MIC2951-3.3BM-TR

Product Overview

Category

The MIC2951-3.3BM-TR belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Voltage regulation: The MIC2951-3.3BM-TR provides a regulated output voltage of 3.3V.
• Low dropout: It has a low dropout voltage, ensuring efficient power conversion.
• Current limiting: This voltage regulator incorporates current limiting features to protect the circuit from excessive current flow.
• Thermal shutdown: The device includes thermal shutdown protection to prevent overheating.

Package

The MIC2951-3.3BM-TR comes in a compact surface-mount package.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage to electronic circuits, ensuring proper functioning and protection against voltage fluctuations.

Packaging/Quantity

The MIC2951-3.3BM-TR is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input voltage range: 4.5V to 26V
• Output voltage: 3.3V
• Dropout voltage: 300mV (typical)
• Maximum output current: 150mA
• Quiescent current: 120µA (typical)
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The MIC2951-3.3BM-TR has the following pin configuration:

1. GND (Ground)
2. IN (Input voltage)
3. OUT (Output voltage)
4. BYP (Bypass capacitor connection)
5. ADJ (Adjustment pin)

Functional Features

• Voltage regulation: The MIC2951-3.3BM-TR maintains a constant output voltage of 3.3V, regardless of input voltage fluctuations.
• Current limiting: It incorporates current limiting functionality to protect the circuit from excessive current flow, preventing damage to connected components.
• Thermal shutdown: The device includes thermal shutdown protection, which activates when the temperature exceeds a certain threshold, safeguarding against overheating.

Advantages and Disadvantages

Advantages

• Stable output voltage: The MIC2951-3.3BM-TR ensures a stable and regulated output voltage, providing reliable power to electronic circuits.
• Low dropout voltage: With a low dropout voltage, this voltage regulator minimizes power dissipation and improves overall efficiency.
• Compact package: The surface-mount package makes it suitable for space-constrained applications.

Disadvantages

• Limited maximum output current: The MIC2951-3.3BM-TR has a maximum output current of 150mA, which may not be sufficient for high-power applications.
• Narrow input voltage range: The input voltage range of 4.5V to 26V may limit its compatibility with certain systems requiring higher or lower voltages.

Working Principles

The MIC2951-3.3BM-TR operates based on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage of 3.3V. This is achieved by regulating the current flow through the device, compensating for any variations in the input voltage.

Detailed Application Field Plans

The MIC2951-3.3BM-TR finds application in various electronic systems, including but not limited to: - Battery-powered devices - Embedded systems - IoT (Internet of Things) devices - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

• LM1117-3.3: A popular alternative with similar specifications and pin configuration.
• LT1763-3.3: Another alternative offering low dropout voltage and higher maximum output current.
• NCP1117-3.3: An alternative with a wider input voltage range and comparable performance.

These alternative models can be considered based on specific requirements and compatibility with the target application.

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