XC6121E721MR-G

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low dropout, high accuracy, low quiescent current
• Package: SOT-23-5
• Essence: Linear voltage regulator
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 30µA typical
• Load Regulation: ±0.5% typical
• Line Regulation: ±0.3% typical
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The XC6121E721MR-G has a SOT-23-5 package with the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. NC: No connection
5. VOUT: Output voltage pin

Functional Features

• Low dropout voltage ensures stable output even with small input-output differentials.
• High accuracy provides precise voltage regulation for sensitive applications.
• Low quiescent current minimizes power consumption in standby mode.
• Enable pin allows for easy on/off control of the regulator.

Advantages and Disadvantages

Advantages: - Compact SOT-23-5 package saves board space. - Wide input voltage range enables versatile applications. - Excellent load and line regulation ensure stable output under varying conditions.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - SOT-23-5 package may require additional thermal management for dissipating heat.

Working Principles

The XC6121E721MR-G is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The XC6121E721MR-G is suitable for various applications, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Wearable devices - Consumer electronics

Detailed and Complete Alternative Models

• XC6121E721MR-G: 2.5V to 6.0V input, 1.2V to 5.5V output, SOT-23-5 package
• XC6121E722MR-G: 2.5V to 6.0V input, 1.8V to 5.5V output, SOT-23-5 package
• XC6121E723MR-G: 2.5V to 6.0V input, 2.5V to 5.5V output, SOT-23-5 package
• XC6121E724MR-G: 2.5V to 6.0V input, 3.3V to 5.5V output, SOT-23-5 package

These alternative models provide different output voltage options while maintaining similar input voltage ranges and package types.

In conclusion, the XC6121E721MR-G is a low dropout voltage regulator with high accuracy and low quiescent current. Its compact package and wide input voltage range make it suitable for various applications. However, it has limitations in terms of maximum output current and may require additional thermal management.