XC6121E438MR-G

Product Overview

Category

XC6121E438MR-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: XC6121E438MR-G provides a stable output voltage.
• 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.
• Thermal shutdown protection: It automatically shuts down to prevent damage from excessive heat.

Package

XC6121E438MR-G comes in a small surface-mount package.

Essence

The essence of XC6121E438MR-G lies in its ability to maintain a constant voltage output, ensuring reliable operation of electronic devices.

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: 4.38V
• Maximum output current: 150mA
• Dropout voltage: 200mV (at 100mA)
• Quiescent current: 25µA (typical)
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

XC6121E438MR-G has three pins:

1. VIN: Input voltage pin
2. VOUT: Output voltage pin
3. GND: Ground pin

Functional Features

• Voltage regulation: Maintains a stable output voltage regardless of input voltage fluctuations.
• Low dropout voltage: Operates efficiently even when the input voltage is close to the desired output voltage.
• Low quiescent current: Consumes minimal current when no load is connected.
• Thermal shutdown protection: Automatically shuts down to prevent damage from excessive heat.

Advantages and Disadvantages

Advantages

• Stable output voltage ensures reliable operation of electronic devices.
• Low dropout voltage allows efficient operation even with low input voltages.
• Low quiescent current minimizes power consumption.
• Thermal shutdown protection prevents damage from overheating.

Disadvantages

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

Working Principles

XC6121E438MR-G is a linear voltage regulator that uses a feedback mechanism to maintain a constant output voltage. It compares the output voltage with a reference voltage and adjusts the internal circuitry to achieve the desired output voltage. The regulator continuously monitors the input voltage and adjusts its internal components to compensate for any changes, ensuring a stable output voltage.

Detailed Application Field Plans

XC6121E438MR-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 to XC6121E438MR-G are: - XC6121C438MR-G: Similar specifications, but with a different package. - XC6121D438MR-G: Higher maximum output current (200mA), but slightly higher dropout voltage. - XC6121F438MR-G: Lower quiescent current (15µA), but with a narrower input voltage range (2.7V - 5.5V).

These alternative models provide similar functionality but may have slight variations in specifications or package options.

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