XC6121E720MR-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 @ 100mA
• Quiescent Current: 20µA
• Load Regulation: ±0.5%
• Line Regulation: ±0.3%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The XC6121E720MR-G has a total of five pins arranged as follows:

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

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: - Wide input voltage range allows for flexibility in various applications. - Excellent load and line regulation ensure consistent performance. - Small package size enables space-saving designs. - Low quiescent current extends battery life in portable devices.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Dropout voltage may cause efficiency loss in low input voltage scenarios.

Working Principles

The XC6121E720MR-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. The dropout voltage is the minimum voltage required for the regulator to function properly.

Detailed Application Field Plans

The XC6121E720MR-G is commonly used in various electronic devices, including:

1. Battery-powered devices: Portable audio players, handheld gaming consoles, and digital cameras.
2. Mobile devices: Smartphones, tablets, and wearable devices.
3. Industrial equipment: Sensors, control systems, and measurement instruments.
4. Automotive electronics: Infotainment systems, navigation units, and lighting controls.
5. Communication devices: Routers, modems, and wireless access points.

Detailed and Complete Alternative Models

1. XC6121E720MR-G-ND: Same specifications and package as XC6121E720MR-G.
2. XC6121E720MR-H: Higher maximum output current of 200mA.
3. XC6121E720MR-L: Lower quiescent current of 10µA.
4. XC6121E720MR-S: Smaller SOT-23-3 package with three pins.

These alternative models provide options based on specific requirements and design constraints.

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