MIC5305-3.3BD5-TR

Product Overview

Category

MIC5305-3.3BD5-TR belongs to the category of voltage regulators.

Use

This product is commonly used in electronic devices to regulate and stabilize the voltage supply.

Characteristics

• Voltage regulation: The MIC5305-3.3BD5-TR provides a stable output voltage of 3.3V.
• Efficiency: It offers high efficiency, ensuring minimal power loss during operation.
• Low dropout voltage: The regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
• Low quiescent current: The device consumes low power when in standby mode.
• Thermal shutdown protection: It includes built-in protection mechanisms to prevent overheating.

Package

The MIC5305-3.3BD5-TR comes in a small package, typically a SOT-23-5 or similar form factor.

Essence

The essence of this product lies in its ability to provide a stable and regulated voltage supply for electronic circuits.

Packaging/Quantity

The product is usually packaged in reels or tubes, with each reel or tube containing a specific quantity of regulators.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 3.3V
• Maximum Output Current: 150mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 45µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MIC5305-3.3BD5-TR has five pins arranged as follows:

```

---

| | --| VIN GND |-- Pin 1: Ground (GND) --| VOUT EN |-- Pin 2: Enable (EN) --| FB NC |-- Pin 3: No Connection (NC) --| VIN VOUT|-- Pin 4: Output Voltage (VOUT) --| VIN GND |-- Pin 5: Input Voltage (VIN) |___________| ```

Functional Features

• Voltage Regulation: The MIC5305-3.3BD5-TR ensures a stable output voltage of 3.3V, regardless of input voltage fluctuations.
• Enable Pin: The EN pin allows the user to enable or disable the regulator as needed, conserving power when not in use.
• Thermal Shutdown Protection: The device includes thermal shutdown protection, preventing damage due to excessive heat.
• Low Dropout Voltage: The low dropout voltage enables the regulator to maintain a stable output even when the input voltage is close to the desired output voltage.

Advantages and Disadvantages

Advantages

• Provides a stable and regulated output voltage.
• High efficiency, minimizing power loss.
• Low quiescent current for power-saving operation.
• Compact package size for space-constrained applications.
• Thermal shutdown protection for enhanced reliability.

Disadvantages

• Limited maximum output current (150mA).
• Requires an external enable signal for control.

Working Principles

The MIC5305-3.3BD5-TR operates based on a linear voltage regulation principle. It uses 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 regulator continuously monitors the input voltage and adjusts its internal components to compensate for any variations, ensuring a stable output.

Detailed Application Field Plans

The MIC5305-3.3BD5-TR finds application in various electronic devices that require a stable 3.3V power supply. Some common application fields include:

1. Portable Electronics: It is suitable for powering portable devices such as smartphones, tablets, and portable media players.
2. Wireless Communication Devices: The regulator can be used in wireless communication modules, ensuring a stable power supply for reliable operation.
3. Embedded Systems: It is commonly employed in embedded systems, providing regulated power to microcontrollers, sensors, and other components.
4. Battery-Powered Devices: The low dropout voltage and low quiescent current make it ideal for battery-powered devices, extending battery life.

Detailed and Complete Alternative Models

• MIC5205-3.3YM5-TR
• LP2985-33DBVR
• MCP1700-3302E/TO
• TPS73633DBVR
• LT1763CS8-3.3#PBF

These alternative models offer similar functionality and specifications to the MIC5305-3.3BD5-TR and can be considered as alternatives based on specific requirements.

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