MIC29301-3.3WU-TR

Product Overview

Category

MIC29301-3.3WU-TR belongs to the category of voltage regulators.

Use

This product is used to regulate voltage in electronic circuits, ensuring a stable output voltage regardless of input voltage fluctuations.

Characteristics

• High precision: MIC29301-3.3WU-TR provides precise voltage regulation with low output voltage deviation.
• Low dropout voltage: It operates efficiently even when the input voltage is close to the desired output voltage.
• Current limiting and thermal shutdown protection: The device automatically limits the current and shuts down in case of excessive heat, protecting the circuit from damage.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for various applications.
• Fast transient response: The regulator quickly responds to changes in load conditions, maintaining a stable output voltage.

Package

MIC29301-3.3WU-TR comes in a TO-263 package, also known as D2PAK. This package offers excellent thermal dissipation properties, ensuring reliable operation even under high power dissipation conditions.

Essence

The essence of MIC29301-3.3WU-TR lies in its ability to provide accurate and stable voltage regulation, making it an essential component in many electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specific quantity of regulators per package. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Output Voltage: 3.3V
• Input Voltage Range: 4.5V to 26V
• Dropout Voltage: 450mV (typical) at 1A load current
• Maximum Output Current: 3A
• Line Regulation: ±0.02% (typical)
• Load Regulation: ±0.04% (typical)
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

MIC29301-3.3WU-TR has the following pin configuration:

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

Functional Features

• Voltage Regulation: MIC29301-3.3WU-TR maintains a constant output voltage of 3.3V, regardless of input voltage variations.
• Current Limiting: The device limits the output current to protect the circuit from excessive current flow.
• Thermal Shutdown Protection: In case of excessive heat, the regulator shuts down to prevent damage to the device and surrounding components.
• Fast Transient Response: It quickly responds to changes in load conditions, ensuring a stable output voltage.

Advantages and Disadvantages

Advantages

• High precision voltage regulation
• Low dropout voltage
• Current limiting and thermal shutdown protection
• Wide input voltage range
• Fast transient response

Disadvantages

• Relatively high cost compared to some other voltage regulators
• Requires external capacitors for stability

Working Principles

MIC29301-3.3WU-TR is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the output voltage with a reference voltage and adjusts the pass transistor's resistance to maintain a constant output voltage. The device continuously monitors the input and output voltages, adjusting the pass transistor as necessary to provide stable voltage regulation.

Detailed Application Field Plans

MIC29301-3.3WU-TR finds applications in various electronic devices and systems, including but not limited to: - Power supplies - Battery-powered devices - Industrial control systems - Automotive electronics - Communication equipment

Its precise voltage regulation, low dropout voltage, and thermal protection make it suitable for applications where a stable and reliable power supply is crucial.

Detailed and Complete Alternative Models

• LM1117-3.3: A popular alternative with similar specifications and performance.
• LT1086-3.3: Another alternative offering high precision voltage regulation and low dropout voltage.
• TPS73633: A low-power alternative with a wide input voltage range and excellent transient response.

These alternative models provide similar functionality and can be considered as replacements for MIC29301-3.3WU-TR in various applications.

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