XC6121E741ER-G

Product Overview

Category

XC6121E741ER-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: XC6121E741ER-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 fault or short circuit.

Package

XC6121E741ER-G is available in a compact SOT-23-5 package, which is widely used for surface mount applications.

Essence

The essence of XC6121E741ER-G lies in its ability to maintain a constant voltage output, ensuring reliable operation of electronic devices.

Packaging/Quantity

The product 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

XC6121E741ER-G has five pins arranged as follows:

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Pin 1: VIN (Input voltage) Pin 2: GND (Ground) Pin 3: NC (No connection) Pin 4: VOUT (Output voltage) Pin 5: CE (Control enable)

Functional Features

• Voltage regulation: XC6121E741ER-G maintains a stable output voltage even when the input voltage varies.
• Overcurrent protection: It limits the current to protect the circuit from damage.
• Low dropout voltage: The regulator operates efficiently even with a small difference between input and output voltages.
• Low quiescent current: It consumes minimal current when no load is connected, conserving power.

Advantages and Disadvantages

Advantages

• Stable output voltage ensures reliable operation of electronic devices.
• Compact package size allows for easy integration into various circuits.
• Overcurrent protection safeguards the circuit from damage.
• Low dropout voltage enables efficient operation even with low input-output voltage differentials.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Narrow input voltage range restricts its compatibility with certain systems.

Working Principles

XC6121E741ER-G utilizes a feedback mechanism to regulate the output voltage. It compares the actual output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage. This feedback loop continuously monitors and adjusts the voltage to compensate for any fluctuations in the input or load conditions.

Detailed Application Field Plans

XC6121E741ER-G finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - IoT devices - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to XC6121E741ER-G are: - LM1117-3.3: A popular linear voltage regulator with similar specifications. - AP2112-3.3: Another low dropout voltage regulator suitable for various applications. - MCP1700-3302E: A compact and low quiescent current voltage regulator.

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements and availability.

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