LM4051CIM3X-1.2/NOPB

Product Overview

Category

The LM4051CIM3X-1.2/NOPB belongs to the category of voltage references.

Use

This product is commonly used in electronic circuits to provide a stable and accurate voltage reference.

Characteristics

• Voltage Output: 1.2V
• Package Type: SOT-23
• Essence: Precision Micropower Shunt Voltage Reference
• Packaging/Quantity: Tape & Reel, 3000 pieces per reel

Specifications

The LM4051CIM3X-1.2/NOPB has the following specifications:

• Output Voltage: 1.2V ± 0.5%
• Temperature Coefficient: 50 ppm/°C (maximum)
• Quiescent Current: 60 µA (typical)
• Line Regulation: 0.02% (typical)
• Load Regulation: 0.05% (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM4051CIM3X-1.2/NOPB has three pins arranged as follows:

```

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| | --| VOUT |-- --| GND |-- --| VIN |-- |_______| ```

Functional Features

• High accuracy and stability: The LM4051CIM3X-1.2/NOPB provides a precise and stable output voltage of 1.2V, ensuring reliable performance in various applications.
• Low quiescent current: With a typical quiescent current of only 60 µA, this voltage reference minimizes power consumption and extends battery life in portable devices.
• Wide operating temperature range: The LM4051CIM3X-1.2/NOPB can operate in a temperature range from -40°C to +125°C, making it suitable for use in extreme environments.
• Low dropout voltage: The device has a low dropout voltage, enabling it to maintain accurate output voltage even when the input voltage is close to the desired output voltage.

Advantages and Disadvantages

Advantages

• High accuracy and stability
• Low quiescent current
• Wide operating temperature range
• Low dropout voltage

Disadvantages

• Limited output voltage options (only 1.2V)

Working Principles

The LM4051CIM3X-1.2/NOPB utilizes a shunt voltage reference topology. It generates a stable output voltage by comparing the voltage across a precision resistor with an internal reference voltage. This feedback mechanism ensures that the output voltage remains constant, regardless of variations in input voltage or load conditions.

Detailed Application Field Plans

The LM4051CIM3X-1.2/NOPB finds applications in various fields, including:

1. Portable Electronics: It is used as a voltage reference in battery-powered devices such as smartphones, tablets, and portable media players.
2. Industrial Control Systems: The LM4051CIM3X-1.2/NOPB provides a stable voltage reference for precise measurements and control in industrial automation systems.
3. Automotive Electronics: It is utilized in automotive applications for voltage regulation and sensor calibration.
4. Medical Devices: The LM4051CIM3X-1.2/NOPB ensures accurate voltage references in medical equipment, such as patient monitoring devices and diagnostic instruments.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LM4051CIM3X-1.2/NOPB include:

1. LT6656: Precision Voltage Reference with Low Dropout Voltage
2. MAX6190: Micropower Voltage Reference with High Accuracy
3. REF5025: Low-Noise, Low-Dropout Voltage Reference

These alternative models provide comparable performance and can be considered as substitutes for the LM4051CIM3X-1.2/NOPB in various applications.

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