LM285BXZ-2.5/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

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

Package: SOT-23

Essence: The LM285BXZ-2.5/NOPB is a precision voltage reference IC that provides a stable and accurate output voltage of 2.5V. It is commonly used in various electronic circuits where a precise voltage reference is required.

Packaging/Quantity: The LM285BXZ-2.5/NOPB is available in a SOT-23 package, which is a small surface-mount package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Output Voltage: 2.5V
• Dropout Voltage: 60mV (typical)
• Quiescent Current: 120µA (typical)
• Temperature Range: -40°C to +85°C
• Line Regulation: 0.02% (typical)
• Load Regulation: 0.04% (typical)

Pin Configuration

The LM285BXZ-2.5/NOPB has three pins:

1. VOUT: Output pin, connected to the load.
2. GND: Ground pin, connected to the common ground.
3. VIN: Input pin, connected to the input voltage source.

Functional Features

• High Accuracy: The LM285BXZ-2.5/NOPB provides a highly accurate output voltage of 2.5V, ensuring precise voltage references in electronic circuits.
• Low Dropout Voltage: With a low dropout voltage of only 60mV, this voltage reference IC can operate efficiently even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: The LM285BXZ-2.5/NOPB has a low quiescent current of 120µA, minimizing power consumption and extending battery life in portable devices.
• Wide Operating Temperature Range: It can operate reliably in a wide temperature range from -40°C to +85°C, making it suitable for various environmental conditions.

Advantages and Disadvantages

Advantages: - High accuracy ensures precise voltage references. - Low dropout voltage allows efficient operation. - Low quiescent current minimizes power consumption. - Wide operating temperature range enables reliable performance.

Disadvantages: - Limited output voltage options (only 2.5V). - SOT-23 package may require surface-mount soldering skills.

Working Principles

The LM285BXZ-2.5/NOPB is based on bandgap reference technology. It utilizes the voltage difference between two different diode junctions to generate a stable and accurate reference voltage. This reference voltage is then used as a comparison point for other circuitry, ensuring consistent and reliable operation.

Detailed Application Field Plans

The LM285BXZ-2.5/NOPB finds applications in various electronic systems where a precise voltage reference is essential. Some common application fields include:

1. Power Management: Used in voltage regulators, power supplies, and battery management circuits to provide accurate voltage references for stable operation.
2. Analog-to-Digital Conversion: Employed in ADC (Analog-to-Digital Converter) circuits to establish a stable reference voltage for accurate conversion of analog signals.
3. Sensor Calibration: Utilized in sensor circuits to calibrate and maintain accurate measurement values by providing a stable voltage reference.
4. Communication Systems: Incorporated in communication devices and transceivers to ensure precise voltage references for reliable signal processing.

Detailed and Complete Alternative Models

1. LM4040CIZ-2.5/NOPB: A precision voltage reference IC with an output voltage of 2.5V. It is available in a TO-92 package.
2. LT1004CZ-2.5#PBF: Another precision voltage reference IC offering a 2.5V output voltage. It comes in a TO-92 package and provides high accuracy.

These alternative models can be considered as substitutes for the LM285BXZ-2.5/NOPB, depending on specific requirements and compatibility with the application.

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