XC6121D444MR-G

Product Overview

Category

XC6121D444MR-G belongs to the category of voltage regulators.

Use

It is commonly used to regulate and stabilize voltage 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: 200mV (at 100mA)
• Low Quiescent Current: 30µA (typical)
• Package Type: SOT-25
• Operating Temperature Range: -40°C to +85°C

Package and Quantity

XC6121D444MR-G is available in a SOT-25 package. It is typically sold in reels containing a quantity of 3000 units.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Output Current: Up to 150mA
• Dropout Voltage: 200mV (at 100mA)
• Quiescent Current: 30µA (typical)
• Line Regulation: ±0.3% (typical)
• Load Regulation: ±0.5% (typical)
• Ripple Rejection Ratio: 70dB (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The XC6121D444MR-G has the following pin configuration:

```

---

| | --|----|-- |____| ```

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

Functional Features

• Low dropout voltage ensures efficient voltage regulation even with low input voltages.
• Low quiescent current minimizes power consumption in standby mode.
• Wide input voltage range allows for flexibility in various applications.
• Excellent line and load regulation ensures stable output voltage under different operating conditions.
• High ripple rejection ratio reduces the impact of noise on the output voltage.

Advantages

• Compact SOT-25 package enables space-saving designs.
• Wide input voltage range makes it suitable for a variety of applications.
• Low dropout voltage ensures efficient voltage regulation.
• Low quiescent current minimizes power consumption.
• Excellent line and load regulation provides stable output voltage.

Disadvantages

• Maximum output current limited to 150mA, which may not be sufficient for high-power applications.
• Limited temperature range (-40°C to +85°C) may restrict usage in extreme environments.

Working Principles

The XC6121D444MR-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 using a low resistance pass transistor.

Application Field Plans

The XC6121D444MR-G can be used in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive applications - Medical equipment

Alternative Models

Some alternative models that offer similar functionality to XC6121D444MR-G are: - XC6206P332MR-G - XC6220B332MR-G - XC6219B332MR-G - XC6221B332MR-G

These models have comparable specifications and pin configurations, providing alternatives for different design requirements.

In conclusion, the XC6121D444MR-G is a voltage regulator with a wide input voltage range, low dropout voltage, and low quiescent current. It is suitable for various applications and offers advantages such as compact size and stable output voltage. However, it has limitations in terms of maximum output current and operating temperature range. Alternative models are available to cater to different design needs.