XC6121A542MR-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
• Output Current: 150mA
• Dropout Voltage: 200mV @ 100mA
• Quiescent Current: 30µA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.3% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The XC6121A542MR-G is a 5-pin device with the following pin configuration:

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

Functional Features

• Low dropout voltage ensures stable output even with low input voltage.
• High accuracy provides precise output voltage regulation.
• Low quiescent current minimizes power consumption in standby mode.
• Built-in overcurrent protection safeguards the circuit from excessive current.

Advantages

• Small package size allows for space-saving designs.
• Wide input voltage range enables compatibility with various power sources.
• Excellent line and load regulation ensures stable performance.
• Low dropout voltage reduces power dissipation and extends battery life.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• SOT-23-5 package may require surface mount soldering expertise.

Working Principles

The XC6121A542MR-G is a linear voltage regulator that maintains a stable output voltage regardless of input voltage fluctuations. It achieves this by using a pass transistor to regulate the voltage drop across it. The enable pin allows for easy on/off control of the regulator.

Detailed Application Field Plans

The XC6121A542MR-G is commonly used in various electronic devices and systems, including:

1. Battery-powered portable devices (e.g., smartphones, tablets)
2. Wearable devices (e.g., smartwatches, fitness trackers)
3. IoT devices (e.g., sensors, smart home devices)
4. Automotive electronics (e.g., infotainment systems, navigation systems)
5. Industrial equipment (e.g., control systems, measurement instruments)

Detailed and Complete Alternative Models

1. XC6121A542DR-G: Same specifications, but in DFN2020-6 package.
2. XC6121A542NR-G: Same specifications, but in SOT-89-5 package.
3. XC6121A542PR-G: Same specifications, but in SOT-25 package.

These alternative models provide flexibility in choosing the most suitable package for specific application requirements.

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