XC6121D321MR-G

Product Overview

Category

XC6121D321MR-G belongs to the category of voltage regulators.

Use

It is commonly used for voltage regulation in electronic circuits.

Characteristics

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 150mA
• Low Dropout Voltage: 160mV (at 100mA)
• Package Type: SOT-25
• Operating Temperature Range: -40°C to +85°C

Package and Quantity

XC6121D321MR-G is available in a SOT-25 package. It is typically sold in reels containing a specified quantity of units.

Specifications

The specifications of XC6121D321MR-G are as follows:

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Output Current: 150mA (maximum)
• Dropout Voltage: 160mV (at 100mA)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.3% (typical)
• Quiescent Current: 50µA (typical)
• Ripple Rejection Ratio: 70dB (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The pin configuration of XC6121D321MR-G is as follows:

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Pin 1: VIN (Input Voltage) Pin 2: GND (Ground) Pin 3: VOUT (Output Voltage)

Functional Features

XC6121D321MR-G offers the following functional features:

• Low dropout voltage, ensuring efficient voltage regulation even with small input-output differentials.
• Wide input voltage range, allowing compatibility with various power sources.
• High ripple rejection ratio, minimizing the impact of input voltage fluctuations on the output.
• Excellent line and load regulation, maintaining stable output voltage under varying conditions.
• Low quiescent current, reducing power consumption in standby or low-load situations.

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures efficient voltage regulation.
• Wide input voltage range provides flexibility in power source selection.
• Excellent line and load regulation for stable output voltage.
• Low quiescent current reduces power consumption.

Disadvantages

• Maximum output current limited to 150mA.
• SOT-25 package may not be suitable for all applications.

Working Principles

XC6121D321MR-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 obtained from a voltage divider circuit. The pass transistor adjusts its resistance to maintain a constant output voltage despite variations in the input voltage and load conditions.

Detailed Application Field Plans

XC6121D321MR-G finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Communication equipment

Alternative Models

Some alternative models that can be considered as alternatives to XC6121D321MR-G are: - XC6206P332MR-G - XC6220B331MR-G - XC6219B331MR-G - XC6221B331MR-G - XC6221C331MR-G

These models offer similar voltage regulation capabilities and come in compatible packages.

In conclusion, XC6121D321MR-G is a voltage regulator with excellent characteristics, functional features, and a wide range of applications. Its low dropout voltage, wide input voltage range, and stable output make it a reliable choice for various electronic circuits and systems.

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