LM4128AQ1MFX1.8/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-23-3

Essence: LM4128AQ1MFX1.8/NOPB is a voltage reference IC that provides a stable and accurate output voltage.

Packaging/Quantity: The LM4128AQ1MFX1.8/NOPB is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Output Voltage: 1.8V
• Initial Accuracy: ±0.5%
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 45µA (typical)
• Temperature Coefficient: 50ppm/°C (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM4128AQ1MFX1.8/NOPB has three pins:

1. VOUT: Output Voltage Pin
2. GND: Ground Pin
3. VIN: Input Voltage Pin

Functional Features

• Low dropout voltage allows the IC to operate with a small input-output voltage differential.
• High accuracy ensures precise voltage reference for various applications.
• Low quiescent current minimizes power consumption.
• Wide operating temperature range enables reliable performance in extreme conditions.

Advantages

• Stable and accurate output voltage.
• Low power consumption.
• Compact SOT-23-3 package for space-constrained applications.
• Wide operating temperature range for versatile usage.

Disadvantages

• Limited output voltage options (only 1.8V).
• Not suitable for high-current applications.

Working Principles

The LM4128AQ1MFX1.8/NOPB is a bandgap voltage reference IC that generates a stable output voltage based on the temperature-dependent characteristics of semiconductor materials. It utilizes a precision voltage divider and an error amplifier to maintain the desired output voltage regardless of input voltage variations or temperature changes.

Detailed Application Field Plans

The LM4128AQ1MFX1.8/NOPB is commonly used in various electronic devices and systems, including:

1. Battery-powered devices: Provides a stable voltage reference for efficient power management.
2. Sensor circuits: Ensures accurate measurements by providing a precise reference voltage.
3. Data acquisition systems: Maintains consistent voltage levels for reliable data conversion.
4. Portable consumer electronics: Enables optimal performance and power efficiency.

Detailed and Complete Alternative Models

1. LM4040CIM3-1.8/NOPB
2. LT1461AIS8-1.8#PBF
3. MAX6126AASA25+
4. REF192ESZ-REEL7

These alternative models offer similar voltage reference capabilities and can be considered as substitutes for the LM4128AQ1MFX1.8/NOPB.

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