LM285LPR-2-5

Overview

Product Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Low Dropout Voltage - High Accuracy - Low Temperature Coefficient - Low Quiescent Current

Package: TO-92

Essence: LM285LPR-2-5 is a precision voltage reference IC that provides a stable and accurate output voltage.

Packaging/Quantity: Available in tape and reel packaging, with 1000 units per reel.

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±1%
• Temperature Coefficient: 50ppm/°C
• Quiescent Current: 120µA
• Dropout Voltage: 200mV
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM285LPR-2-5 has three pins:

1. VOUT: Output Voltage Pin
2. GND: Ground Pin
3. VIN: Input Voltage Pin

Functional Features

• Stable Output: The LM285LPR-2-5 provides a precise and stable output voltage of 2.5V, ensuring reliable performance in various applications.
• Low Dropout Voltage: With a dropout voltage of only 200mV, this voltage reference IC can operate efficiently even when the input voltage is close to the output voltage.
• High Accuracy: The initial accuracy of ±1% ensures precise voltage references for critical applications.
• Low Temperature Coefficient: The temperature coefficient of 50ppm/°C minimizes the impact of temperature variations on the output voltage.
• Low Quiescent Current: With a quiescent current of only 120µA, the LM285LPR-2-5 consumes minimal power, making it suitable for low-power applications.

Advantages and Disadvantages

Advantages: - Precise and stable output voltage - Low dropout voltage - High accuracy - Low temperature coefficient - Low quiescent current

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

Working Principles

The LM285LPR-2-5 is based on bandgap reference technology, which utilizes the voltage difference between two different semiconductor junctions to generate a stable reference voltage. This technology ensures accurate and reliable voltage references over a wide range of operating conditions.

Application Field Plans

The LM285LPR-2-5 can be used in various applications that require a precise and stable voltage reference. Some potential application fields include:

1. Power Management: The IC can be used in power management circuits to provide a stable voltage reference for voltage regulators, ensuring consistent power supply to other components.
2. Analog-to-Digital Conversion: It can be utilized in analog-to-digital converters to establish a reference voltage for accurate conversion of analog signals into digital data.
3. Sensor Calibration: The LM285LPR-2-5 can be employed in sensor calibration circuits to provide a reliable and accurate reference voltage for calibrating sensor outputs.

Alternative Models

Some alternative models that offer similar functionality to the LM285LPR-2-5 are:

1. LM4040: A precision voltage reference IC available in various output voltage options.
2. LT1021: A high-precision voltage reference with low temperature drift and noise characteristics.
3. REF5025: A low-dropout voltage reference IC with high accuracy and low quiescent current.

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

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