MIC5356-SGYMME

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Thermal shutdown protection - Short-circuit current limit - Wide input voltage range

Package: SOT-23-5

Essence: The MIC5356-SGYMME is a voltage regulator IC designed to provide a stable output voltage from a varying input voltage source.

Packaging/Quantity: The MIC5356-SGYMME is available in a SOT-23-5 package. Each package contains one unit of the IC.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: Adjustable from 1.2V to 3.3V
• Dropout Voltage: 150mV at 150mA
• Output Current: Up to 500mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC5356-SGYMME has the following pin configuration:

```

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| | --| VOUT GND|-- --| VIN EN |-- --| FB NC |-- --| NC NC |-- |___________| ```

• VOUT: Output Voltage
• GND: Ground
• VIN: Input Voltage
• EN: Enable Pin
• FB: Feedback Pin
• NC: No Connection

Functional Features

1. Low Dropout Voltage: The MIC5356-SGYMME exhibits a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.

2. High Output Current Capability: With a maximum output current of 500mA, the MIC5356-SGYMME can power a wide range of devices.

3. Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, which prevents damage due to excessive temperature.

4. Short-Circuit Current Limit: The MIC5356-SGYMME has a built-in short-circuit current limit feature that protects the IC and the connected circuitry in case of a short circuit.

5. Wide Input Voltage Range: The IC can operate with input voltages ranging from 2.7V to 5.5V, making it suitable for various applications.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation - High output current capability allows for powering demanding devices - Thermal shutdown protection prevents overheating - Short-circuit current limit protects the IC and connected circuitry - Wide input voltage range provides flexibility in application

Disadvantages: - Limited output voltage adjustment range (1.2V to 3.3V) - SOT-23-5 package may require surface mount soldering expertise

Working Principles

The MIC5356-SGYMME is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the feedback voltage (FB) with a reference voltage to adjust the pass transistor's resistance, maintaining a stable output voltage. The enable pin (EN) controls the regulator's operation, allowing for power-saving modes when not required.

Detailed Application Field Plans

The MIC5356-SGYMME is commonly used in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable audio players - Mobile phones - Wireless communication modules - Embedded systems - IoT devices

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and pin configuration.
2. LT1763-3.3: Another alternative with lower dropout voltage and higher output current capability.
3. MCP1700-3302E: An alternative with a fixed 3.3V output voltage and lower quiescent current.

These alternatives can be considered based on specific requirements and application constraints.

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