MIC5270-5.0BM5-TR

Product Overview

Category

MIC5270-5.0BM5-TR belongs to the category of voltage regulators.

Use

It is commonly used to regulate voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 5.0V
• Maximum Output Current: 150mA
• Low Dropout Voltage: 200mV at 100mA
• Low Quiescent Current: 35µA
• Package Type: SOT-23-5
• Operating Temperature Range: -40°C to +125°C

Package and Quantity

MIC5270-5.0BM5-TR is available in a SOT-23-5 package. It is typically sold in reels containing a quantity of 3000 units.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 5.0V ±2%
• Output Current: Up to 150mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 35µA (typical)
• Line Regulation: 0.05% (typical)
• Load Regulation: 0.1% (typical)
• Ripple Rejection: 70dB (typical)
• Shutdown Current: <1µA
• Thermal Shutdown Protection: Yes
• Short Circuit Protection: Yes

Pin Configuration

MIC5270-5.0BM5-TR has a total of five pins arranged as follows:

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Pin 1: VIN (Input Voltage) Pin 2: GND (Ground) Pin 3: EN (Enable) Pin 4: BYP (Bypass) Pin 5: VOUT (Output Voltage)

Functional Features

1. Low Dropout Voltage: The MIC5270-5.0BM5-TR exhibits a low dropout voltage of only 200mV at 100mA, ensuring efficient power regulation even when the input voltage is close to the desired output voltage.

2. Low Quiescent Current: With a quiescent current of only 35µA, the regulator minimizes power consumption in standby or idle modes, making it suitable for battery-powered applications.

3. Thermal Shutdown Protection: The device incorporates thermal shutdown protection, which prevents damage due to excessive temperature by shutting down the regulator temporarily until the temperature returns to a safe operating range.

4. Short Circuit Protection: MIC5270-5.0BM5-TR includes built-in short circuit protection, safeguarding the regulator and the connected circuitry from potential damage caused by excessive current flow.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile application scenarios.
• Low dropout voltage ensures efficient power regulation.
• Low quiescent current minimizes power consumption in standby mode.
• Thermal shutdown protection prevents overheating and subsequent damage.
• Built-in short circuit protection enhances overall system reliability.

Disadvantages

• Limited maximum output current of 150mA may not be sufficient for high-power applications.
• SOT-23-5 package may require additional space on the PCB compared to smaller packages.

Working Principles

MIC5270-5.0BM5-TR is a linear voltage regulator that operates by maintaining a constant output voltage regardless of variations in the input voltage or load conditions. It achieves this by utilizing a pass transistor that adjusts its resistance to regulate the output voltage.

The regulator compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain the desired output voltage. The enable pin (EN) allows for control of the regulator's operation, enabling or disabling the output voltage as required.

Application Field Plans

MIC5270-5.0BM5-TR finds applications in various electronic systems where stable and regulated power supply is essential. Some potential application fields include:

1. Battery-Powered Devices: Portable electronics such as smartphones, tablets, and wearable devices can benefit from the low quiescent current and efficient power regulation provided by MIC5270-5.0BM5-TR.

2. Industrial Control Systems: The regulator can be used in industrial control systems to ensure stable power supply for microcontrollers, sensors, and other critical components.

3. Automotive Electronics: MIC5270-5.0BM5-TR can be employed in automotive applications to regulate voltage for various subsystems, including infotainment systems, lighting modules, and control units.

4. IoT Devices: Internet of Things (IoT) devices often operate on low power and require a compact voltage regulator. MIC5270-5.0BM5-TR fits well in IoT applications such as smart home devices, environmental sensors, and wireless communication