MIC2182-5.0YSM

Product Overview

Category

MIC2182-5.0YSM belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 4.5V to 28V
• Output Voltage: 5V
• Maximum Output Current: 1A
• Dropout Voltage: 300mV at 1A
• Low Quiescent Current: 120µA
• Thermal Shutdown Protection
• Short-Circuit Protection
• Adjustable Soft-Start
• Small Package Size: SOT-223

Packaging/Quantity

MIC2182-5.0YSM is available in a SOT-223 package. It is typically sold in reels containing 2500 units.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage: 5V ±2%
• Output Current: Up to 1A
• Dropout Voltage: 300mV at 1A
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-223

Pin Configuration

MIC2182-5.0YSM has the following pin configuration:

```

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| | --| VIN GND |-- Pin 1: Ground --| VOUT EN |-- Pin 2: Enable --| FB NC |-- Pin 3: No Connection --| NC NC |-- Pin 4: No Connection |___________| ```

Functional Features

1. Wide Input Voltage Range: The MIC2182-5.0YSM can accept input voltages ranging from 4.5V to 28V, making it suitable for a variety of applications.
2. Stable Output Voltage: It provides a regulated output voltage of 5V with a tolerance of ±2%.
3. Low Dropout Voltage: The dropout voltage is as low as 300mV at 1A, minimizing power dissipation and maximizing efficiency.
4. Low Quiescent Current: With a quiescent current of only 120µA, the regulator consumes minimal power during standby or idle conditions.
5. Thermal Shutdown Protection: The device incorporates thermal shutdown protection to prevent damage due to excessive temperature.
6. Short-Circuit Protection: It features built-in short-circuit protection, safeguarding the circuit from potential damage in case of a fault.
7. Adjustable Soft-Start: The regulator includes an adjustable soft-start feature, allowing for controlled startup and reducing inrush current.
8. Compact Package Size: The SOT-223 package offers a small footprint, making it suitable for space-constrained applications.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile use.
• Stable and accurate output voltage regulation.
• Low dropout voltage minimizes power dissipation.
• Low quiescent current reduces power consumption.
• Thermal shutdown and short-circuit protection enhance reliability.
• Adjustable soft-start feature prevents excessive inrush current.
• Compact package size enables usage in space-limited designs.

Disadvantages

• Limited maximum output current of 1A may not be sufficient for high-power applications.
• Noisy input voltage may affect the stability of the output voltage.

Working Principles

MIC2182-5.0YSM is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage with a reference voltage and adjusting the pass transistor accordingly to maintain a stable output voltage. The regulator employs a feedback loop to continuously monitor and adjust the output voltage, compensating for any variations in the input voltage or load conditions.

Application Field Plans

MIC2182-5.0YSM finds applications in various fields, including but not limited to: 1. Power supplies for microcontrollers and other digital ICs. 2. Battery-powered devices requiring a stable 5V supply. 3. Automotive electronics. 4. Industrial control systems. 5. Consumer electronics. 6. Communication equipment.

Alternative Models

Some alternative models that offer similar functionality to MIC2182-5.0YSM include: 1. LM7805: A widely used linear voltage regulator with a fixed 5V output. 2. LT1084: A high-current linear voltage regulator with adjustable output voltage. 3. TPS7A4700: A low-dropout linear voltage regulator with adjustable output voltage and high PSRR (Power Supply Rejection Ratio). 4. NCP1117: A low dropout linear voltage regulator with a fixed 5V output and thermal shutdown protection.

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

In conclusion