LM4040CIM7-2.5/NOPB

Product Overview

Category

The LM4040CIM7-2.5/NOPB belongs to the category of voltage references.

Use

It is commonly used as a precision shunt regulator for various applications.

Characteristics

• Voltage Reference: The LM4040CIM7-2.5/NOPB provides a stable and accurate voltage reference of 2.5V.
• Low Dropout Voltage: It has a low dropout voltage, ensuring efficient operation even with small input-output differentials.
• High Accuracy: This product offers high accuracy and low temperature coefficient, making it suitable for precision applications.
• Low Quiescent Current: The LM4040CIM7-2.5/NOPB has a low quiescent current, minimizing power consumption.
• Wide Temperature Range: It operates reliably over a wide temperature range, making it suitable for various environments.

Package

The LM4040CIM7-2.5/NOPB is available in a SOT-23 package.

Essence

The essence of LM4040CIM7-2.5/NOPB lies in its ability to provide a stable and accurate voltage reference for precise applications.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 60mV (typical)
• Quiescent Current: 60µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM4040CIM7-2.5/NOPB has three pins:

1. VOUT: Output pin, connected to the load.
2. GND: Ground pin, connected to the reference ground.
3. VIN: Input pin, connected to the input voltage source.

Functional Features

• Voltage Regulation: The LM4040CIM7-2.5/NOPB provides a stable output voltage of 2.5V, ensuring accurate and reliable operation of the connected circuitry.
• Low Dropout: With a low dropout voltage, this product can maintain regulation even when the input voltage is close to the output voltage.
• Low Quiescent Current: The LM4040CIM7-2.5/NOPB consumes minimal current in standby mode, reducing power consumption.
• Temperature Stability: It exhibits excellent temperature stability, maintaining accuracy over a wide temperature range.
• Short Circuit Protection: This product incorporates short circuit protection, safeguarding the connected circuitry from damage.

Advantages and Disadvantages

Advantages

• High accuracy and low temperature coefficient ensure precise voltage references.
• Low dropout voltage allows efficient operation with small input-output differentials.
• Wide temperature range enables reliable performance in various environments.
• Low quiescent current minimizes power consumption.

Disadvantages

• Limited output voltage options (specifically 2.5V).
• SOT-23 package may have size limitations for certain applications.

Working Principles

The LM4040CIM7-2.5/NOPB operates as a shunt regulator. It compares the reference voltage (2.5V) with the input voltage and adjusts the current flow through the shunt resistor to maintain a constant output voltage. By regulating the current, it ensures that the output voltage remains stable and accurate.

Detailed Application Field Plans

The LM4040CIM7-2.5/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. Industrial Control Systems: This product provides stable voltage references for control systems, enhancing their reliability and accuracy.
3. Automotive Electronics: It is utilized in automotive applications such as engine management systems and electronic control units (ECUs) to maintain precise voltage references.
4. Communication Systems: The LM4040CIM7-2.5/NOPB is employed in communication devices to ensure accurate signal processing and reliable data transmission.

Detailed and Complete Alternative Models

1. LM4040AIM3-2.5/NOPB: Similar to LM4040CIM7-2.5/NOPB, but available in a SOT-23 package with an initial accuracy of ±0.2%.
2. LM4040CIZ-2.5/NOPB: Provides the same 2.5V output voltage, but available in a TO-92 package with an initial accuracy of ±0.1%.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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