XC6121A221ER-G

Product Overview

Category

XC6121A221ER-G belongs to the category of voltage regulators.

Use

It is commonly used for voltage regulation in electronic circuits.

Characteristics

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 2.2V
• Maximum Output Current: 150mA
• Low Dropout Voltage: 200mV (at 100mA)
• Low Quiescent Current: 30μA (typical)
• Package Type: SOT-23-5
• Operating Temperature Range: -40°C to +85°C

Package and Quantity

XC6121A221ER-G is available in a SOT-23-5 package. It is typically sold in reels containing a specified quantity of units.

Specifications

The specifications for XC6121A221ER-G are as follows:

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 2.2V
• Output Voltage Accuracy: ±2%
• Maximum Output Current: 150mA
• Dropout Voltage: 200mV (at 100mA)
• Quiescent Current: 30μA (typical)
• Ripple Rejection Ratio: 70dB (typical)
• Load Regulation: ±0.5% (typical)
• Line Regulation: ±0.3% (typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23-5

Pin Configuration

The pin configuration of XC6121A221ER-G is as follows:

```

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| | --| VOUT| --| GND | --| VIN | |____| ```

Functional Features

XC6121A221ER-G offers the following functional features:

• Low dropout voltage, ensuring stable output even with low input voltage.
• Low quiescent current, minimizing power consumption in standby mode.
• High ripple rejection ratio, reducing noise interference in the output signal.
• Excellent load and line regulation, maintaining a consistent output voltage under varying conditions.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for flexibility in various applications.
• Low dropout voltage ensures efficient voltage regulation.
• Low quiescent current minimizes power consumption.
• Small package size (SOT-23-5) enables space-saving designs.

Disadvantages

• Limited maximum output current of 150mA may not be suitable for high-power applications.
• Output voltage accuracy of ±2% may not meet the requirements of precision circuits.

Working Principles

XC6121A221ER-G is a linear voltage regulator that operates by using a 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

XC6121A221ER-G can be used in various applications, including but not limited to: - Battery-powered devices - Portable electronic devices - IoT devices - Consumer electronics - Automotive electronics

Alternative Models

Some alternative models that offer similar functionality to XC6121A221ER-G are: - XC6121B221ER-G - XC6121C221ER-G - XC6121D221ER-G

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

In conclusion, XC6121A221ER-G is a voltage regulator with a wide input voltage range, low dropout voltage, and low quiescent current. It is commonly used in various electronic applications and offers advantages such as flexibility, efficiency, and compact size. However, it has limitations in terms of maximum output current and output voltage accuracy. Users can consider alternative models based on their specific requirements.