LM4120AIM5X-4.1/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Output Voltage: 4.1V - Package Type: SOT-23-5 - Operating Temperature Range: -40°C to +125°C - Initial Accuracy: ±0.2% - Low Dropout Voltage: 200mV (typical) - Low Quiescent Current: 120µA (typical) - Excellent Line Regulation: 0.02% (typical) - Excellent Load Regulation: 0.05% (typical)

Package and Quantity: The LM4120AIM5X-4.1/NOPB is available in a SOT-23-5 package, which contains 3000 units per reel.

Specifications

The LM4120AIM5X-4.1/NOPB voltage reference has the following specifications:

• Output Voltage: 4.1V ±0.2%
• Input Voltage Range: 2.7V to 12V
• Quiescent Current: 120µA (typical), 150µA (maximum)
• Dropout Voltage: 200mV (typical), 400mV (maximum)
• Line Regulation: 0.02% (typical), 0.05% (maximum)
• Load Regulation: 0.05% (typical), 0.15% (maximum)
• Temperature Coefficient: 50ppm/°C (typical), 100ppm/°C (maximum)

Pin Configuration

The LM4120AIM5X-4.1/NOPB has the following pin configuration:

____ V+ | | ------| |------ | | GND | | ------|____|

Functional Features

The LM4120AIM5X-4.1/NOPB voltage reference offers the following functional features:

1. High Accuracy: The initial accuracy of ±0.2% ensures precise voltage reference.
2. Low Dropout Voltage: With a dropout voltage as low as 200mV, it can operate efficiently even with low input voltages.
3. Low Quiescent Current: The low quiescent current of 120µA minimizes power consumption.
4. Excellent Line and Load Regulation: It provides excellent line and load regulation, ensuring stable output voltage under varying conditions.
5. Wide Operating Temperature Range: The LM4120AIM5X-4.1/NOPB can operate in a wide temperature range from -40°C to +125°C.

Advantages and Disadvantages

Advantages: - High accuracy - Low dropout voltage - Low quiescent current - Excellent line and load regulation - Wide operating temperature range

Disadvantages: - Limited output voltage options (only available in 4.1V)

Working Principles

The LM4120AIM5X-4.1/NOPB is a precision voltage reference that generates a stable output voltage of 4.1V. It utilizes bandgap reference technology to achieve high accuracy and stability. The internal circuitry compensates for temperature variations, ensuring consistent performance across a wide temperature range. The low dropout voltage and low quiescent current make it suitable for battery-powered applications.

Application Field Plans

The LM4120AIM5X-4.1/NOPB voltage reference finds applications in various fields, including:

1. Portable Electronics: It can be used in battery-powered devices such as smartphones, tablets, and portable media players.
2. Industrial Control Systems: The LM4120AIM5X-4.1/NOPB is suitable for use in industrial control systems that require precise voltage references.
3. Automotive Electronics: It can be utilized in automotive applications where stable voltage references are essential for proper operation.
4. Medical Devices: The LM4120AIM5X-4.1/NOPB can be employed in medical devices that require accurate and stable voltage references.

Alternative Models

Here are some alternative models to the LM4120AIM5X-4.1/NOPB:

1. LM4040AIM3-4.1/NOPB: This model offers a similar output voltage of 4.1V but comes in a different package (SOT-23-3).
2. LT1461AIS8-4.1#PBF: This model provides a 4.1V output voltage and comes in an SOIC-8 package.
3. MAX6126AASA41+: This model offers a 4.096V output voltage and comes in an SOIC-8 package.

These alternative models can be considered based on specific requirements and compatibility with the application.

In conclusion, the LM412