MIC5239-2.5YM

Product Overview

Category

MIC5239-2.5YM 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: 2.5V
• Maximum Output Current: 150mA
• Low Dropout Voltage: 200mV at 100mA
• Low Quiescent Current: 75µA
• Package Type: SOT-23
• Operating Temperature Range: -40°C to +125°C

Packaging/Quantity

MIC5239-2.5YM is available in a SOT-23 package. It is typically sold in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 2.5V
• Output Current: Up to 150mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 75µA
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Ripple Rejection: 70dB
• Thermal Shutdown Protection: Yes
• Short Circuit Protection: Yes

Pin Configuration

MIC5239-2.5YM has the following pin configuration:

```

---

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

• VIN: Input Voltage
• GND: Ground
• VOUT: Output Voltage
• EN: Enable Pin (Active High)

Functional Features

1. Low Dropout Voltage: The MIC5239-2.5YM exhibits a low dropout voltage of only 200mV at 100mA, ensuring efficient voltage regulation even when the input voltage is close to the desired output voltage.
2. Low Quiescent Current: With a quiescent current of only 75µA, the MIC5239-2.5YM minimizes power consumption and extends battery life in portable electronic devices.
3. Thermal Shutdown Protection: The regulator includes thermal shutdown protection, which prevents damage due to excessive temperature by disabling the output until the device cools down.
4. Short Circuit Protection: MIC5239-2.5YM incorporates short circuit protection, safeguarding the device and the connected circuitry from potential damage in case of a short circuit.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient voltage regulation.
• Low quiescent current minimizes power consumption.
• Thermal shutdown protection prevents overheating.
• Short circuit protection safeguards the device and connected circuitry.

Disadvantages

• Limited maximum output current (150mA) may not be suitable for high-power applications.
• SOT-23 package may require additional heat dissipation measures for certain applications.

Working Principles

MIC5239-2.5YM is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage obtained from a voltage divider network. The error amplifier adjusts the pass transistor to maintain a stable output voltage despite variations in the input voltage and load conditions.

Application Field Plans

MIC5239-2.5YM finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable audio players - Mobile phones - Digital cameras - Wireless communication modules - Embedded systems

Alternative Models

Some alternative models that offer similar functionality to MIC5239-2.5YM include: - LM1117-2.5 - LT1763-2.5 - MCP1700-2.5

These models can be considered as alternatives based on specific requirements and design constraints.

In conclusion, MIC5239-2.5YM is a voltage regulator with a wide input voltage range, low dropout voltage, and low quiescent current. It offers thermal shutdown and short circuit protection features. While it has limitations in terms of maximum output current and package type, it finds applications in various electronic devices and has alternative models available in the market.