XC6121A518ER-G

Product Overview

Category

XC6121A518ER-G belongs to the category of voltage regulators.

Use

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

Characteristics

• High precision voltage regulation
• Low dropout voltage
• Low quiescent current
• Thermal shutdown protection
• Short-circuit protection

Package

XC6121A518ER-G is available in a small SOT-23-5 package.

Essence

The essence of XC6121A518ER-G is to provide stable and regulated voltage to electronic devices.

Packaging/Quantity

It is typically packaged in reels containing 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage: 1.8V
• Output Current: 150mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

XC6121A518ER-G has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. NC (No Connection)
4. VOUT (Output Voltage)
5. EN (Enable)

Functional Features

• High Precision Voltage Regulation: The XC6121A518ER-G provides accurate and stable output voltage, ensuring reliable performance of connected devices.
• Low Dropout Voltage: With a low dropout voltage, this regulator can operate efficiently even when the input voltage is close to the output voltage.
• Low Quiescent Current: The low quiescent current minimizes power consumption when the device is in standby or idle mode.
• Thermal Shutdown Protection: It incorporates thermal shutdown protection to prevent damage due to excessive heat.
• Short-Circuit Protection: The regulator is equipped with short-circuit protection, safeguarding the circuit from potential damage.

Advantages and Disadvantages

Advantages

• High precision voltage regulation ensures stable performance of electronic devices.
• Low dropout voltage allows efficient operation even with low input voltages.
• Low quiescent current minimizes power consumption.
• Thermal shutdown protection prevents overheating.
• Short-circuit protection safeguards the circuit.

Disadvantages

• Limited output current capacity (150mA).
• Restricted input voltage range (2.5V - 6.0V).

Working Principles

XC6121A518ER-G operates based on the principle of a linear voltage regulator. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage despite changes in the input voltage or load conditions. By regulating the voltage, it ensures that connected devices receive a stable and reliable power supply.

Detailed Application Field Plans

XC6121A518ER-G finds applications in various electronic devices and circuits where precise voltage regulation is required. Some potential application fields include:

1. Mobile devices: Ensuring stable power supply for processors, memory modules, and other components.
2. IoT devices: Providing regulated voltage for sensors, microcontrollers, and wireless communication modules.
3. Automotive electronics: Regulating voltage for control units, infotainment systems, and lighting systems.
4. Industrial automation: Maintaining stable voltage for PLCs, motor drives, and sensor networks.
5. Consumer electronics: Powering audio/video equipment, gaming consoles, and portable devices.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to XC6121A518ER-G are:

1. LM1117-1.8: A popular linear voltage regulator with an output voltage of 1.8V and a maximum output current of 800mA.
2. LT1763-1.8: A low dropout linear regulator with an output voltage of 1.8V and a maximum output current of 500mA.
3. TPS7A18: An ultra-low noise linear regulator with an output voltage of 1.8V and a maximum output current of 150mA.

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

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