MIC2954-02BS TR

Product Overview

Category

The MIC2954-02BS TR belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• High precision voltage regulation
• Low dropout voltage
• Thermal shutdown protection
• Short-circuit current limiting

Package

The MIC2954-02BS TR comes in a compact surface-mount package.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage output.

Packaging/Quantity

The MIC2954-02BS TR is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 26V
• Output Voltage Range: 1.25V to 23V
• Dropout Voltage: 300mV (typical)
• Maximum Output Current: 500mA
• Quiescent Current: 120µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC2954-02BS TR has the following pin configuration:

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

Functional Features

• High Precision Regulation: The MIC2954-02BS TR provides accurate and stable voltage regulation, ensuring reliable performance of electronic devices.
• Low Dropout Voltage: With a low dropout voltage, this regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
• Thermal Shutdown Protection: In case of excessive heat, the regulator automatically shuts down to prevent damage to the device.
• Short-Circuit Current Limiting: The MIC2954-02BS TR incorporates short-circuit current limiting to protect the circuit from excessive current flow during a short-circuit condition.

Advantages and Disadvantages

Advantages

• High precision voltage regulation ensures reliable performance.
• Low dropout voltage allows for efficient power conversion.
• Thermal shutdown protection prevents damage due to overheating.
• Short-circuit current limiting protects the circuit from excessive current flow.

Disadvantages

• Limited maximum output current of 500mA may not be suitable for high-power applications.
• The surface-mount package may require specialized equipment for soldering.

Working Principles

The MIC2954-02BS 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, regardless of changes in the input voltage or load conditions. This feedback loop ensures stable and accurate voltage regulation.

Detailed Application Field Plans

The MIC2954-02BS TR finds applications in various electronic devices and systems, including:

1. Battery-powered devices: Provides regulated voltage for portable electronics such as smartphones, tablets, and portable audio players.
2. Automotive electronics: Ensures stable voltage supply for automotive systems, including infotainment systems, lighting controls, and sensors.
3. Industrial control systems: Regulates voltage in industrial automation equipment, motor control systems, and instrumentation devices.
4. Communication systems: Used in routers, switches, and other network equipment to maintain stable voltage levels.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and features.
2. LT1763: Offers higher maximum output current and lower dropout voltage compared to MIC2954-02BS TR.
3. ADP3339: Provides adjustable output voltage and higher maximum output current.

These alternative models can be considered based on specific requirements and application needs.

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