MIC5319-2.5YD5

Product Overview

Category

The MIC5319-2.5YD5 belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Voltage regulation: The MIC5319-2.5YD5 provides a stable output voltage.
• Efficiency: It offers high efficiency, minimizing power losses.
• Low dropout voltage: The regulator can operate with a low input-output voltage differential.
• Thermal shutdown protection: It includes built-in protection against excessive heat.
• Small package size: The MIC5319-2.5YD5 comes in a compact package, suitable for space-constrained applications.

Package and Quantity

The MIC5319-2.5YD5 is available in a small outline SOT-23-5 package. It is typically sold in reels containing 3000 units.

Specifications

• Input voltage range: 2.7V to 5.5V
• Output voltage: 2.5V
• Maximum output current: 500mA
• Dropout voltage: 150mV at 100mA
• Quiescent current: 45µA (typical)
• Operating temperature range: -40°C to +125°C

Pin Configuration

The MIC5319-2.5YD5 has five pins arranged as follows:

```

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| | --| VIN GND |-- Pin 1: Ground --| VOUT EN |-- Pin 2: Enable --| FB NC |-- Pin 3: No Connection --| NC NC |-- Pin 4: No Connection --| VIN VOUT|-- Pin 5: Output Voltage |___________| ```

Functional Features

• Voltage Regulation: The MIC5319-2.5YD5 ensures a stable output voltage of 2.5V, regardless of input voltage fluctuations.
• Enable Pin: The regulator can be enabled or disabled using the EN pin, allowing for power-saving modes.
• Thermal Shutdown Protection: In case of excessive heat, the device automatically shuts down to prevent damage.
• Low Dropout Voltage: The low dropout voltage enables efficient operation even with small input-output differentials.
• Fast Transient Response: The MIC5319-2.5YD5 quickly responds to load changes, maintaining a steady output voltage.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Small package size allows for space-saving designs.
• Thermal shutdown protection enhances reliability.
• Fast transient response ensures stability during load variations.

Disadvantages

• Limited maximum output current (500mA).
• Noisy output voltage in some applications.
• Requires external components for proper operation.

Working Principles

The MIC5319-2.5YD5 is a linear voltage regulator that uses a feedback mechanism to maintain a constant output voltage. It compares the output voltage with a reference voltage and adjusts the internal circuitry to achieve the desired output. The enable pin allows for control over the regulator's operation, enabling power-saving modes when necessary. The device also includes thermal shutdown protection to safeguard against overheating.

Application Field Plans

The MIC5319-2.5YD5 finds applications in various electronic systems, including:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices benefit from the regulator's efficient power management capabilities.
2. IoT devices: Internet of Things (IoT) devices often operate on low voltages and require stable power supplies, making the MIC5319-2.5YD5 suitable for these applications.
3. Industrial control systems: The regulator can be used in industrial control systems that require precise voltage regulation for reliable operation.
4. Automotive electronics: With its wide operating temperature range, the MIC5319-2.5YD5 is suitable for automotive applications where stable voltage supply is crucial.

Alternative Models

1. MIC5205-2.5YM5: This voltage regulator offers similar specifications and pin configuration to the MIC5319-2.5YD5.
2. LP2985-2.5: Another alternative with comparable characteristics and package size.
3. TPS73625DBVR: This Texas Instruments regulator provides a 2.5V output voltage and has a small SOT-23-5 package.

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

In conclusion, the MIC5319-2.5YD5 is a voltage regulator known for its stable output voltage, high efficiency, and compact package. It finds applications in various electronic systems, offering advantages such as thermal shutdown protection and fast transient response. While it has limitations like limited maximum output current and external component requirements,