MIC5281-3.3YMM-TR

Product Overview

Category

The MIC5281-3.3YMM-TR belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage Regulation: The MIC5281-3.3YMM-TR provides a regulated output voltage of 3.3V.
• Low Dropout: It operates with a low dropout voltage, ensuring efficient power conversion.
• High Accuracy: This voltage regulator offers high accuracy in maintaining the desired output voltage.
• Thermal Shutdown Protection: It includes built-in thermal shutdown protection to prevent overheating.
• Small Package Size: The MIC5281-3.3YMM-TR comes in a compact package, making it suitable for space-constrained applications.
• Low Quiescent Current: It has a low quiescent current, minimizing power consumption when idle.

Package and Quantity

The MIC5281-3.3YMM-TR is available in a miniature 8-pin MSOP (Mini Small Outline Package) package. It is typically sold in reels containing a specified quantity, such as 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 3.3V
• Output Current: Up to 150mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 60µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC5281-3.3YMM-TR has the following pin configuration:

```

---

| | --| VIN GND |-- Pin 1: Ground --| VOUT NC |-- Pin 2: No Connection --| EN FB |-- Pin 3: Feedback/Input Voltage --| NC NC |-- Pin 4: No Connection --| NC NC |-- Pin 5: No Connection --| NC NC |-- Pin 6: No Connection --| NC NC |-- Pin 7: No Connection --| NC NC |-- Pin 8: No Connection |___________| ```

Functional Features

• Voltage Regulation: The MIC5281-3.3YMM-TR ensures a stable output voltage of 3.3V, regardless of input voltage fluctuations.
• Current Limiting: It incorporates current limiting protection to prevent excessive current flow and protect connected devices.
• Short Circuit Protection: This voltage regulator includes short circuit protection, safeguarding the circuit from damage in case of a short circuit.
• Thermal Shutdown: The built-in thermal shutdown feature prevents overheating by disabling the regulator when the temperature exceeds a certain threshold.

Advantages and Disadvantages

Advantages

• High accuracy in voltage regulation
• Low dropout voltage for efficient power conversion
• Compact package size suitable for space-constrained applications
• Thermal shutdown protection prevents overheating
• Low quiescent current minimizes power consumption

Disadvantages

• Limited output current capacity (up to 150mA)
• Not suitable for high-power applications

Working Principles

The MIC5281-3.3YMM-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 to maintain a constant output voltage of 3.3V. The device continuously monitors the input voltage, regulating it to provide a stable output voltage even under varying load conditions.

Application Field Plans

The MIC5281-3.3YMM-TR finds applications in various electronic systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Embedded systems - IoT (Internet of Things) devices - Communication equipment - Industrial control systems

Alternative Models

Below are some alternative models that can be considered as alternatives to the MIC5281-3.3YMM-TR:

1. LM1117-3.3: A popular voltage regulator with similar specifications and package options.
2. LT1763-3.3: A high-performance low dropout voltage regulator suitable for demanding applications.
3. TPS79633: An ultra-low noise voltage regulator with a fixed output voltage of 3.3V.

These alternative models offer comparable features and can be used as substitutes depending on specific requirements and availability.

In conclusion, the MIC5281-3.3YMM-TR is a voltage regulator that provides stable and regulated output voltage of 3.3V. It offers various advantages such as high accuracy, low dropout voltage, and thermal shutdown protection. However, it has limitations in terms of output current capacity. This device