XC6121A550MR-G

Product Overview

Category

XC6121A550MR-G belongs to the category of voltage regulators.

Use

It is commonly used for regulating voltage in electronic circuits.

Characteristics

• Package: The XC6121A550MR-G comes in a small SOT-25 package.
• Essence: This voltage regulator is designed to provide stable and regulated output voltage.
• Packaging/Quantity: It is typically available in reels or tubes, with varying quantities depending on the supplier.

Specifications

The specifications of XC6121A550MR-G are as follows:

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage: 5.5V
• Output Current: Up to 150mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 40µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The XC6121A550MR-G has three pins:

1. VIN (Input Voltage): Connects to the input voltage source.
2. VOUT (Output Voltage): Provides the regulated output voltage.
3. GND (Ground): Connected to the ground reference.

Functional Features

• Low Dropout Voltage: The XC6121A550MR-G exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: With a low quiescent current, this voltage regulator minimizes power consumption when the load is light.
• Overcurrent Protection: It incorporates overcurrent protection to safeguard the circuit from excessive current flow.
• Thermal Shutdown: The device includes thermal shutdown protection to prevent damage due to overheating.

Advantages and Disadvantages

Advantages

• Compact Size: The SOT-25 package makes it suitable for space-constrained applications.
• Wide Input Voltage Range: The XC6121A550MR-G can operate within a wide input voltage range, providing flexibility in various electronic systems.
• Low Quiescent Current: It consumes minimal power during standby or light load conditions.

Disadvantages

• Limited Output Current: The maximum output current of 150mA may not be sufficient for high-power applications.
• Dropout Voltage: The dropout voltage of 200mV might affect the efficiency in certain low-voltage applications.

Working Principles

The XC6121A550MR-G is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The XC6121A550MR-G finds applications in various electronic devices, including but not limited to: - Battery-powered devices - Portable audio players - Mobile phones - Digital cameras - Wearable devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to XC6121A550MR-G are: - XC6121B550MR-G - XC6121C550MR-G - XC6121D550MR-G

These models have different characteristics and specifications, allowing users to choose the most suitable option for their specific requirements.

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