TLVH432ACDBZR

Product Overview

• Category: Integrated Circuit
• Use: Voltage Reference
• Characteristics: Low Dropout, Precision
• Package: SOT-23-3
• Essence: Adjustable Shunt Regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Voltage Reference Type: Shunt
• Output Voltage Range: Adjustable from 1.24V to 20V
• Dropout Voltage: 400mV (typical)
• Initial Accuracy: ±0.5% (maximum)
• Temperature Coefficient: 100ppm/°C (typical)
• Operating Temperature Range: -40°C to +125°C
• Input Voltage Range: Up to 30V
• Quiescent Current: 60µA (typical)

Detailed Pin Configuration

The TLVH432ACDBZR is a three-pin device with the following pin configuration:

• Pin 1: Anode (A)
• Pin 2: Cathode (K)
• Pin 3: Adjust (ADJ)

Functional Features

• Provides a stable and precise voltage reference for various applications.
• Adjustable output voltage allows flexibility in system design.
• Low dropout voltage enables efficient operation even with low input voltages.
• Excellent initial accuracy ensures reliable performance.
• Wide operating temperature range makes it suitable for harsh environments.
• Low quiescent current minimizes power consumption.

Advantages

• High precision and stability ensure accurate voltage references.
• Adjustable output voltage provides versatility in circuit design.
• Low dropout voltage allows efficient operation in low voltage scenarios.
• Compact SOT-23-3 package offers space-saving benefits.
• Wide operating temperature range enables usage in extreme conditions.
• Low quiescent current reduces power consumption and extends battery life.

Disadvantages

• Limited output voltage range compared to some other voltage references.
• SOT-23-3 package may not be suitable for all applications requiring higher pin count or heat dissipation.

Working Principles

The TLVH432ACDBZR is an adjustable shunt regulator that maintains a stable output voltage by shunting excess current to ground. It consists of a precision reference voltage source, error amplifier, and pass transistor. The output voltage can be adjusted by connecting a resistor between the Adjust (ADJ) pin and the Cathode (K) pin.

Detailed Application Field Plans

The TLVH432ACDBZR is commonly used in various electronic systems where a stable and precise voltage reference is required. Some typical application fields include:

1. Power Supply Regulation: Provides a stable reference voltage for regulating power supplies in devices such as microcontrollers, sensors, and communication modules.
2. Analog-to-Digital Conversion: Ensures accurate conversion by providing a precise voltage reference for ADCs in measurement instruments, data acquisition systems, and industrial control systems.
3. Voltage Monitoring: Used in battery management systems, automotive electronics, and power management circuits to monitor voltage levels and trigger appropriate actions.
4. Precision Instrumentation: Enables precise measurements in laboratory equipment, medical devices, and scientific instruments by providing a reliable voltage reference.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the TLVH432ACDBZR are:

1. LM4040: Precision Shunt Voltage Reference with adjustable output voltage and low dropout.
2. LT1236: High Precision Shunt Voltage Reference with wide operating temperature range and low quiescent current.
3. MAX6126: Ultra-Low Noise, High Precision Voltage Reference with adjustable output voltage and excellent initial accuracy.

These alternative models provide options for different performance requirements and specific application needs.

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