XC6121E641ER-G

Product Overview

Category

XC6121E641ER-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: XC6121E641ER-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 current when no load is connected.
• Overcurrent protection: It safeguards the circuit by limiting the current in case of a short circuit or excessive load.
• Thermal shutdown protection: It automatically shuts down if the temperature exceeds a certain threshold, preventing damage due to overheating.

Package

XC6121E641ER-G is available in a compact SOT-23-5 package.

Essence

The essence of XC6121E641ER-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 sold in reels containing a specific quantity, such as 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

XC6121E641ER-G has five pins arranged as follows:

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Pin 1: VIN (Input voltage) Pin 2: GND (Ground) Pin 3: EN (Enable) Pin 4: NC (No connection) Pin 5: VOUT (Output voltage)

Functional Features

• Voltage regulation: XC6121E641ER-G maintains a constant output voltage of 3.3V, regardless of input voltage variations.
• Low dropout voltage: It can operate efficiently even when the input voltage is only slightly higher than the desired output voltage.
• Overcurrent protection: The regulator limits the current to protect the circuit from damage in case of a short circuit or excessive load.
• Thermal shutdown protection: It automatically shuts down if the temperature exceeds a certain threshold, preventing overheating.

Advantages and Disadvantages

Advantages

• Provides stable and regulated voltage for electronic circuits.
• Compact package size allows for easy integration into various applications.
• Low quiescent current minimizes power consumption.
• Offers overcurrent and thermal shutdown protection for enhanced safety.

Disadvantages

• Limited maximum output current of 150mA may not be suitable for high-power applications.
• Dropout voltage of 200mV may affect efficiency in low input voltage scenarios.

Working Principles

XC6121E641ER-G utilizes internal circuitry to compare the output voltage with a reference voltage. It adjusts the internal resistance to maintain a constant output voltage, compensating for any fluctuations in the input voltage. The enable pin allows for control of the regulator's operation.

Detailed Application Field Plans

XC6121E641ER-G finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - IoT devices - Embedded systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to XC6121E641ER-G include: - LM1117-3.3: A popular linear voltage regulator with a fixed 3.3V output. - AP2112-3.3: A low dropout voltage regulator with a 3.3V output. - MCP1700-3302E: Another low dropout voltage regulator providing a fixed 3.3V output.

These alternatives can be considered based on specific requirements and availability in the market.

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