XC6121D743MR-G

Product Overview

Category

XC6121D743MR-G belongs to the category of voltage regulators.

Use

It is used to regulate and stabilize voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 3.3V
• Maximum Output Current: 150mA
• Low Dropout Voltage: 100mV at 100mA
• Low Quiescent Current: 30μA (typical)
• Thermal Shutdown Protection
• Short Circuit Protection

Package

XC6121D743MR-G comes in a small SOT-25 package.

Essence

The essence of XC6121D743MR-G is its ability to provide stable and regulated voltage for various electronic devices.

Packaging/Quantity

It is typically packaged in reels, with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 3.3V
• Output Current: 150mA (maximum)
• Dropout Voltage: 100mV at 100mA
• Quiescent Current: 30μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

XC6121D743MR-G has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin

Functional Features

• Voltage Regulation: XC6121D743MR-G ensures a stable output voltage of 3.3V regardless of input voltage fluctuations.
• Low Dropout Voltage: It maintains a low dropout voltage of 100mV at 100mA load, minimizing power loss.
• Thermal Shutdown Protection: The regulator automatically shuts down when the temperature exceeds a certain threshold, protecting the device from overheating.
• Short Circuit Protection: It has built-in protection against short circuits, preventing damage to the regulator and connected devices.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Low dropout voltage minimizes power dissipation.
• Thermal shutdown and short circuit protection enhance reliability and safety.

Disadvantages

• Maximum output current of 150mA may not be sufficient for high-power applications.
• Limited operating temperature range (-40°C to +85°C) may restrict usage in extreme environments.

Working Principles

XC6121D743MR-G is a linear voltage regulator that uses a feedback mechanism to maintain a constant output voltage. It compares the output voltage with a reference voltage and adjusts the internal circuitry to regulate the output voltage at the desired level. The regulator continuously monitors the input voltage and adjusts its internal components to compensate for any changes, ensuring a stable output voltage.

Detailed Application Field Plans

XC6121D743MR-G can be used in various electronic applications, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Consumer electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to XC6121D743MR-G are: - XC6121C743MR-G: Similar specifications, but with a different package (SOT-89) - XC6121D743NR-G: Same specifications, but without thermal shutdown protection - XC6121E743MR-G: Higher maximum output current (300mA), but with a slightly higher dropout voltage

These alternative models provide flexibility in choosing the most suitable voltage regulator based on specific requirements and constraints.

In conclusion, XC6121D743MR-G is a voltage regulator that offers stable and regulated voltage output, low dropout voltage, and various protection features. It finds applications in a wide range of electronic devices and provides alternatives with different specifications to cater to specific needs.