XC6121C345MR-G

Product Overview

Category

XC6121C345MR-G belongs to the category of voltage regulators.

Use

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

Characteristics

• High precision voltage regulation
• Low dropout voltage
• Low quiescent current
• Thermal shutdown protection
• Short circuit protection

Package

XC6121C345MR-G is available in a small form factor SOT-23-5 package.

Essence

The essence of XC6121C345MR-G is to provide a stable and regulated voltage supply to electronic devices.

Packaging/Quantity

XC6121C345MR-G is typically packaged in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage: 3.45V
• Dropout Voltage: 200mV @ 100mA
• Quiescent Current: 30µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

XC6121C345MR-G has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. NC (No Connection)
4. VOUT (Output Voltage)
5. EN (Enable)

Functional Features

• Voltage regulation: XC6121C345MR-G ensures a stable output voltage regardless of input voltage fluctuations.
• Low dropout voltage: It minimizes power dissipation and extends battery life in portable devices.
• Low quiescent current: The regulator consumes minimal current when no load is connected, reducing power consumption.
• Thermal shutdown protection: It shuts down the device in case of excessive temperature, preventing damage.
• Short circuit protection: It safeguards the regulator and connected components from damage during short circuit conditions.

Advantages and Disadvantages

Advantages

• High precision voltage regulation ensures stable performance of electronic devices.
• Low dropout voltage reduces power dissipation and extends battery life.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short circuit protection safeguards the regulator and connected components.

Disadvantages

• Limited input voltage range (2.5V - 6.0V).
• Quiescent current, although low, still consumes some power.

Working Principles

XC6121C345MR-G operates by comparing the output voltage with a reference voltage. It adjusts the resistance in the feedback loop to maintain a constant output voltage. The enable pin allows the user to control the regulator's operation.

Detailed Application Field Plans

XC6121C345MR-G finds applications in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Digital cameras - Wireless communication devices

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to XC6121C345MR-G are: - LM1117-3.3 - LT1763-3.3 - MCP1703-3.3 - TPS73633

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

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