TL103WIDG4

Product Overview

Category: Integrated Circuit (IC)

Use: TL103WIDG4 is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Characteristics: - Low dropout voltage - High accuracy - Low quiescent current - Thermal shutdown protection - Short circuit protection

Package: TL103WIDG4 is available in a small outline package (SOP) with 8 pins.

Essence: TL103WIDG4 is designed to regulate the input voltage and provide a constant output voltage, ensuring reliable and efficient operation of electronic devices.

Packaging/Quantity: TL103WIDG4 is typically sold in reels containing 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.2V to 12V
• Dropout Voltage: 0.3V at 100mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The TL103WIDG4 IC has the following pin configuration:

```

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| | --| Vout Vin|-- --| GND EN |-- --| NC NC |-- |___________| ```

Pin Description: - Vout: Output voltage pin - Vin: Input voltage pin - GND: Ground pin - EN: Enable pin - NC: No connection pin

Functional Features

1. Low Dropout Voltage: TL103WIDG4 exhibits a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.

2. High Accuracy: The IC provides high accuracy in maintaining the output voltage within specified limits, ensuring stable performance of the connected electronic devices.

3. Low Quiescent Current: TL103WIDG4 has a low quiescent current, minimizing power consumption and extending battery life in portable applications.

4. Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, which prevents damage due to excessive heat by shutting down the device when the temperature exceeds a safe threshold.

5. Short Circuit Protection: TL103WIDG4 features built-in short circuit protection, safeguarding the IC and the connected devices from potential damage caused by short circuits.

Advantages and Disadvantages

Advantages: - High accuracy in regulating output voltage - Low dropout voltage ensures efficient operation - Low quiescent current for reduced power consumption - Thermal shutdown and short circuit protection enhance reliability

Disadvantages: - Limited input voltage range (2.5V to 16V) - Output voltage range may not be suitable for all applications

Working Principles

TL103WIDG4 operates based on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage. By continuously monitoring and adjusting, the IC compensates for changes in input voltage, load variations, and temperature fluctuations, ensuring a stable output voltage.

Detailed Application Field Plans

TL103WIDG4 finds applications in various electronic devices that require a regulated power supply. Some common application areas include: - Battery-powered devices - Mobile phones - Portable audio players - Digital cameras - Wireless communication systems - Industrial control systems

Detailed and Complete Alternative Models

1. LM317: A popular alternative with adjustable output voltage and higher input voltage range.
2. LT1084: Offers higher output current capability and lower dropout voltage.
3. LM7805: Fixed output voltage regulator with a wide input voltage range.

These alternative models provide similar functionality to TL103WIDG4 and can be used as substitutes based on specific requirements.

In conclusion, TL103WIDG4 is a voltage regulator IC that offers stable output voltage, low dropout voltage, and various protection features. It finds applications in a wide range of electronic devices, providing reliable power supply.