MIC5207BM5-TR

Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - Low quiescent current - High output accuracy - Thermal shutdown protection - Short-circuit current limit

Package: SOT-23-5

Essence: The MIC5207BM5-TR is a voltage regulator IC that provides a stable output voltage from an input voltage source. It is commonly used in electronic devices to ensure a consistent power supply.

Packaging/Quantity: The MIC5207BM5-TR is available in a SOT-23-5 package, which contains 3000 units per reel.

Specifications

The MIC5207BM5-TR has the following specifications:

• Input Voltage Range: 2.3V to 16V
• Output Voltage Range: 1.25V to 15V
• Dropout Voltage: 75mV at 150mA
• Quiescent Current: 120µA
• Output Current: Up to 150mA
• Line Regulation: 0.04%/V
• Load Regulation: 0.05%/mA
• Ripple Rejection: 70dB
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC5207BM5-TR has a SOT-23-5 package with the following pin configuration:

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Pin 1: Enable (EN) Pin 2: Ground (GND) Pin 3: Output (OUT) Pin 4: Not Connected (NC) Pin 5: Input (IN)

Functional Features

The MIC5207BM5-TR offers the following functional features:

1. Low Dropout Voltage: The voltage regulator maintains a stable output voltage even when the input voltage is close to the desired output voltage.
2. Low Quiescent Current: The IC consumes minimal current when in standby mode, reducing power consumption.
3. High Output Accuracy: It provides precise and consistent output voltage, ensuring reliable performance of connected devices.
4. Thermal Shutdown Protection: The IC includes a thermal shutdown feature that protects it from overheating, preventing damage.
5. Short-Circuit Current Limit: The regulator limits the current in case of a short circuit, protecting the circuitry.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion. - Low quiescent current reduces power consumption. - High output accuracy guarantees reliable performance. - Thermal shutdown protection prevents overheating. - Short-circuit current limit protects the circuitry.

Disadvantages: - Limited output current capacity (up to 150mA). - Not suitable for high-power applications.

Working Principles

The MIC5207BM5-TR operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the difference between the input and desired output voltage. The internal circuitry compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The MIC5207BM5-TR can be used in various applications, including but not limited to:

1. Battery-Powered Devices: It ensures a stable power supply for portable electronic devices such as smartphones, tablets, and wearable devices.
2. Industrial Control Systems: The voltage regulator can be employed in control systems to provide consistent power to sensors, actuators, and other components.
3. Automotive Electronics: It is suitable for automotive applications where a stable power source is required for various electronic systems.
4. IoT Devices: The IC can be used in Internet of Things (IoT) devices to regulate the voltage for sensors, communication modules, and microcontrollers.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with a fixed output voltage of 3.3V and a maximum output current of 800mA.
2. LT1763: Another option with adjustable output voltage and a low dropout voltage of 300mV at 500mA.
3. LP2985: An alternative with a fixed output voltage of 5V and a low quiescent current of 75µA.

These alternative models offer similar functionality and can be considered based on specific requirements and design constraints.

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