TL432QDBVRG4

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Low voltage reference - Adjustable output voltage - High precision - Low temperature coefficient - Low quiescent current

Package: SOT-23-5

Essence: The TL432QDBVRG4 is a voltage reference IC that provides a stable and accurate reference voltage for various electronic circuits.

Packaging/Quantity: The TL432QDBVRG4 is typically sold in reels containing 3000 units.

Specifications

• Output Voltage Range: 1.24V to 20V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TL432QDBVRG4 has five pins arranged as follows:

```

---

| | --|____|-- | | |____| ```

Pin 1: Anode (A) Pin 2: Cathode (K) Pin 3: Adjust (ADJ) Pin 4: Not Connected (NC) Pin 5: Ground (GND)

Functional Features

• Voltage regulation: The TL432QDBVRG4 maintains a stable output voltage regardless of input voltage variations.
• Adjustable output: The ADJ pin allows the user to adjust the output voltage within the specified range.
• Low quiescent current: The IC consumes minimal current when not actively regulating the voltage, reducing power consumption in the circuit.
• High precision: The TL432QDBVRG4 offers excellent voltage accuracy, ensuring reliable performance in precision applications.
• Low temperature coefficient: The IC's output voltage remains stable over a wide temperature range, minimizing the impact of temperature variations.

Advantages and Disadvantages

Advantages: - Wide output voltage range - High precision and stability - Low power consumption - Compact SOT-23-5 package

Disadvantages: - Limited maximum output current - Requires external components for proper operation

Working Principles

The TL432QDBVRG4 is based on the shunt regulator principle. It compares the reference voltage at the ADJ pin with an internal voltage reference and adjusts the current flowing through the cathode to maintain a constant output voltage. By adjusting the resistance connected to the ADJ pin, the output voltage can be set within the specified range.

Detailed Application Field Plans

The TL432QDBVRG4 finds applications in various electronic systems, including:

1. Voltage regulators: The IC can be used as a precision voltage reference in linear voltage regulators to ensure stable and accurate output voltages.
2. Power supplies: It is suitable for use in low-power DC-DC converters and switch-mode power supplies to provide a reliable reference voltage for control circuits.
3. Battery charging circuits: The TL432QDBVRG4 can be employed in battery charging circuits to maintain a constant voltage during the charging process.
4. Audio amplifiers: It can be utilized as a voltage reference in audio amplifier circuits to achieve precise biasing and improve overall performance.

Detailed and Complete Alternative Models

1. LM4040: A series of precision voltage references available in various output voltage options.
2. LT1236: Ultra-high precision voltage reference with extremely low temperature coefficient.
3. REF3030: Low-power, high-precision voltage reference suitable for portable devices.

These alternative models offer similar functionality and can be considered as substitutes for the TL432QDBVRG4 depending on specific requirements.

Word count: 511