LM385M3X-1.2/NOPB

Overview

Product Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Low voltage reference - Precision output voltage of 1.2V - Low quiescent current - Wide operating temperature range - Small package size

Package: SOT-23

Essence: The LM385M3X-1.2/NOPB is a low voltage precision voltage reference IC used to provide a stable and accurate reference voltage in various electronic circuits.

Packaging/Quantity: The LM385M3X-1.2/NOPB is typically available in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

The LM385M3X-1.2/NOPB has the following specifications:

• Output Voltage: 1.2V ± 0.5%
• Quiescent Current: 120µA (maximum)
• Temperature Coefficient: 100ppm/°C (maximum)
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2.7V to 10V

Pin Configuration

The LM385M3X-1.2/NOPB has three pins arranged as follows:

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Pin 1: Vout (Output Voltage) Pin 2: GND (Ground) Pin 3: Vin (Input Voltage)

Functional Features

• Low voltage reference: The LM385M3X-1.2/NOPB provides a precise output voltage of 1.2V, making it suitable for low voltage applications.
• Low quiescent current: With a maximum quiescent current of 120µA, the LM385M3X-1.2/NOPB minimizes power consumption.
• Wide operating temperature range: It can operate in a temperature range of -40°C to +85°C, making it suitable for various environments.
• Small package size: The SOT-23 package allows for compact and space-saving designs.

Advantages and Disadvantages

Advantages: - Precise and stable output voltage - Low power consumption - Wide operating temperature range - Small package size

Disadvantages: - Limited output voltage options (only 1.2V)

Working Principles

The LM385M3X-1.2/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 benchmark for other circuit components, ensuring precise and reliable operation.

Detailed Application Field Plans

The LM385M3X-1.2/NOPB finds applications in various electronic systems where a stable and accurate voltage reference is required. Some common application fields include:

1. Battery-powered devices: The low quiescent current and wide operating temperature range make it suitable for portable electronics, such as smartphones, tablets, and wearables.
2. Industrial control systems: It can be used in control circuits, sensors, and measurement equipment to provide a stable voltage reference for accurate readings.
3. Automotive electronics: The LM385M3X-1.2/NOPB can be utilized in automotive applications, including engine control units, dashboard displays, and lighting systems.

Detailed and Complete Alternative Models

1. LM4040: This series offers various output voltage options and package sizes, providing flexibility for different design requirements.
2. LT6654: It provides high precision and low noise performance, making it suitable for demanding applications.
3. REF30xx: These voltage references offer low dropout voltage and high accuracy, making them ideal for low-power applications.

These alternative models provide similar functionality to the LM385M3X-1.2/NOPB and can be considered based on specific design needs.

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