MIC5239-2.5BS

Product Overview

Category

MIC5239-2.5BS belongs to the category of voltage regulators.

Use

It is commonly used to regulate voltage in electronic circuits.

Characteristics

• Package: The MIC5239-2.5BS comes in a small surface-mount SOT-23 package.
• Essence: This voltage regulator is designed to provide a stable output voltage of 2.5V.
• Packaging/Quantity: It is typically sold in reels or tubes containing multiple units.

Specifications

The specifications of MIC5239-2.5BS are as follows:

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 2.5V
• Output Current: Up to 150mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 120µA (typical)
• Line Regulation: 0.02%/V (typical)
• Load Regulation: 0.1% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC5239-2.5BS has three pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. VOUT (Pin 3): Output voltage pin.

Functional Features

• Low dropout voltage: The MIC5239-2.5BS has a low dropout voltage, allowing it to regulate voltage even when the input voltage is close to the desired output voltage.
• Low quiescent current: It consumes very little current when in standby mode, making it suitable for battery-powered applications.
• Short-circuit protection: The device includes built-in short-circuit protection, preventing damage to the regulator and the connected circuitry in case of a short circuit.

Advantages and Disadvantages

Advantages

• Small package size allows for space-saving designs.
• Low dropout voltage enables efficient regulation.
• Low quiescent current prolongs battery life.
• Short-circuit protection enhances reliability.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Narrow input voltage range restricts compatibility with certain systems.

Working Principles

The MIC5239-2.5BS is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the output voltage to a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage of 2.5V. The dropout voltage is minimized by using a low resistance pass element.

Detailed Application Field Plans

The MIC5239-2.5BS can be used in various applications, including but not limited to:

1. Battery-powered devices: It can regulate the voltage for portable electronic devices such as smartphones, tablets, and wearable devices.
2. Embedded systems: It is suitable for powering microcontrollers, sensors, and other components in embedded systems.
3. Automotive electronics: The regulator can be used in automotive applications where a stable voltage supply is required for various electronic modules.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC5239-2.5BS are:

1. LM1117-2.5: A popular voltage regulator with a fixed output voltage of 2.5V.
2. LT1763-2.5: A low dropout voltage regulator capable of providing a stable 2.5V output.
3. MCP1702-2.5: Another option with a fixed 2.5V output voltage and low quiescent current.

These alternatives can be considered based on specific requirements and availability.

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