XC6221A252MR-G

Product Overview

• Category: Voltage Regulator
• Use: Power management
• Characteristics: Low dropout voltage, low quiescent current, high ripple rejection ratio
• Package: SOT-25
• Essence: Linear voltage regulator
• Packaging/Quantity: Tape and reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage Range: 1.2V to 5.0V (selectable in 0.1V steps)
• Dropout Voltage: 200mV @ 100mA
• Quiescent Current: 30μA (typical)
• Ripple Rejection Ratio: 70dB (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The XC6221A252MR-G has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin

Functional Features

• Low dropout voltage: The XC6221A252MR-G maintains a stable output voltage even when the input voltage is close to the desired output voltage.
• Low quiescent current: The device consumes minimal current when in standby mode, resulting in increased battery life.
• High ripple rejection ratio: The voltage regulator effectively filters out noise and ripple from the input voltage, providing a clean and stable output.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for flexibility in various applications. - Selectable output voltage enables customization based on specific requirements. - Small package size (SOT-25) makes it suitable for space-constrained designs.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Requires external capacitors for stability, adding to the overall component count.

Working Principles

The XC6221A252MR-G is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage. The dropout voltage is minimized by utilizing a low resistance pass transistor.

Detailed Application Field Plans

The XC6221A252MR-G is commonly used in various applications, including: - Battery-powered devices - Portable consumer electronics - Industrial equipment - Automotive systems

Detailed and Complete Alternative Models

Some alternative models to the XC6221A252MR-G include: - XC6221B252MR-G: Similar specifications but with a different package (SOT-89) - XC6221C252MR-G: Higher maximum output current (150mA) but with a slightly higher dropout voltage - XC6221D252MR-G: Lower quiescent current (10μA) but with a smaller input voltage range (2.5V to 5.5V)

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