MIC29503WT

Product Overview

Category

MIC29503WT belongs to the category of voltage regulators.

Use

It is primarily used for regulating and stabilizing voltage in electronic circuits.

Characteristics

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

Package

MIC29503WT comes in a TO-220 package, which is a widely used through-hole package for power semiconductors.

Essence

The essence of MIC29503WT lies in its ability to provide stable and regulated voltage output, ensuring reliable operation of electronic devices.

Packaging/Quantity

MIC29503WT is typically packaged in reels or tubes, with quantities varying depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 2.5V to 26V
• Output Voltage Range: 1.24V to 20V
• Dropout Voltage: 450mV at 500mA
• Maximum Output Current: 1A
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

MIC29503WT has three pins:

1. VIN (Pin 1): Input voltage pin.
2. VOUT (Pin 2): Output voltage pin.
3. GND (Pin 3): Ground reference pin.

Functional Features

• High Precision Regulation: MIC29503WT provides precise voltage regulation, ensuring stable output even under varying load conditions.
• Low Dropout Voltage: The low dropout voltage allows the regulator to operate efficiently even when the input voltage is close to the desired output voltage.
• Thermal Shutdown Protection: In case of excessive temperature rise, the regulator shuts down to prevent damage.
• Current Limiting: MIC29503WT incorporates current limiting functionality to protect the circuit from excessive current.
• Short-Circuit Protection: It offers protection against short-circuits, preventing damage to the regulator and the connected circuitry.

Advantages and Disadvantages

Advantages

• High precision voltage regulation ensures stable output.
• Low dropout voltage allows efficient operation.
• Thermal shutdown protection prevents damage due to overheating.
• Current limiting protects the circuit from excessive current.
• Short-circuit protection safeguards the regulator and connected components.

Disadvantages

• Limited maximum output current of 1A may not be suitable for high-power applications.
• The TO-220 package may require additional space on the PCB compared to surface-mount packages.

Working Principles

MIC29503WT utilizes a combination of internal circuitry, feedback mechanisms, and control elements to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain the desired output voltage.

Detailed Application Field Plans

MIC29503WT finds applications in various electronic devices and systems, including but not limited to: - Power supplies - Battery-powered devices - Automotive electronics - Industrial control systems - Audio amplifiers - Embedded systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to MIC29503WT are: - LM317T - LT1083CP - LM1117-ADJ - L7805CV - NCP1117ST50T3G

These models offer similar functionality and can be used as substitutes based on specific requirements and availability.

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