LM4050BIM3X-8.2

Overview

Product Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Low dropout voltage - High accuracy - Low temperature coefficient - Low quiescent current - Small package size

Package: SOT-23-3

Essence: The LM4050BIM3X-8.2 is a precision voltage reference IC that provides a stable and accurate output voltage of 8.2V.

Packaging/Quantity: The LM4050BIM3X-8.2 is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Output Voltage: 8.2V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 200mV
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4050BIM3X-8.2 has a SOT-23-3 package with the following pin configuration:

```

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| | --| Vout | --| GND | --| Vin | |___________| ```

Functional Features

1. Low Dropout Voltage: The LM4050BIM3X-8.2 exhibits a low dropout voltage of only 200mV, allowing it to operate efficiently even when the input voltage is close to the desired output voltage.

2. High Accuracy: With an initial accuracy of ±0.5%, the LM4050BIM3X-8.2 ensures precise voltage references for various applications.

3. Low Temperature Coefficient: The temperature coefficient of 50ppm/°C guarantees minimal voltage variations with temperature changes, making it suitable for applications requiring stable voltage references.

4. Low Quiescent Current: The LM4050BIM3X-8.2 has a low quiescent current of 60µA, minimizing power consumption and extending battery life in portable devices.

Advantages and Disadvantages

Advantages: - High accuracy - Low dropout voltage - Low temperature coefficient - Small package size - Low quiescent current

Disadvantages: - Limited output voltage options (specifically designed for 8.2V)

Working Principles

The LM4050BIM3X-8.2 utilizes bandgap reference technology to generate a precise and stable output voltage. It compares the voltage across a temperature-stable resistor with a proportionate voltage derived from a bandgap cell. This comparison allows the IC to maintain a constant output voltage regardless of input voltage and temperature variations.

Detailed Application Field Plans

The LM4050BIM3X-8.2 is commonly used in various applications that require a stable and accurate voltage reference, such as:

1. Precision analog-to-digital converters (ADCs)
2. Digital-to-analog converters (DACs)
3. Voltage regulators
4. Battery management systems
5. Test and measurement equipment
6. Industrial control systems

Detailed and Complete Alternative Models

1. LM4040AIM3X-8.2: Similar to LM4050BIM3X-8.2, but available in an SOT-23-3 package.
2. LT1004CZ-8.2: Precision voltage reference with an output voltage of 8.2V, available in TO-92 package.
3. MAX6126AASA25: Ultra-low noise voltage reference with an output voltage of 2.5V, available in an 8-pin SOIC package.

These alternative models offer similar functionality and can be considered as substitutes for the LM4050BIM3X-8.2 in various applications.

In conclusion, the LM4050BIM3X-8.2 is a precision voltage reference IC that provides a stable and accurate output voltage of 8.2V. With its low dropout voltage, high accuracy, and small package size, it is suitable for a wide range of applications requiring precise voltage references. However, its limited output voltage options may be a disadvantage in certain scenarios.