MIC2545A-2YM-TR

Product Overview

Category

The MIC2545A-2YM-TR belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators category.

Use

This product is primarily used for voltage regulation in various electronic devices and systems. It ensures a stable and reliable power supply by converting an input voltage to a regulated output voltage.

Characteristics

• Input Voltage Range: 4.5V to 16V
• Output Voltage Range: 1.25V to 12V
• Maximum Output Current: 500mA
• Low Dropout Voltage: 200mV at 100mA
• Low Quiescent Current: 120µA
• Thermal Shutdown Protection
• Short-Circuit Protection

Package

The MIC2545A-2YM-TR is available in a miniature 8-pin MSOP (Mini Small Outline Package) with exposed pad for enhanced thermal dissipation.

Essence

The essence of the MIC2545A-2YM-TR lies in its ability to provide efficient voltage regulation, ensuring stable and reliable power supply for electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specified quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer and supplier.

Specifications

• Input Voltage Range: 4.5V to 16V
• Output Voltage Range: 1.25V to 12V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 120µA
• Thermal Shutdown Temperature: 160°C
• Operating Temperature Range: -40°C to +125°C
• Package Type: 8-pin MSOP

Pin Configuration

The MIC2545A-2YM-TR features the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. EN (Enable)
4. FB (Feedback)
5. VOUT (Output Voltage)
6. PG (Power Good)
7. NC (No Connection)
8. VREF (Reference Voltage)

Functional Features

1. Voltage Regulation: The MIC2545A-2YM-TR regulates the output voltage to a desired level, ensuring stability and reliability in electronic systems.
2. Low Dropout Voltage: With a low dropout voltage of 200mV at 100mA, this IC minimizes power loss and improves efficiency.
3. Thermal Shutdown Protection: The device incorporates thermal shutdown protection, preventing damage due to excessive temperature.
4. Short-Circuit Protection: The MIC2545A-2YM-TR includes built-in short-circuit protection, safeguarding the circuit from potential damage.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low dropout voltage reduces power dissipation and improves efficiency.
• Thermal shutdown protection prevents overheating and damage.
• Short-circuit protection enhances the reliability of the circuit.

Disadvantages

• Maximum output current limited to 500mA, which may not be sufficient for high-power applications.
• Limited output voltage range may restrict compatibility with certain devices.

Working Principles

The MIC2545A-2YM-TR operates based on the principle of linear voltage regulation. It utilizes a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry accordingly to maintain a stable output voltage. The enable pin allows for control of the regulator's operation, while the power good pin provides an indication of the output voltage status.

Detailed Application Field Plans

The MIC2545A-2YM-TR finds applications in various electronic systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Automotive electronics - Industrial control systems - Communication equipment

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable Voltage Regulator, 800mA Maximum Output Current.
2. LT1084CP-5: Fixed 5V Voltage Regulator, 5A Maximum Output Current.
3. TPS79333DBVR: Fixed 3.3V Voltage Regulator, 250mA Maximum Output Current.
4. MAX6035AAUR25: Fixed 2.5V Voltage Regulator, 50mA Maximum Output Current.

These alternative models offer similar functionality and can be considered as substitutes for the MIC2545A-2YM-TR in various applications.

In conclusion, the MIC2545A-2YM-TR is an integrated circuit voltage regulator that provides efficient and reliable voltage regulation for electronic devices. With its low dropout voltage, thermal shutdown protection, and short-circuit protection, it offers several advantages in terms of power efficiency and circuit reliability. While it has limitations in terms of maximum output current and