LM385BYMX-1.2

Product Overview

Category

LM385BYMX-1.2 belongs to the category of voltage references.

Use

This product is primarily used as a precision voltage reference in various electronic circuits.

Characteristics

• LM385BYMX-1.2 provides a stable and accurate output voltage.
• It has low temperature coefficient and excellent long-term stability.
• The device operates over a wide temperature range.
• It is available in a small SOT-23 package, making it suitable for space-constrained applications.
• LM385BYMX-1.2 requires minimal external components for operation.

Package

The LM385BYMX-1.2 is packaged in a SOT-23 package.

Essence

The essence of LM385BYMX-1.2 lies in its ability to provide a precise and stable voltage reference, ensuring reliable performance in electronic circuits.

Packaging/Quantity

This product is typically available in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Output Voltage: 1.2V
• Initial Accuracy: ±2%
• Temperature Coefficient: 100ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2.7V to 15V
• Quiescent Current: 120µA (typical)

Detailed Pin Configuration

The LM385BYMX-1.2 features three pins:

1. Vout: Output pin providing a stable 1.2V reference voltage.
2. GND: Ground pin for electrical connection.
3. Vin: Input pin connected to the supply voltage.

Functional Features

• Precise Voltage Reference: LM385BYMX-1.2 ensures a stable and accurate 1.2V output voltage.
• Low Power Consumption: The device operates with a low quiescent current, making it suitable for power-sensitive applications.
• Wide Temperature Range: It can operate reliably over a wide temperature range, from -40°C to +85°C.
• Small Package Size: The SOT-23 package allows for easy integration into space-constrained designs.

Advantages and Disadvantages

Advantages

• High accuracy and stability.
• Low temperature coefficient.
• Wide operating temperature range.
• Small package size.
• Low power consumption.

Disadvantages

• Limited output voltage options.
• Not suitable for high-voltage applications.

Working Principles

LM385BYMX-1.2 utilizes bandgap reference technology to generate a precise and stable 1.2V output voltage. This technology relies on the temperature-dependent characteristics of semiconductor materials to maintain a consistent voltage reference across varying temperatures.

Detailed Application Field Plans

The LM385BYMX-1.2 finds application in various electronic systems where a reliable and accurate voltage reference is required. Some common application fields include:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearables benefit from the LM385BYMX-1.2's low power consumption and stable voltage reference.
2. Industrial control systems: The device ensures precise voltage references in control circuits, enhancing the accuracy and reliability of industrial automation systems.
3. Test and measurement equipment: LM385BYMX-1.2 is used in instruments that require accurate voltage references for calibration and measurement purposes.
4. Automotive electronics: The product finds application in automotive systems, providing stable voltage references for sensors, actuators, and control modules.

Detailed and Complete Alternative Models

Some alternative models to LM385BYMX-1.2 that offer similar functionality and characteristics are:

1. LM4040CIM3-1.2/NOPB
2. LT1004CZ-1.2
3. REF102CU

These alternatives can be considered based on specific application requirements and availability.

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