AZ431LBKTR-E1

Product Overview

Category

AZ431LBKTR-E1 belongs to the category of voltage references.

Use

It is primarily used as a precision shunt regulator for various applications.

Characteristics

• High accuracy and stability
• Low temperature coefficient
• Wide operating voltage range
• Low dynamic impedance
• Adjustable output voltage
• Low power consumption

Package

AZ431LBKTR-E1 is available in a small SOT-23 package, which is suitable for surface mount applications.

Essence

The essence of AZ431LBKTR-E1 lies in its ability to provide a stable reference voltage for precise regulation in electronic circuits.

Packaging/Quantity

This product is typically packaged in reels containing 3000 units per reel.

Specifications

• Reference Voltage: 2.5V
• Operating Voltage Range: 2.5V to 36V
• Temperature Coefficient: ±50ppm/°C
• Output Current: 100mA
• Quiescent Current: 60µA
• Line Regulation: 0.2%/V
• Load Regulation: 0.4%/mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

AZ431LBKTR-E1 has three pins:

1. REF: Reference voltage output pin.
2. ANODE: Anode pin connected to the cathode of an external diode.
3. CATHODE: Cathode pin connected to the ground or negative supply voltage.

Functional Features

• Precision voltage reference
• Adjustable output voltage using external resistors
• Low power consumption
• Excellent line and load regulation
• Short-circuit protection
• Thermal shutdown protection

Advantages and Disadvantages

Advantages

• High accuracy and stability
• Wide operating voltage range
• Low temperature coefficient
• Adjustable output voltage
• Small package size

Disadvantages

• Limited output current capacity (100mA)
• Requires external resistors for voltage adjustment

Working Principles

AZ431LBKTR-E1 operates based on the principle of a shunt regulator. It compares the reference voltage at the REF pin with the voltage across the external resistor network connected to the ANODE and CATHODE pins. By adjusting the resistance values, the output voltage can be precisely regulated.

Detailed Application Field Plans

AZ431LBKTR-E1 finds applications in various fields, including:

1. Power supplies: Used as a voltage reference in linear and switching power supplies.
2. Battery charging circuits: Provides precise voltage regulation for battery charging applications.
3. Instrumentation: Used in precision measurement equipment to maintain accurate reference voltages.
4. Audio amplifiers: Ensures stable biasing and voltage references in audio amplifier circuits.
5. Automotive electronics: Used in automotive systems for voltage regulation and monitoring.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to AZ431LBKTR-E1 are:

1. TL431: A popular and widely used adjustable precision shunt regulator.
2. LM4040: Precision micropower shunt voltage reference with low temperature drift.
3. LT1236: Ultra-stable precision reference with high accuracy and low noise.

These alternative models offer similar functionality and can be suitable replacements depending on specific requirements.

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