XC6123C539ER-G

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Accuracy, Low Quiescent Current
• Package: SOT-23-5
• Essence: Regulates voltage to provide a stable output
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.0V
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 30µA
• Load Regulation: ±0.5%
• Line Regulation: ±0.3%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The XC6123C539ER-G is a 5-pin device with the following pin configuration:

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

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High accuracy provides precise output voltage regulation.
• Low quiescent current minimizes power consumption.
• Enable pin allows for easy on/off control.

Advantages and Disadvantages

Advantages: - Wide input voltage range enables versatile applications. - Small package size saves board space. - Excellent load and line regulation for stable performance. - Low quiescent current prolongs battery life in portable devices.

Disadvantages: - Limited output current capability (100mA). - Dropout voltage may cause efficiency loss in low input voltage scenarios.

Working Principles

The XC6123C539ER-G is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a feedback voltage derived from the output. The pass transistor adjusts its resistance to maintain a constant output voltage, compensating for changes in input voltage and load conditions.

Detailed Application Field Plans

The XC6123C539ER-G is suitable for various applications that require stable voltage regulation. Some potential application fields include:

1. Battery-powered devices: Provides regulated power supply for portable electronics such as smartphones, tablets, and wearables.
2. Industrial equipment: Ensures stable voltage for sensors, actuators, and control systems in industrial automation.
3. Automotive electronics: Regulates voltage for automotive modules, infotainment systems, and lighting applications.
4. Communication systems: Maintains steady power supply for routers, switches, and wireless access points.
5. Medical devices: Offers reliable voltage regulation for medical instruments and diagnostic equipment.

Detailed and Complete Alternative Models

1. XC6206P332MR-G: Low dropout voltage regulator with 3.3V fixed output voltage.
2. XC6219B332MR-G: Ultra-low quiescent current regulator with 3.3V adjustable output voltage.
3. XC6220C332MR-G: High accuracy regulator with 3.3V fixed output voltage and thermal shutdown protection.

These alternative models provide similar functionality and can be considered based on specific requirements.

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