LM4040B50IDCKR

Product Overview

LM4040B50IDCKR belongs to the category of precision voltage references. It is commonly used in electronic circuits to provide a stable and accurate reference voltage for various applications. The LM4040B50IDCKR is known for its high accuracy, low temperature coefficient, and small package size. It is available in a variety of packages, including SOT-23 and SC-70, and is typically sold in reels or tubes.

Specifications

• Output Voltage: 5.0V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 20ppm/°C
• Operating Temperature Range: -40°C to 125°C
• Package Type: SOT-23, SC-70
• Packaging: Reel, Tube

Detailed Pin Configuration

The LM4040B50IDCKR typically comes in a 3-pin SOT-23 or SC-70 package. The pin configuration is as follows: 1. VOUT (Output) 2. NC (No Connection) 3. VIN (Input)

Functional Features

The LM4040B50IDCKR provides a stable 5.0V output voltage with high accuracy and low temperature drift. It operates as a shunt regulator, maintaining a constant voltage drop across its terminals regardless of variations in input voltage or load current. This makes it suitable for precision analog and digital circuits requiring a reliable voltage reference.

Advantages and Disadvantages

Advantages

• High accuracy
• Low temperature coefficient
• Small package size
• Wide operating temperature range

Disadvantages

• Limited output current capability
• Higher cost compared to standard voltage regulators

Working Principles

The LM4040B50IDCKR utilizes a bandgap voltage reference circuit to generate a stable 5.0V output. It compares the bandgap reference voltage to an internal amplifier and adjusts the output to maintain the desired voltage level. This ensures that the output remains constant even in the presence of varying input voltages and load conditions.

Detailed Application Field Plans

The LM4040B50IDCKR finds applications in various fields, including: - Precision analog and digital circuits - Data acquisition systems - Instrumentation and measurement equipment - Portable consumer electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to LM4040B50IDCKR include: - LM385 - LT1021 - MAX6126

These alternatives offer similar precision voltage reference capabilities and can be considered based on specific application requirements.

In conclusion, the LM4040B50IDCKR is a precision voltage reference that offers high accuracy, stability, and reliability for a wide range of electronic applications. Its compact size and excellent performance make it a popular choice among designers seeking precise voltage regulation in their circuits.

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