TL432BQDBVTG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics:
  • Low voltage reference
  • Adjustable output voltage
  • High precision
  • Low quiescent current
• Package: SOT-23 (Small Outline Transistor)
• Essence: Precision shunt regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Reference Voltage Range: 1.24V to 20V
• Output Voltage Tolerance: ±1%
• Quiescent Current: 60µA typical
• Operating Temperature Range: -40°C to +85°C
• Input Voltage Range: Up to 36V
• Output Current Capability: 100mA

Detailed Pin Configuration

The TL432BQDBVTG4 has three pins:

1. Anode (A): Connected to the input voltage.
2. Cathode (K): Connected to the ground or negative terminal.
3. Adjust (ADJ): Connected to an external resistor divider network to set the desired output voltage.

Functional Features

• Provides a stable and precise reference voltage for various applications.
• Adjustable output voltage allows flexibility in system design.
• Low quiescent current minimizes power consumption.
• High precision ensures accurate voltage regulation.
• Wide operating temperature range enables usage in extreme conditions.
• Overcurrent and overtemperature protection for enhanced reliability.

Advantages

• Easy to use and integrate into electronic circuits.
• Offers high accuracy and stability in voltage references.
• Low dropout voltage allows operation with low input voltages.
• Small package size saves board space.
• Suitable for battery-powered devices due to low quiescent current.

Disadvantages

• Limited output current capability compared to other voltage regulators.
• Requires an external resistor divider network for voltage adjustment.
• Not suitable for high-power applications.

Working Principles

The TL432BQDBVTG4 is a precision shunt regulator that uses a bandgap reference circuit to generate a stable voltage. It compares the reference voltage with the divided voltage at the ADJ pin and adjusts the current flowing through the shunt resistor to maintain a constant output voltage. By adjusting the external resistor divider, the desired output voltage can be set within the specified range.

Detailed Application Field Plans

The TL432BQDBVTG4 is widely used in various electronic systems and applications, including:

1. Voltage regulation in power supplies and battery chargers.
2. Precision voltage references for analog-to-digital converters (ADCs) and digital-to-analog converters (DACs).
3. Current limiting circuits for protecting sensitive components.
4. Temperature compensation circuits for sensors and transducers.
5. Voltage monitoring and protection circuits in automotive electronics.

Detailed and Complete Alternative Models

1. TL431BQDBVRG4: Similar specifications and features, SOT-23 package.
2. TLVH431AQDBZR: Adjustable precision shunt regulator, SOT-23 package.
3. LM4040AIM3-2.5/NOPB: 2.5V precision voltage reference, SOT-23 package.
4. REF3030AIDBZT: Low-power voltage reference, SOT-23 package.

These alternative models offer similar functionality and can be considered as substitutes for the TL432BQDBVTG4 based on specific application requirements.

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