LM4050AIM3-2.5

Product Overview

Category

LM4050AIM3-2.5 belongs to the category of voltage references.

Use

It is commonly used as a precision voltage reference in various electronic circuits.

Characteristics

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

Package

LM4050AIM3-2.5 is available in a small SOT-23 package.

Essence

The essence of LM4050AIM3-2.5 lies in its ability to provide a precise and stable voltage reference, which is crucial for accurate operation of many electronic devices.

Packaging/Quantity

LM4050AIM3-2.5 is typically sold in reels containing 3000 units per reel.

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 200mV (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

LM4050AIM3-2.5 has three pins:

1. VOUT: Output voltage pin.
2. GND: Ground reference pin.
3. VIN: Input voltage pin.

Functional Features

LM4050AIM3-2.5 offers the following functional features:

• Precise and stable output voltage of 2.5V.
• Low dropout voltage ensures efficient operation even with low input voltages.
• Excellent initial accuracy and low temperature coefficient ensure high precision over a wide temperature range.
• Low output impedance allows it to drive various loads effectively.

Advantages and Disadvantages

Advantages

• High accuracy and stability make it suitable for precision applications.
• Low dropout voltage enables efficient operation in low voltage systems.
• Wide operating temperature range allows for use in extreme environments.

Disadvantages

• Limited output voltage options restrict its applicability in certain circuits.
• SOT-23 package may not be suitable for all applications requiring higher power dissipation.

Working Principles

LM4050AIM3-2.5 utilizes a bandgap reference circuit to generate a stable and precise voltage reference. 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 over a wide temperature range.

Detailed Application Field Plans

LM4050AIM3-2.5 finds applications in various fields, including:

1. Precision analog-to-digital converters (ADCs)
2. Voltage regulators
3. Battery-powered devices
4. Test and measurement equipment
5. Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to LM4050AIM3-2.5 are:

1. LM4040AIM3-2.5: Similar specifications and package, but with an initial accuracy of ±0.2%.
2. LT6656BIS6-2.5: Higher initial accuracy of ±0.05%, but in a different package (SOT-23-6).
3. MAX6126AASA25: Lower dropout voltage of 120mV, but with a higher initial accuracy of ±0.05%.

These alternative models provide options with varying trade-offs in terms of accuracy, dropout voltage, and package suitability.

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