TL431BIDR2

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: Adjustable Precision Shunt Regulator
• Package: SOIC-8
• Essence: TL431BIDR2 is a voltage reference IC that provides a stable reference voltage for various applications.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Reference Voltage Range: 2.495V to 36V
• Operating Temperature Range: -40°C to +85°C
• Output Current: Up to 100mA
• Reference Voltage Tolerance: ±1%
• Cathode Current: 1mA to 100mA
• Anode Current: 1mA to 150mA
• Shunt Dynamic Impedance: 0.22Ω typical

Pin Configuration

The TL431BIDR2 package consists of 8 pins arranged as follows:

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Pin Description: 1. Anode 2. Cathode 3. NC (No Connection) 4. NC (No Connection) 5. Reference Voltage 6. NC (No Connection) 7. NC (No Connection) 8. NC (No Connection)

Functional Features

• Provides a precise and adjustable reference voltage.
• Low output impedance ensures stability and accuracy.
• Wide operating voltage range allows flexibility in various applications.
• High cathode current capability enables driving multiple loads.
• Fast response time to changes in input voltage.

Advantages and Disadvantages

Advantages: - Precise and adjustable reference voltage. - Wide operating temperature range. - Low output impedance. - High cathode current capability.

Disadvantages: - Requires external components for specific applications. - Limited output current compared to other voltage regulators.

Working Principles

The TL431BIDR2 is a three-terminal adjustable shunt regulator. It operates by comparing the reference voltage at the Reference pin with an external voltage divider network connected to the Anode and Cathode pins. By adjusting the resistors in the voltage divider, the desired output voltage can be set. The TL431BIDR2 then regulates the Cathode current to maintain a stable output voltage.

Detailed Application Field Plans

The TL431BIDR2 finds applications in various fields, including:

1. Power Supplies: Used as a voltage reference in linear and switching power supplies.
2. Battery Charging Systems: Provides precise voltage regulation in battery charging circuits.
3. Audio Amplifiers: Ensures stable biasing and voltage references in audio amplifier circuits.
4. LED Lighting: Maintains constant brightness in LED lighting systems.
5. Industrial Control Systems: Used for voltage monitoring and regulation in industrial control systems.

Detailed and Complete Alternative Models

1. TL431ACLP
2. TL431BCP
3. TL431CDR
4. TL431AIDBZR
5. TL431BQDBVR

These alternative models offer similar functionality and characteristics to the TL431BIDR2 and can be used as replacements in various applications.

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