LM385BPWR-1-2

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Low voltage reference - Precision output voltage - Low temperature coefficient - Low power consumption

Package: SOT-23-3

Essence: The LM385BPWR-1-2 is a low voltage precision voltage reference IC that provides a stable and accurate output voltage. It is commonly used in various electronic circuits where a precise voltage reference is required.

Packaging/Quantity: The LM385BPWR-1-2 is available in a SOT-23-3 package, which is a small surface mount package. It is typically sold in reels or tubes containing multiple units.

Specifications

The LM385BPWR-1-2 has the following specifications:

• Output Voltage: 1.235V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 20ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2.7V to 7V
• Quiescent Current: 120µA

Pin Configuration

The LM385BPWR-1-2 has three pins arranged as follows:

```

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| | --| V+ | --| | --| V- | |____| ```

Pin Description: - V+: Positive supply voltage input - V-: Ground reference - OUT: Output voltage

Functional Features

• Precise Voltage Reference: The LM385BPWR-1-2 provides a stable and accurate output voltage of 1.235V, making it suitable for applications requiring precise voltage references.
• Low Temperature Coefficient: The temperature coefficient of 20ppm/°C ensures minimal voltage drift over a wide temperature range.
• Low Power Consumption: With a quiescent current of only 120µA, the LM385BPWR-1-2 is designed for low power applications.

Advantages and Disadvantages

Advantages: - High precision output voltage - Low temperature coefficient - Small package size - Low power consumption

Disadvantages: - Fixed output voltage may limit flexibility in certain applications - Limited supply voltage range (2.7V to 7V)

Working Principles

The LM385BPWR-1-2 utilizes bandgap reference technology to generate a stable and accurate output voltage. It compensates for temperature variations by using a combination of bipolar and CMOS transistor circuits. This ensures that the output voltage remains constant over a wide temperature range.

Detailed Application Field Plans

The LM385BPWR-1-2 can be used in various applications, including but not limited to: 1. Precision analog-to-digital converters (ADCs) 2. Voltage regulators 3. Battery-powered devices 4. Temperature sensors 5. Data acquisition systems

Detailed and Complete Alternative Models

Some alternative models to the LM385BPWR-1-2 include: - LM4040 - LT1004 - REF02 - MAX6126

These alternatives offer similar functionality and performance characteristics, providing options for different design requirements.

In conclusion, the LM385BPWR-1-2 is a low voltage precision voltage reference IC with high accuracy and stability. Its small package size and low power consumption make it suitable for various electronic applications. However, its fixed output voltage and limited supply voltage range should be considered when selecting this component for specific designs.