TL4050B25QDCKT

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage Reference

Characteristics: - Low voltage reference - Precision output voltage of 2.5V - Low quiescent current - High accuracy and stability - Wide operating temperature range - Small package size

Package: SC-70, 5-Lead

Essence: The TL4050B25QDCKT is a low voltage precision shunt voltage reference that provides a stable 2.5V output voltage. It is commonly used in various electronic devices where a precise voltage reference is required.

Packaging/Quantity: The TL4050B25QDCKT is available in a small SC-70 package and is typically sold in reels or tubes containing multiple units.

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +125°C
• Package Type: SC-70
• Number of Pins: 5

Detailed Pin Configuration

The TL4050B25QDCKT has the following pin configuration:

1. VDD: Power supply input
2. GND: Ground reference
3. NC: No connection
4. OUT: Output voltage
5. TRIM: Trim pin for adjusting the output voltage (optional)

Functional Features

• Precise voltage reference: The TL4050B25QDCKT provides a stable and accurate 2.5V output voltage, making it suitable for applications requiring precise voltage references.
• Low quiescent current: With a quiescent current of only 60µA, this voltage reference minimizes power consumption in battery-powered devices.
• High accuracy and stability: The initial accuracy of ±0.5% and low temperature coefficient of 50ppm/°C ensure reliable and stable voltage references over a wide temperature range.

Advantages and Disadvantages

Advantages: - Precise and stable output voltage - Low quiescent current for power efficiency - Small package size for space-constrained applications - Wide operating temperature range

Disadvantages: - Limited output voltage options (fixed at 2.5V) - Trim pin adjustment requires additional circuitry

Working Principles

The TL4050B25QDCKT is based on the shunt voltage reference principle. It utilizes a precision bandgap core to generate a stable reference voltage of 2.5V. This voltage is then made available at the OUT pin for use in various electronic circuits.

Detailed Application Field Plans

The TL4050B25QDCKT finds application in a wide range of electronic devices that require a precise voltage reference. Some common application fields include:

1. Power Management: Voltage references are essential in power management circuits to ensure accurate voltage regulation and control.
2. Analog-to-Digital Converters (ADCs): ADCs often require a stable reference voltage for accurate conversion of analog signals into digital data.
3. Sensor Interfaces: Many sensors rely on a stable voltage reference to provide accurate measurements and readings.
4. Battery-Powered Devices: The low quiescent current of the TL4050B25QDCKT makes it suitable for use in battery-powered devices, where power efficiency is crucial.

Detailed and Complete Alternative Models

1. TL431: Adjustable precision shunt voltage reference with a wide voltage range.
2. LM4040: Fixed voltage precision shunt voltage reference available in various output voltages.
3. REF5025: Precision voltage reference with low temperature drift and high accuracy.

These alternative models offer similar functionality to the TL4050B25QDCKT and can be considered as alternatives based on specific requirements and application needs.

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