LM4040DIM3X-5.0/NOPB

Product Overview

Category

The LM4040DIM3X-5.0/NOPB belongs to the category of voltage references.

Use

It is commonly used as a precision shunt regulator in various electronic circuits.

Characteristics

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

Package

The LM4040DIM3X-5.0/NOPB comes in a small SOT-23 package, which is suitable for surface mount applications.

Essence

This product serves as a precise voltage reference, providing a stable output voltage regardless of input variations.

Packaging/Quantity

The LM4040DIM3X-5.0/NOPB is typically available in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Output Voltage: 5.0V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Operating Voltage Range: 2.7V to 10V
• Quiescent Current: 60µA (typical)

Detailed Pin Configuration

The LM4040DIM3X-5.0/NOPB has three pins:

1. VOUT: Output pin, provides a stable 5.0V reference voltage.
2. GND: Ground pin, connected to the common ground of the circuit.
3. VIN: Input pin, receives the input voltage to be regulated.

Functional Features

• Precise Voltage Reference: The LM4040DIM3X-5.0/NOPB ensures a highly accurate and stable output voltage of 5.0V.
• Temperature Stability: It exhibits a low temperature coefficient of 50ppm/°C, ensuring minimal voltage variations with temperature changes.
• Wide Operating Range: The device can operate within a wide voltage range of 2.7V to 10V, making it suitable for various applications.
• Low Power Consumption: With a quiescent current of only 60µA, the LM4040DIM3X-5.0/NOPB minimizes power consumption in the circuit.

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure precise voltage regulation.
• Low temperature coefficient reduces voltage variations with temperature changes.
• Wide operating voltage range allows for versatile application.
• Low quiescent current consumption minimizes power usage.

Disadvantages

• Limited output voltage options (only 5.0V available).
• SOT-23 package may not be suitable for all applications.

Working Principles

The LM4040DIM3X-5.0/NOPB utilizes a bandgap reference circuit to generate a stable 5.0V output voltage. It compensates for temperature variations by employing a proportional-to-absolute-temperature (PTAT) current source and a negative temperature coefficient (NTC) resistor. This ensures that the output voltage remains constant even when the ambient temperature changes.

Detailed Application Field Plans

The LM4040DIM3X-5.0/NOPB finds applications in various fields, including:

1. Precision Instrumentation: It is used as a voltage reference in precision measurement equipment, ensuring accurate readings.
2. Analog-to-Digital Converters (ADCs): The LM4040DIM3X-5.0/NOPB provides a stable reference voltage for ADCs, improving their accuracy.
3. Voltage Regulators: It serves as a precise shunt regulator in voltage regulator circuits, maintaining a stable output voltage.
4. Sensor Calibration: The LM4040DIM3X-5.0/NOPB is employed in sensor calibration circuits to provide a stable reference voltage for accurate sensor measurements.

Detailed and Complete Alternative Models

1. LM4040DIM3-2.5/NOPB: Provides a 2.5V output voltage with similar characteristics.
2. LM4040DIM3-4.1/NOPB: Offers a 4.1V output voltage with comparable specifications.
3. LM4040DIM3-10.0/NOPB: Provides a 10.0V output voltage, suitable for specific applications requiring higher voltage references.

These alternative models offer different output voltage options while maintaining the accuracy and stability of the LM4040DIM3X-5.0/NOPB.

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