LT3008IDC#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low Dropout Voltage - Adjustable Output Voltage - Current Limit Protection - Thermal Shutdown Protection

Package: DFN-8 (Dual Flat No-Lead)

Essence: The LT3008IDC#TRPBF is a voltage regulator IC that provides a stable output voltage with low dropout voltage. It is commonly used in various electronic devices to regulate and control the voltage levels.

Packaging/Quantity: The LT3008IDC#TRPBF is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V to 20V
• Output Voltage Range: 1.22V to 18V
• Dropout Voltage: 300mV at 200mA Load Current
• Maximum Output Current: 200mA
• Line Regulation: ±0.02% typical
• Load Regulation: ±0.1% typical
• Quiescent Current: 40µA typical
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT3008IDC#TRPBF has a total of 8 pins arranged as follows:

```

---

| | --| Vout Vin|-- --| |-- --| GND Adj |-- |___________| ```

Pin Description: - Vout: Output Voltage - Vin: Input Voltage - GND: Ground - Adj: Adjust Pin for Output Voltage Control

Functional Features

1. Low Dropout Voltage: The LT3008IDC#TRPBF 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. Adjustable Output Voltage: The IC provides an adjustable output voltage, allowing users to set the desired voltage level according to their application requirements.

3. Current Limit Protection: The LT3008IDC#TRPBF incorporates current limit protection, preventing excessive current flow and protecting the circuit from damage.

4. Thermal Shutdown Protection: In case of excessive temperature rise, the IC activates thermal shutdown protection, safeguarding it from overheating and potential failure.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient voltage regulation. - Adjustable output voltage offers flexibility in various applications. - Current limit protection prevents circuit damage due to excessive current. - Thermal shutdown protection enhances reliability and longevity.

Disadvantages: - Limited maximum output current of 200mA may not be suitable for high-power applications. - Requires external components for proper operation.

Working Principles

The LT3008IDC#TRPBF operates as a linear voltage regulator. It regulates the output voltage by maintaining a constant voltage drop across its internal pass transistor. The adjust pin allows users to set the desired output voltage by adjusting the feedback network.

When the input voltage exceeds the desired output voltage, the pass transistor conducts, regulating the output voltage to the desired level. If the input voltage drops below the desired output voltage, the pass transistor reduces conduction, maintaining the output voltage within the specified range.

Detailed Application Field Plans

The LT3008IDC#TRPBF finds applications in various electronic devices and systems that require stable and regulated voltage levels. Some common application fields include:

1. Battery-Powered Devices: The IC can regulate the voltage in battery-powered devices, ensuring consistent performance even as the battery discharges.

2. Portable Electronics: It is suitable for portable electronics such as smartphones, tablets, and portable media players, providing stable voltage for their internal components.

3. Automotive Electronics: The LT3008IDC#TRPBF can be used in automotive applications, regulating voltage levels for various electronic systems within the vehicle.

4. Industrial Control Systems: It finds application in industrial control systems, ensuring stable voltage supply to critical components and preventing damage due to voltage fluctuations.

Detailed and Complete Alternative Models

1. LM317: A popular adjustable voltage regulator IC with similar features and capabilities.
2. LT1085: A high-current linear voltage regulator with adjustable output voltage and low dropout voltage.
3. LM1117: A low dropout voltage regulator available in various fixed output voltage options.
4. LT1763: An ultra-low dropout voltage regulator suitable for applications requiring precise voltage regulation.

These alternative models offer similar functionality and can be considered as alternatives to the LT3008IDC#TRPBF based on specific application requirements.

Word count: 570 words