XC6121F742MR-G

Product Overview

Category

XC6121F742MR-G belongs to the category of voltage regulators.

Use

It is commonly used in electronic circuits to regulate and stabilize the voltage supplied to various components.

Characteristics

• Voltage regulation: XC6121F742MR-G provides a stable output voltage regardless of input voltage fluctuations.
• Low dropout voltage: It operates efficiently even when the input voltage is close to the desired output voltage.
• Low quiescent current: The regulator consumes minimal power when no load is connected.
• Overcurrent protection: It safeguards the circuit by limiting the current flow in case of a fault.
• Thermal shutdown: It automatically shuts down to prevent damage due to excessive heat.

Package

XC6121F742MR-G is available in a small form factor package, making it suitable for space-constrained applications.

Essence

The essence of XC6121F742MR-G lies in its ability to provide stable and regulated voltage to electronic circuits, ensuring proper functioning of various components.

Packaging/Quantity

It is typically packaged in reels or tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Input voltage range: 2.5V - 6.0V
• Output voltage: 3.3V
• Maximum output current: 150mA
• Dropout voltage: 200mV (at 100mA)
• Quiescent current: 30µA (typical)
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

XC6121F742MR-G has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. EN: Enable pin (optional)

Functional Features

• Voltage regulation: XC6121F742MR-G maintains a stable output voltage regardless of input voltage variations.
• Low dropout voltage: It operates efficiently even when the input voltage is close to the desired output voltage.
• Overcurrent protection: The regulator limits the current flow to protect the circuit from damage.
• Thermal shutdown: It automatically shuts down to prevent overheating and subsequent damage.

Advantages and Disadvantages

Advantages

• Provides stable and regulated voltage for electronic circuits.
• Small form factor package suitable for space-constrained applications.
• Low dropout voltage ensures efficient operation.
• Overcurrent protection safeguards the circuit.
• Thermal shutdown prevents damage due to excessive heat.

Disadvantages

• Limited maximum output current (150mA).
• Input voltage range restricted to 2.5V - 6.0V.

Working Principles

XC6121F742MR-G utilizes internal circuitry to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a constant output voltage. The overcurrent protection feature limits the current flow, while thermal shutdown protects the device from overheating.

Detailed Application Field Plans

XC6121F742MR-G finds applications in various electronic devices, including but not limited to: - Mobile phones - Portable media players - Digital cameras - Wireless communication devices - Battery-powered devices

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to XC6121F742MR-G are: - LM1117-3.3 - LT1763-3.3 - MCP1703-3302E/DB

These models offer similar voltage regulation capabilities and can be used as substitutes depending on specific requirements.

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