LM4128CMFX-2.5/NOPB

Product Overview

Category

LM4128CMFX-2.5/NOPB belongs to the category of voltage references.

Use

It is commonly used as a precision voltage reference in various electronic circuits.

Characteristics

• High accuracy and stability
• Low temperature coefficient
• Low dropout voltage
• Wide operating temperature range

Package

LM4128CMFX-2.5/NOPB is available in a small SOT-23 package.

Essence

The essence of LM4128CMFX-2.5/NOPB lies in its ability to provide a precise and stable voltage reference for accurate circuit operation.

Packaging/Quantity

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

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 200mV
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2.7V to 12V
• Quiescent Current: 120µA

Detailed Pin Configuration

The LM4128CMFX-2.5/NOPB has three pins:

1. VOUT: Output voltage pin.
2. VIN: Input voltage pin.
3. GND: Ground pin.

Functional Features

• Precise and stable output voltage.
• Low power consumption.
• Excellent line and load regulation.
• Fast response time.
• Low output noise.

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable performance.
• Low dropout voltage minimizes power dissipation.
• Wide operating temperature range allows for versatile applications.
• Small package size enables space-saving designs.

Disadvantages

• Limited output voltage options.
• Relatively higher cost compared to some alternatives.

Working Principles

LM4128CMFX-2.5/NOPB utilizes a bandgap reference circuit to generate a stable voltage reference. It compensates for temperature variations and provides a precise output voltage regardless of changes in input voltage or load conditions.

Detailed Application Field Plans

The LM4128CMFX-2.5/NOPB finds applications in various fields, including:

1. Precision measurement equipment
2. Data acquisition systems
3. Industrial control systems
4. Portable electronic devices
5. Battery-powered devices
6. Automotive electronics

Its high accuracy and stability make it suitable for applications that require precise voltage references.

Detailed and Complete Alternative Models

Some alternative models to LM4128CMFX-2.5/NOPB include:

1. LT6654: Precision voltage reference with lower initial accuracy but wider temperature range.
2. MAX6190: Low-power voltage reference with similar accuracy and temperature coefficient.
3. REF5025: High-precision voltage reference with lower dropout voltage.

These alternatives offer different trade-offs in terms of specifications and features, allowing designers to choose the most suitable option for their specific requirements.

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