TLVH431ACDBVTE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High precision, low voltage, adjustable shunt regulator
• Package: SOT-23 (Small Outline Transistor 23)
• Essence: TLVH431ACDBVTE4 is a voltage reference IC that provides a stable and accurate output voltage.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Reference Voltage Range: 1.24V to 16V
• Operating Temperature Range: -40°C to +125°C
• Output Current: 100mA
• Initial Accuracy: ±1%
• Low Dynamic Output Impedance
• Low Output Noise

Detailed Pin Configuration

The TLVH431ACDBVTE4 IC has the following pin configuration:

1. Anode (A): Connected to the positive terminal of the power supply.
2. Cathode (K): Connected to the load or ground.
3. Adjust (ADJ): Provides the feedback voltage to set the desired output voltage.

Functional Features

• Voltage Regulation: TLVH431ACDBVTE4 maintains a stable output voltage regardless of input voltage fluctuations.
• Adjustable Output: The output voltage can be adjusted using an external resistor divider network connected to the ADJ pin.
• Low Power Consumption: Consumes minimal power during operation.
• Short Circuit Protection: Built-in protection against short circuits to prevent damage to the IC.

Advantages and Disadvantages

Advantages

• High precision voltage reference
• Wide operating temperature range
• Adjustable output voltage
• Low output noise
• Short circuit protection

Disadvantages

• Limited output current capacity (100mA)
• Requires external resistor divider network for voltage adjustment

Working Principles

TLVH431ACDBVTE4 is a shunt regulator that operates by comparing the reference voltage (1.24V) with the feedback voltage provided through the ADJ pin. It adjusts the current flowing through the shunt resistor to maintain a constant output voltage.

Detailed Application Field Plans

The TLVH431ACDBVTE4 IC finds applications in various fields, including:

1. Power Supply Regulation: Used to stabilize the output voltage of power supplies in electronic devices.
2. Battery Charging: Ensures precise voltage regulation during battery charging processes.
3. Voltage Monitoring: Monitors and maintains a stable voltage level in circuits requiring accurate voltage references.
4. Sensor Calibration: Provides a reliable voltage reference for calibrating sensors in measurement systems.

Detailed and Complete Alternative Models

Some alternative models to TLVH431ACDBVTE4 include:

1. TL431ACDBZR: Similar voltage reference IC with SOT-23 package.
2. LM4040AIM3-2.5/NOPB: Precision shunt voltage reference with 2.5V output.
3. REF3030AIDBZT: Low-power, high-precision voltage reference IC.

These alternative models offer similar functionality and can be used as replacements based on specific requirements.

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