TLVH432AQDBZT

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics:
  • Low Dropout Voltage
  • High Accuracy
  • Low Quiescent Current
• Package: SOT-23-3
• Essence: Precision Shunt Regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Reference Voltage: 1.24 V
• Output Current: 10 mA
• Dropout Voltage: 400 mV
• Operating Temperature Range: -40°C to +125°C
• Line Regulation: 0.2% (max)
• Load Regulation: 0.4% (max)
• Quiescent Current: 120 µA (typ)

Detailed Pin Configuration

The TLVH432AQDBZT is a three-pin device with the following pin configuration:

1. Anode (A): Connected to the input voltage.
2. Cathode (K): Connected to the ground.
3. Adjust (ADJ): Output pin for the reference voltage.

Functional Features

• Provides a stable and accurate reference voltage.
• Low dropout voltage allows for efficient operation even with low input-output differentials.
• Low quiescent current minimizes power consumption.
• Excellent line and load regulation ensures consistent performance across varying conditions.
• Short-circuit and thermal protection features enhance reliability.

Advantages

• High accuracy and stability of the reference voltage.
• Low dropout voltage enables operation in low voltage applications.
• Low quiescent current prolongs battery life in portable devices.
• Compact SOT-23-3 package facilitates space-constrained designs.
• Wide operating temperature range allows for versatile usage.

Disadvantages

• Limited output current capability (10 mA).
• Sensitive to input voltage fluctuations.
• Requires external components for specific applications.

Working Principles

The TLVH432AQDBZT is a precision shunt regulator that maintains a constant reference voltage across its output terminals. It utilizes a bandgap voltage reference circuit to generate a stable 1.24 V reference voltage. By connecting the Anode pin to the input voltage and the Cathode pin to the ground, the device regulates the voltage at the Adjust pin to the reference voltage level.

Detailed Application Field Plans

The TLVH432AQDBZT finds applications in various fields, including:

1. Power Supply Regulation: Provides a stable reference voltage for power supply circuits, ensuring accurate voltage levels for sensitive components.
2. Battery-Powered Devices: Enables efficient power management in portable devices, extending battery life by minimizing quiescent current consumption.
3. Voltage Monitoring: Used as a voltage reference in monitoring circuits to compare and measure voltages accurately.
4. Sensor Calibration: Provides a precise reference voltage for calibrating sensors, ensuring accurate measurements.
5. Audio Amplifiers: Utilized as a voltage reference in audio amplifier circuits to maintain consistent audio quality.

Detailed and Complete Alternative Models

Some alternative models to TLVH432AQDBZT include:

1. LM4040: Precision Shunt Voltage Reference
2. LT1236: Low Dropout Voltage Reference
3. MAX6126: Ultra-High Precision Voltage Reference
4. REF102: Low Noise, Very High Precision Voltage Reference
5. ADR4550: Ultralow Noise, High Accuracy Voltage Reference

These alternatives offer similar functionality and characteristics, providing options based on specific requirements and preferences.

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