LM4040D50IDCKR

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Low dropout voltage - High accuracy - Low temperature coefficient - Small package size - Easy to use

Package: SC-70 (SOT-323)

Essence: LM4040D50IDCKR is a precision voltage reference IC that provides a stable and accurate output voltage.

Packaging/Quantity: The LM4040D50IDCKR is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Output Voltage: 5.0V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 20ppm/°C
• Dropout Voltage: 60mV (typical)
• Quiescent Current: 60µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM4040D50IDCKR has three pins:

1. VOUT: Output pin for the reference voltage.
2. GND: Ground connection.
3. VIN: Input pin for the supply voltage.

Functional Features

• High accuracy: The LM4040D50IDCKR provides a precise and stable output voltage of 5.0V, ensuring reliable performance in various applications.
• Low dropout voltage: With a low dropout voltage of only 60mV, the IC can operate efficiently even when the input voltage is close to the output voltage.
• Low temperature coefficient: The LM4040D50IDCKR exhibits a low temperature coefficient of 20ppm/°C, minimizing output voltage variations with temperature changes.
• Small package size: The SC-70 package (SOT-323) offers a compact footprint, making it suitable for space-constrained applications.
• Easy to use: The IC requires minimal external components, simplifying the design and reducing overall system complexity.

Advantages and Disadvantages

Advantages: - High accuracy and stability - Low dropout voltage - Small package size - Easy to integrate into various circuits

Disadvantages: - Limited output voltage options (only 5.0V)

Working Principles

The LM4040D50IDCKR is based on a bandgap reference circuit that generates a stable voltage reference. It utilizes temperature-compensated diodes and amplifiers to achieve high accuracy and low temperature coefficient characteristics. The input voltage is regulated to provide a precise 5.0V output voltage, which remains constant even with variations in supply voltage and temperature.

Detailed Application Field Plans

The LM4040D50IDCKR is widely used in various electronic systems and applications, including:

1. Precision analog circuits
2. Data converters (ADCs, DACs)
3. Voltage regulators
4. Portable devices
5. Battery-powered systems
6. Industrial control systems
7. Medical equipment
8. Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to LM4040D50IDCKR include:

1. LM4040AIM3-5.0/NOPB
2. LT1004CZ-5.0
3. MAX6126AASA50+
4. REF5025AIDGKT
5. ADR4550BRZ

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

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