MIC5256-2.9YM5-TR

Product Overview

Category

The MIC5256-2.9YM5-TR belongs to the category of voltage regulators.

Use

This product is commonly used to regulate voltage in electronic circuits.

Characteristics

• Voltage regulation: The MIC5256-2.9YM5-TR provides a stable output voltage.
• Low dropout voltage: It operates efficiently even when the input voltage is close to the desired output voltage.
• Low quiescent current: The regulator consumes minimal power when in standby mode.
• Thermal shutdown protection: It includes built-in protection against excessive heat.

Package

The MIC5256-2.9YM5-TR is available in a small SOT-23-5 package.

Essence

This voltage regulator ensures a reliable and stable power supply for various electronic devices.

Packaging/Quantity

The MIC5256-2.9YM5-TR is typically sold in reels containing a specified quantity, such as 3000 units per reel.

Specifications

• Input voltage range: 2.5V to 16V
• Output voltage: 2.9V
• Maximum output current: 150mA
• Dropout voltage: 200mV at 100mA
• Quiescent current: 40µA (typical)
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The MIC5256-2.9YM5-TR has five pins arranged as follows:

```

---

| | --| VIN GND |-- --| VOUT EN |-- |___________| ```

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. EN: Enable pin (used to enable or disable the regulator)

Functional Features

• Voltage regulation: The MIC5256-2.9YM5-TR maintains a constant output voltage regardless of input voltage fluctuations.
• Low dropout voltage: It can operate with a minimal voltage difference between the input and output, ensuring efficient power conversion.
• Thermal shutdown protection: The regulator automatically shuts down if the temperature exceeds a safe threshold, preventing damage to the device.

Advantages and Disadvantages

Advantages

• Stable output voltage ensures reliable performance of electronic circuits.
• Low dropout voltage allows for efficient power conversion.
• Small package size enables space-saving designs.
• Thermal shutdown protection enhances safety and reliability.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Requires external components for proper operation.
• May be more expensive compared to other voltage regulators with similar specifications.

Working Principles

The MIC5256-2.9YM5-TR operates based on the principle of feedback control. It compares the output voltage to a reference voltage and adjusts the internal circuitry to maintain a stable output. When the input voltage is higher than the desired output voltage, the regulator reduces the voltage using a pass transistor. Conversely, when the input voltage is lower, it boosts the voltage to achieve the desired output level.

Detailed Application Field Plans

The MIC5256-2.9YM5-TR finds applications in various electronic devices that require a stable and regulated power supply. Some potential application fields include:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices benefit from the low dropout voltage and low quiescent current of this regulator.
2. IoT devices: Internet of Things (IoT) devices often operate on low voltages and require efficient power management. The MIC5256-2.9YM5-TR can provide the necessary voltage regulation in these applications.
3. Automotive electronics: The regulator's wide operating temperature range makes it suitable for automotive applications, where temperature variations can be significant.
4. Industrial control systems: The stability and reliability of the MIC5256-2.9YM5-TR make it suitable for use in industrial control systems that require precise voltage regulation.

Detailed and Complete Alternative Models

1. LM1117-2.9: This voltage regulator offers similar specifications and pin configuration to the MIC5256-2.9YM5-TR.
2. MCP1702-2.9: Another alternative with comparable characteristics, widely used in various electronic applications.
3. LT1763-2.9: This model provides a higher maximum output current and lower dropout voltage compared to the MIC5256-2.9YM5-TR.

These alternative models can be considered based on specific application requirements and availability.

Word count: 570 words