MIC5219-3.1BM5-TR

Product Overview

Category

MIC5219-3.1BM5-TR belongs to the category of voltage regulators.

Use

This product is used to regulate and stabilize voltage levels in electronic circuits.

Characteristics

• Input Voltage Range: 2.3V to 16V
• Output Voltage: 3.1V
• Maximum Output Current: 500mA
• Dropout Voltage: 300mV
• Low Quiescent Current: 120µA
• Low Shutdown Current: 0.1µA
• Thermal Shutdown Protection
• Short Circuit Protection
• Small Package Size: SOT-23-5

Packaging/Quantity

MIC5219-3.1BM5-TR is available in a SOT-23-5 package. It is typically sold in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.3V to 16V
• Output Voltage: 3.1V ±2%
• Output Current: Up to 500mA
• Dropout Voltage: 300mV (typical)
• Quiescent Current: 120µA (typical)
• Shutdown Current: 0.1µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Thermal Resistance: 200°C/W (junction-to-ambient)

Detailed Pin Configuration

MIC5219-3.1BM5-TR has five pins arranged as follows:

```

---

| | --| V IN|-- Pin 1: Input Voltage --|____| | | --| GND|-- Pin 2: Ground --|____| | | --| EN |-- Pin 3: Enable (Active High) --|____| | | --| V OUT|-- Pin 4: Output Voltage --|____| | | --| BYP |-- Pin 5: Bypass Capacitor --|____| ```

Functional Features

1. Voltage Regulation: MIC5219-3.1BM5-TR provides a stable output voltage of 3.1V, regardless of input voltage fluctuations.
2. Low Quiescent Current: The regulator consumes only 120µA of current when in operation, making it suitable for low-power applications.
3. Thermal Shutdown Protection: The device includes built-in thermal shutdown protection to prevent damage due to excessive heat.
4. Short Circuit Protection: MIC5219-3.1BM5-TR is equipped with short circuit protection, safeguarding the circuit from damage in case of a short circuit condition.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low quiescent current minimizes power consumption.
• Thermal shutdown protection ensures safe operation.
• Short circuit protection prevents damage to the circuit.

Disadvantages

• Dropout voltage of 300mV may limit its use in low voltage applications.
• Limited output current of 500mA may not be sufficient for high-power applications.

Working Principles

MIC5219-3.1BM5-TR utilizes a feedback control mechanism to maintain a constant output voltage of 3.1V. It compares the output voltage with a reference voltage and adjusts the internal circuitry to regulate the output voltage within the specified tolerance.

Detailed Application Field Plans

MIC5219-3.1BM5-TR finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Embedded systems - Consumer electronics

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with a fixed output voltage of 3.3V.
2. LT1763: Offers adjustable output voltage and higher output current capability.
3. TPS79633: Provides a fixed output voltage of 3.3V and low dropout voltage.

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

Word count: 431 words