XC6121E430MR-G

Product Overview

Category

XC6121E430MR-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: 4.3V
• 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

XC6121E430MR-G is available in a SOT-23-5 package. It is typically sold in reels containing a specified quantity of units.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 4.3V ±2%
• Output Current: Up to 150mA
• Dropout Voltage: 200mV (at 100mA)
• Quiescent Current: 30μA (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.5% (typical)
• Ripple Rejection Ratio: 70dB (typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23-5

Pin Configuration

The XC6121E430MR-G has the following pin configuration:

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

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output voltage differentials.
• Low quiescent current minimizes power consumption in standby or idle modes.
• Excellent line and load regulation characteristics ensure stable output voltage under varying conditions.
• Built-in overcurrent protection safeguards the circuit from excessive current.

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Small package size enables space-saving integration into compact electronic devices.
• Low dropout voltage ensures efficient power utilization.
• Low quiescent current prolongs battery life in portable applications.
• Overcurrent protection enhances system reliability.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• No adjustable output voltage option available.
• NC pin serves no function, reducing pin utility.

Working Principles

The XC6121E430MR-G is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage derived from the output. Any difference between these voltages is amplified and used to adjust the pass transistor, maintaining a stable output voltage.

Application Field Plans

The XC6121E430MR-G is commonly used in various electronic devices and systems, including:

1. Battery-powered devices such as portable audio players and handheld gaming consoles.
2. Mobile phones and smartphones.
3. Automotive electronics, including infotainment systems and navigation devices.
4. Industrial control systems and automation equipment.
5. Consumer electronics like digital cameras and camcorders.
6. Medical devices and healthcare equipment.

Alternative Models

Other voltage regulators that can be considered as alternatives to XC6121E430MR-G include:

1. LM1117-4.3: A popular fixed-output voltage regulator with similar specifications.
2. MCP1703-4.3: Another fixed-output voltage regulator with low dropout voltage.
3. LT1761-4.3: A high-performance, low dropout regulator with adjustable output voltage.

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

In conclusion, the XC6121E430MR-G is a voltage regulator that provides stable and regulated power supply in electronic circuits. Its compact size, low dropout voltage, and low quiescent current make it suitable for a wide range of applications. However, its limited maximum output current and lack of adjustable output voltage may restrict its usage in certain scenarios.