MIC2954-03BZ-TR

Product Overview

Category

MIC2954-03BZ-TR belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage regulation: MIC2954-03BZ-TR ensures a stable output voltage regardless of input voltage fluctuations.
• Low dropout voltage: It operates efficiently even when the input voltage is close to the desired output voltage.
• High current capability: This voltage regulator can handle high current loads, making it suitable for power-hungry applications.
• Thermal shutdown protection: It includes built-in protection mechanisms to prevent overheating and damage.
• Short-circuit protection: The device automatically shuts down in case of a short circuit, protecting the circuitry.

Package

MIC2954-03BZ-TR comes in a compact TO-263 package, which provides good thermal dissipation properties.

Essence

The essence of MIC2954-03BZ-TR lies in its ability to provide stable and regulated voltage output, ensuring reliable operation of electronic devices.

Packaging/Quantity

This product is typically available in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input voltage range: 2.5V to 26V
• Output voltage: 3.3V
• Dropout voltage: 400mV at 500mA
• Maximum output current: 1A
• Quiescent current: 120µA
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

MIC2954-03BZ-TR has the following pin configuration:

1. VIN (Input voltage)
2. GND (Ground)
3. VOUT (Output voltage)

Functional Features

• Voltage Regulation: MIC2954-03BZ-TR maintains a constant output voltage of 3.3V, regardless of input voltage variations.
• Low Dropout Voltage: It can operate efficiently even when the input voltage is only slightly higher than the desired output voltage.
• Current Limiting: The device incorporates current limiting protection to prevent excessive current flow and protect connected components.
• Thermal Shutdown: MIC2954-03BZ-TR includes thermal shutdown protection, which shuts down the device if the temperature exceeds safe limits.
• Short-Circuit Protection: In case of a short circuit, the voltage regulator automatically shuts down to prevent damage to the circuitry.

Advantages and Disadvantages

Advantages

• Stable and regulated output voltage
• Low dropout voltage for efficient operation
• High current capability for power-hungry applications
• Built-in thermal and short-circuit protection mechanisms

Disadvantages

• Limited output voltage options (fixed at 3.3V)
• Relatively high quiescent current compared to some other voltage regulators

Working Principles

MIC2954-03BZ-TR operates based on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. By continuously monitoring and adjusting, it compensates for any changes in the input voltage, ensuring a consistent output voltage.

Detailed Application Field Plans

MIC2954-03BZ-TR finds applications in various electronic devices and systems, including: 1. Battery-powered devices: It ensures a stable voltage supply to sensitive components, extending battery life. 2. Embedded systems: It provides reliable voltage regulation for microcontrollers, sensors, and other components. 3. Automotive electronics: It regulates voltage for automotive systems, such as infotainment systems and engine control units. 4. Industrial equipment: It stabilizes voltage for control systems, motor drives, and other industrial applications.

Detailed and Complete Alternative Models

Some alternative models to MIC2954-03BZ-TR that offer similar functionality include: 1. LM1117-3.3: A popular voltage regulator with a fixed 3.3V output. 2. LT1086: Adjustable voltage regulator with low dropout voltage and high current capability. 3. TPS7A3301: Ultra-low dropout voltage regulator suitable for noise-sensitive applications.

These alternative models provide options for different voltage requirements, adjustable outputs, and specific application needs.

In conclusion, MIC2954-03BZ-TR is a voltage regulator that ensures stable and regulated voltage output in various electronic applications. Its low dropout voltage, high current capability, and built-in protection features make it a reliable choice for many designs.