MIC5321-LLYML-TR

Product Overview

Category

The MIC5321-LLYML-TR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage regulation and power management.

Characteristics

• The MIC5321-LLYML-TR is a low-dropout linear regulator.
• It provides stable and regulated output voltage.
• It has a wide input voltage range.
• It offers high accuracy and low noise performance.

Package

The MIC5321-LLYML-TR is available in a small outline package (SOT-23-5) which is suitable for surface mount applications.

Essence

The essence of this product lies in its ability to regulate and stabilize voltage, ensuring reliable and efficient operation of electronic devices.

Packaging/Quantity

The MIC5321-LLYML-TR is typically packaged in reels or tape and reel packaging. Each reel contains a specific quantity of ICs, usually around 3000 units.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.2V to 3.6V
• Dropout Voltage: 200mV at 150mA load current
• Quiescent Current: 45µA (typical)
• Load Regulation: ±0.5% (typical)
• Line Regulation: ±0.05% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MIC5321-LLYML-TR has five pins arranged as follows:

```

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| | --| VOUT GND|-- Pin 1 --| VIN EN |-- Pin 2 --| NC NC |-- Pin 3 --| NC NC |-- Pin 4 --| NC VFB |-- Pin 5 |___________| ```

1. Pin 1 (VOUT): Output voltage pin.
2. Pin 2 (VIN): Input voltage pin.
3. Pin 3: No connection.
4. Pin 4: No connection.
5. Pin 5 (VFB): Feedback voltage pin.

Functional Features

• Low dropout voltage ensures efficient power conversion.
• Excellent load and line regulation for stable output voltage.
• Thermal shutdown protection prevents overheating.
• Current limit protection safeguards against excessive current draw.
• Enable pin allows for easy on/off control of the regulator.

Advantages and Disadvantages

Advantages

• Wide input voltage range enables compatibility with various power sources.
• High accuracy and low noise performance ensure reliable operation.
• Small package size allows for space-saving integration in compact devices.
• Thermal shutdown and current limit protection enhance device safety.

Disadvantages

• Limited output voltage range may not meet the requirements of all applications.
• The absence of adjustable output voltage limits flexibility in certain scenarios.

Working Principles

The MIC5321-LLYML-TR operates as a linear regulator, utilizing a pass transistor to regulate the output voltage. It compares the feedback voltage (VFB) with a reference voltage to adjust the pass transistor's resistance and maintain a stable output voltage. The enable pin (EN) controls the regulator's on/off state.

Detailed Application Field Plans

The MIC5321-LLYML-TR finds application in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Wireless communication devices - Battery-powered devices

Its voltage regulation capabilities make it suitable for any application requiring stable and regulated power supply.

Detailed and Complete Alternative Models

1. MIC5320-LLYML-TR: Similar to MIC5321-LLYML-TR, but with a fixed output voltage of 3.3V.
2. MIC5322-LLYML-TR: Similar to MIC5321-LLYML-TR, but with a different pin configuration and adjustable output voltage range.

These alternative models offer similar functionality and can be considered as substitutes for the MIC5321-LLYML-TR in specific applications.

In conclusion, the MIC5321-LLYML-TR is a low-dropout linear regulator that provides stable and regulated voltage for electronic devices. Its wide input voltage range, high accuracy, and small package size make it suitable for various applications. While it has limitations in terms of output voltage range, alternative models are available to cater to specific requirements.