XC6121F637MR-G

Product Overview

Category

XC6121F637MR-G belongs to the category of voltage regulators.

Use

It is commonly used in electronic circuits to regulate and stabilize the voltage supplied to various components.

Characteristics

• Voltage regulation: XC6121F637MR-G provides a stable output voltage.
• Low dropout voltage: It operates efficiently even when the input voltage is close to the output voltage.
• Low quiescent current: The regulator consumes minimal current when no load is connected.
• Overcurrent protection: It safeguards the circuit by limiting the current in case of a fault.
• Thermal shutdown protection: It prevents damage due to excessive heat.

Package

XC6121F637MR-G is available in a small form factor package, typically SOT-23-5.

Essence

The essence of XC6121F637MR-G lies in its ability to maintain a constant voltage level despite fluctuations in the input voltage.

Packaging/Quantity

XC6121F637MR-G is usually packaged in reels or tape and reel packaging. The quantity per reel varies depending on the manufacturer.

Specifications

• Input voltage range: 2.5V - 6.0V
• Output voltage: 3.3V
• Maximum output current: 100mA
• Dropout voltage: 150mV (typical)
• Quiescent current: 30µA (typical)
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

XC6121F637MR-G has five pins arranged as follows:

┌───┐ V IN │ │ GND V OUT│ │ NC └───┘

• VIN: Input voltage pin
• VOUT: Output voltage pin
• GND: Ground pin
• NC: No connection pin

Functional Features

1. Voltage Regulation: XC6121F637MR-G maintains a stable output voltage of 3.3V, regardless of input voltage fluctuations.
2. Low Dropout Voltage: It operates efficiently even when the input voltage is close to the output voltage, minimizing power loss.
3. Overcurrent Protection: The regulator limits the current to protect the circuit from damage in case of a fault.
4. Thermal Shutdown Protection: It shuts down the regulator if the temperature exceeds a safe threshold, preventing overheating.

Advantages and Disadvantages

Advantages

• Provides stable output voltage for electronic circuits.
• Efficient operation with low dropout voltage.
• Offers overcurrent and thermal shutdown protection.
• Small form factor package allows for space-saving designs.

Disadvantages

• Limited maximum output current (100mA).
• Not suitable for high-power applications.

Working Principles

XC6121F637MR-G utilizes internal circuitry to compare the output voltage with a reference voltage. It adjusts the pass transistor's resistance to maintain a constant output voltage. The regulator continuously monitors the input voltage and adjusts its internal components to compensate for any changes, ensuring a stable output.

Detailed Application Field Plans

XC6121F637MR-G finds applications in various electronic devices, including but not limited to: - Battery-powered devices - Portable consumer electronics - IoT devices - Wearable devices - Embedded systems

It is particularly useful in applications where a stable voltage supply is crucial for proper functioning of the circuitry.

Detailed and Complete Alternative Models

Some alternative models to XC6121F637MR-G include: - LM1117-3.3: A popular linear voltage regulator with similar specifications. - AP2112-3.3: Another low dropout voltage regulator suitable for various applications. - MCP1700-3302E: A low quiescent current regulator with a wide input voltage range.

These alternative models offer similar functionality and can be used as replacements depending on specific requirements.

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