LM185BXH-2.5

Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Low dropout voltage - High accuracy - Low temperature coefficient - Low quiescent current - Wide operating temperature range

Package: TO-92

Essence: LM185BXH-2.5 is a precision voltage reference IC that provides a stable and accurate output voltage of 2.5V.

Packaging/Quantity: The LM185BXH-2.5 is available in a TO-92 package and is typically sold in reels or tubes containing multiple units.

Specifications

• Output Voltage: 2.5V ± 0.5%
• Dropout Voltage: 300mV (typical)
• Quiescent Current: 120µA (typical)
• Temperature Coefficient: 50ppm/°C (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM185BXH-2.5 has three pins:

1. Vout: Output pin, connected to the load.
2. Vin: Input pin, connected to the power supply.
3. GND: Ground pin, connected to the reference ground.

Functional Features

• Low Dropout Voltage: The LM185BXH-2.5 exhibits a low dropout voltage, ensuring efficient operation even when the input voltage is close to the desired output voltage.
• High Accuracy: With a tolerance of ±0.5%, the LM185BXH-2.5 provides precise and reliable voltage reference.
• Low Temperature Coefficient: The temperature coefficient of 50ppm/°C ensures minimal variation in output voltage with temperature changes.
• Low Quiescent Current: The IC consumes only 120µA of current, making it suitable for low-power applications.
• Wide Operating Temperature Range: The LM185BXH-2.5 can operate in a wide temperature range from -40°C to +85°C, making it suitable for various environments.

Advantages and Disadvantages

Advantages: - High accuracy - Low dropout voltage - Low quiescent current - Wide operating temperature range

Disadvantages: - Limited output voltage options (only 2.5V)

Working Principles

The LM185BXH-2.5 is based on bandgap reference technology. It utilizes the inherent properties of semiconductor materials to generate a stable reference voltage. The IC compensates for temperature variations and provides a precise output voltage of 2.5V.

Detailed Application Field Plans

The LM185BXH-2.5 finds applications in various fields, including: 1. Precision analog circuits 2. Voltage regulators 3. Data acquisition systems 4. Battery-powered devices 5. Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that provide similar functionality to LM185BXH-2.5 are: 1. LM385BZ-2.5: Provides a 2.5V reference voltage with similar characteristics. 2. LT1004CZ-2.5: Offers a precision 2.5V reference voltage with low temperature coefficient. 3. REF102CU-2.5: A high-accuracy 2.5V voltage reference with low dropout voltage.

These alternative models can be considered based on specific requirements and availability.

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