MAX6381LT18D5+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: Low Dropout, Precision, Low Quiescent Current
• Package: SOT-23-5
• Essence: Provides a stable and accurate voltage reference for various applications
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Output Voltage: 1.8V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: ±50ppm/°C
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX6381LT18D5+T has a total of 5 pins arranged as follows:

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Pin 1: GND (Ground) Pin 2: NC (No Connection) Pin 3: VOUT (Output Voltage) Pin 4: BYP (Bypass Capacitor) Pin 5: VIN (Input Voltage)

Functional Features

• Low dropout voltage ensures efficient operation even with low input-output differentials.
• High precision and initial accuracy provide a stable output voltage.
• Low quiescent current minimizes power consumption.
• Bypass capacitor pin allows for improved noise performance.

Advantages and Disadvantages

Advantages: - Low dropout voltage enables use in low-power applications. - High precision ensures accurate voltage references. - Low quiescent current reduces power consumption. - Small package size allows for space-constrained designs.

Disadvantages: - Limited output voltage options. - Not suitable for high-current applications.

Working Principles

The MAX6381LT18D5+T is a voltage reference IC that generates a stable output voltage of 1.8V. It operates by comparing the input voltage (VIN) with an internal reference voltage and regulating the output voltage (VOUT) accordingly. The device utilizes a low dropout architecture, which allows it to maintain a stable output even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The MAX6381LT18D5+T finds applications in various fields, including:

1. Battery-Powered Devices: Provides a stable voltage reference for low-power electronic devices such as portable sensors and wearables.
2. Industrial Control Systems: Ensures accurate voltage references for analog-to-digital converters, digital-to-analog converters, and other precision measurement circuits.
3. Automotive Electronics: Used in automotive systems requiring precise voltage references, such as engine control units and sensor interfaces.
4. Communication Equipment: Provides a stable voltage reference for RF modules, base stations, and communication interfaces.

Detailed and Complete Alternative Models

1. MAX6381LT18D3+T: Output voltage of 1.8V, similar specifications, SOT-23-5 package.
2. MAX6381LT18D6+T: Output voltage of 1.8V, similar specifications, SOT-23-5 package.
3. MAX6381LT18D7+T: Output voltage of 1.8V, similar specifications, SOT-23-5 package.

These alternative models offer similar functionality and can be used as replacements for the MAX6381LT18D5+T in various applications.

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