XC6121A521ER-G

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Accuracy, Low Quiescent Current
• Package: SOT-23-5
• Essence: This IC is designed to regulate voltage in electronic circuits, ensuring a stable and reliable power supply.
• Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Output Current: 150mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 30μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The XC6121A521ER-G has a SOT-23-5 package with the following pin configuration:

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

Functional Features

• Low Dropout: The XC6121A521ER-G has a low dropout voltage, allowing it to regulate voltage even when the input voltage is close to the desired output voltage.
• High Accuracy: This voltage regulator provides high accuracy in maintaining the output voltage within specified limits.
• Low Quiescent Current: The quiescent current of only 30μA ensures minimal power consumption when the device is in standby mode.

Advantages and Disadvantages

Advantages: - Low dropout voltage enables efficient regulation. - High accuracy ensures stable output voltage. - Low quiescent current minimizes power consumption.

Disadvantages: - Limited output current of 150mA may not be suitable for high-power applications. - SOT-23-5 package may require careful handling during soldering.

Working Principles

The XC6121A521ER-G is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the feedback voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The XC6121A521ER-G can be used in various electronic devices and circuits, including but not limited to: - Battery-powered devices - Portable consumer electronics - IoT (Internet of Things) devices - Embedded systems - Automotive electronics

Detailed and Complete Alternative Models

• XC6121A521DR-G: Same specifications and features as XC6121A521ER-G, but available in a different package (SOT-89-5).
• XC6121B521ER-G: Similar specifications and features, but with a higher output current of 500mA.
• XC6121C521ER-G: Similar specifications and features, but with an adjustable output voltage range.

Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's datasheet for a complete list.

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