XC6121E747ER-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 ensure stable power supply
• 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 (typical)
• Load Regulation: ±0.5% (typical)
• Line Regulation: ±0.3% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The XC6121E747ER-G has a total of five pins arranged as follows:

```

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| | --| VOUT GND|-- Pin 1 --| VIN NC |-- Pin 2 --| EN NC |-- Pin 3 --| NC NC |-- Pin 4 --| NC VIN |-- Pin 5 |___________| ```

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High accuracy provides precise output voltage regulation.
• Low quiescent current minimizes power consumption.
• Built-in overcurrent protection safeguards the circuit.
• Thermal shutdown protection prevents overheating.

Advantages and Disadvantages

Advantages: - Compact SOT-23-5 package allows for space-saving designs. - Wide input voltage range enables versatile applications. - Excellent load and line regulation ensure stable performance. - Low quiescent current prolongs battery life in portable devices.

Disadvantages: - Limited output current capability (up to 100mA). - Not suitable for high-power applications. - Requires external components for stability and filtering.

Working Principles

The XC6121E747ER-G is a voltage regulator IC that maintains a stable output voltage regardless of input voltage fluctuations. It utilizes a feedback mechanism to compare the actual output voltage with a reference voltage, adjusting the internal circuitry to achieve the desired output. The dropout voltage is minimized to ensure efficient power conversion, while the low quiescent current reduces unnecessary power consumption.

Detailed Application Field Plans

The XC6121E747ER-G finds applications in various electronic devices where a stable voltage supply is crucial. Some potential application fields include:

1. Portable Electronics: Smartphones, tablets, and wearable devices benefit from the XC6121E747ER-G's low quiescent current and compact package, extending battery life and enabling smaller form factors.
2. Industrial Control Systems: The voltage regulator ensures reliable power supply for sensors, actuators, and control circuits in industrial automation systems, enhancing overall system performance.
3. Automotive Electronics: With its wide input voltage range and robust protection features, the XC6121E747ER-G can be used in automotive applications such as infotainment systems, lighting controls, and engine management units.
4. IoT Devices: Internet of Things (IoT) devices often operate on limited power sources. The XC6121E747ER-G's low dropout voltage and accurate regulation make it suitable for IoT nodes, smart home devices, and wireless sensor networks.

Detailed and Complete Alternative Models

1. XC6206P332MR-G: SOT-23-5 package, 3.3V output voltage, 200mV dropout voltage, 30µA quiescent current.
2. XC6219B182MR-G: SOT-23-5 package, 1.8V output voltage, 150mV dropout voltage, 50µA quiescent current.
3. XC6220C332MR-G: SOT-23-5 package, 3.3V output voltage, 300mV dropout voltage, 25µA quiescent current.

These alternative models offer similar functionality and characteristics to the XC6121E747ER-G, providing designers with flexibility in choosing the most suitable voltage regulator for their specific requirements.

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