TL4051BQDCKR

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - Low Dropout Voltage - Precision Output Voltage - Low Quiescent Current - Wide Operating Temperature Range

Package: SC-70-5

Essence: TL4051BQDCKR is a voltage reference IC that provides a precise output voltage with low dropout voltage and low quiescent current. It is commonly used in various electronic devices where accurate voltage references are required.

Packaging/Quantity: TL4051BQDCKR is available in a SC-70-5 package, which contains 3000 units per reel.

Specifications

• Output Voltage: 1.225V
• Initial Accuracy: ±0.5%
• Dropout Voltage: 200mV
• Quiescent Current: 60µA
• Temperature Coefficient: 50ppm/°C
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The TL4051BQDCKR has the following pin configuration:

```

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| | --| V+ | --| | --| OUT| --| | --| GND| |____| ```

Functional Features

• Precise Output Voltage: The TL4051BQDCKR provides a highly accurate output voltage of 1.225V, making it suitable for applications requiring precise voltage references.
• Low Dropout Voltage: With a dropout voltage of only 200mV, this IC can operate efficiently even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: The quiescent current of 60µA ensures minimal power consumption, making it ideal for battery-powered devices.
• Wide Operating Temperature Range: The TL4051BQDCKR can operate reliably in a temperature range of -40°C to +125°C, making it suitable for various environmental conditions.

Advantages and Disadvantages

Advantages: - High precision output voltage - Low dropout voltage - Low quiescent current - Wide operating temperature range

Disadvantages: - Limited output voltage options - Single package option

Working Principles

The TL4051BQDCKR is based on a bandgap reference circuit that generates a stable voltage reference. It utilizes a combination of bipolar and CMOS technologies to achieve high accuracy and low power consumption. The bandgap reference circuit compensates for temperature variations, ensuring a consistent output voltage over a wide temperature range.

Detailed Application Field Plans

The TL4051BQDCKR is commonly used in the following applications:

1. Power Management Systems: It provides a precise voltage reference for regulating power supplies, ensuring stable and accurate output voltages.
2. Analog-to-Digital Converters (ADCs): It serves as a voltage reference for ADCs, enabling accurate conversion of analog signals into digital data.
3. Sensor Calibration: It is used in sensor calibration circuits to provide a stable and accurate reference voltage for calibration purposes.
4. Battery-Powered Devices: Its low quiescent current makes it suitable for battery-powered devices where power efficiency is crucial.

Detailed and Complete Alternative Models

1. TL431: This is a popular alternative to the TL4051BQDCKR. It offers similar features and performance but comes in different package options.
2. LM4040: Another alternative with comparable specifications and functionality. It is available in various output voltage options and package types.
3. REF3030: This voltage reference IC provides high accuracy and low dropout voltage. It is commonly used in precision measurement applications.

These alternative models can be considered based on specific requirements and compatibility with the target application.

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