XC6121E421MR-G

Product Overview

Category

XC6121E421MR-G belongs to the category of voltage regulators.

Use

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

Characteristics

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.8V to 5.0V
• Maximum Output Current: 150mA
• Low Dropout Voltage: 200mV (at 100mA)
• Low Quiescent Current: 30μA (typical)
• Package Type: SOT-23-5
• Operating Temperature Range: -40°C to +85°C

Package and Quantity

XC6121E421MR-G is packaged in a SOT-23-5 package. It is available in quantities specified by the manufacturer.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.8V to 5.0V
• Output Current: Up to 150mA
• Dropout Voltage: 200mV (at 100mA)
• Quiescent Current: 30μA (typical)
• Load Regulation: ±0.5% (typical)
• Line Regulation: ±0.3% (typical)
• Ripple Rejection Ratio: 70dB (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The XC6121E421MR-G has the following pin configuration:

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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

• Low dropout voltage ensures efficient regulation even with small input-output voltage differentials.
• Low quiescent current minimizes power consumption in standby mode.
• Excellent load and line regulation provide stable output voltage under varying conditions.
• Good ripple rejection ratio reduces noise in the output voltage.

Advantages

• Wide input voltage range allows for compatibility with various power sources.
• Small package size enables space-saving integration into compact electronic devices.
• Low dropout voltage ensures efficient power conversion.
• Low quiescent current prolongs battery life in portable applications.
• Good load and line regulation provide stable performance.

Disadvantages

• Maximum output current of 150mA may not be sufficient for high-power applications.
• Limited output voltage range may restrict compatibility with certain devices.

Working Principles

The XC6121E421MR-G is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage, adjusting the pass transistor's resistance to maintain a stable output voltage. The enable pin allows for control of the regulator's operation.

Application Field Plans

The XC6121E421MR-G can be used in various applications, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Consumer electronics - Industrial equipment

Alternative Models

Some alternative models that offer similar functionality to XC6121E421MR-G include: - XC6206P332MR-G - XC6220B331MR-G - XC6219B331MR-G - XC6220C331MR-G - XC6220D331MR-G

These models have comparable specifications and can be considered as alternatives based on specific requirements.

In conclusion, the XC6121E421MR-G is a voltage regulator with a wide input voltage range, low dropout voltage, and low quiescent current. It is packaged in a compact SOT-23-5 package and offers stable output voltage regulation. While it has limitations in terms of maximum output current and output voltage range, it finds applications in various fields and has alternative models for specific needs.