing reliability.

Advantages and Disadvantages

Advantages

• Small Package: The compact SOT-23 package enables space-efficient PCB layouts.
• Low Dropout Voltage: The low dropout voltage ensures efficient regulation even with small input-output differentials.

Disadvantages

• Limited Current Capacity: The current handling capability may be insufficient for high-power applications.
• Fixed Output Voltage: The fixed output voltage limits flexibility in certain designs requiring variable outputs.

Working Principles

The MPS751RLRA operates based on the principle of feedback control, where an internal reference voltage is compared to the output voltage and adjustments are made to maintain a constant output. When the input voltage fluctuates, the regulator modulates the pass device to ensure a steady output voltage within the specified range.

Detailed Application Field Plans

The MPS751RLRA finds extensive use in battery-powered devices, such as mobile phones, portable media players, and handheld instruments. Additionally, it is suitable for IoT devices, sensor modules, and other low-power electronics requiring a stable voltage supply.

Detailed and Complete Alternative Models

• MPS752RLRA: Similar specifications with adjustable output voltage
• MPS650RLRA: Low quiescent current for ultra-low power applications
• MPS753RLRA: Higher current handling capacity for more demanding loads

In conclusion, the MPS751RLRA voltage regulator offers a compact and efficient solution for maintaining stable voltage levels in various electronic applications. Its high efficiency, thermal protection, and small form factor make it well-suited for modern portable and low-power devices.

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