XC6121A349MR-G

Product Overview

Category

XC6121A349MR-G belongs to the category of voltage regulators.

Use

It is commonly used in electronic circuits to regulate and stabilize voltage levels.

Characteristics

• Voltage regulation: XC6121A349MR-G provides a stable output voltage.
• Low dropout voltage: It operates efficiently even when the input voltage is close to the output voltage.
• Low quiescent current: The regulator consumes minimal current when no load is connected.
• Thermal shutdown protection: It automatically shuts down to prevent damage from excessive heat.
• Short-circuit protection: It safeguards against short-circuits, preventing damage to the circuitry.

Package

XC6121A349MR-G is available in a small surface-mount package.

Essence

The essence of XC6121A349MR-G lies in its ability to regulate voltage effectively and efficiently.

Packaging/Quantity

The product is typically packaged in reels or tape and reel packaging. The quantity per reel varies depending on the manufacturer.

Specifications

• Input voltage range: 2.5V - 6.0V
• Output voltage: 3.3V
• Maximum output current: 150mA
• Dropout voltage: 200mV (typical)
• Quiescent current: 30µA (typical)
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

XC6121A349MR-G has the following pin configuration:

```

---

| | --| VIN VOUT |-- --| GND EN |-- |___________| ```

• VIN: Input voltage pin
• VOUT: Output voltage pin
• GND: Ground pin
• EN: Enable pin (used to enable or disable the regulator)

Functional Features

• Voltage regulation: XC6121A349MR-G maintains a stable output voltage regardless of input voltage fluctuations.
• Low dropout voltage: It can operate efficiently even when the input voltage is close to the desired output voltage.
• Low quiescent current: The regulator consumes minimal current when there is no load connected, conserving power.
• Thermal shutdown protection: It automatically shuts down if the temperature exceeds a safe threshold, preventing damage.
• Short-circuit protection: It safeguards against short-circuits, protecting the circuitry from potential damage.

Advantages and Disadvantages

Advantages

• Provides stable output voltage
• Efficient operation with low dropout voltage
• Low quiescent current for power conservation
• Built-in thermal shutdown protection
• Offers short-circuit protection

Disadvantages

• Limited maximum output current (150mA)
• Restricted input voltage range (2.5V - 6.0V)

Working Principles

XC6121A349MR-G operates based on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage. By continuously monitoring and adjusting, it ensures a stable voltage supply to the connected electronic components.

Detailed Application Field Plans

XC6121A349MR-G finds applications in various electronic devices and circuits, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Wearable devices - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to XC6121A349MR-G are: - XC6121B349MR-G - XC6121C349MR-G - XC6121D349MR-G - XC6121E349MR-G

These models have slight variations in specifications or package types, providing flexibility for different design requirements.

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