LT1109ACN8-12#PBF

Product Overview

Category

The LT1109ACN8-12#PBF belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize voltage levels.

Characteristics

• Voltage regulation: The LT1109ACN8-12#PBF provides a stable output voltage.
• Efficiency: It operates with high efficiency, minimizing power losses.
• Compact package: The product comes in a small package, suitable for space-constrained applications.
• Wide input voltage range: It can handle a wide range of input voltages.
• Low dropout voltage: The regulator maintains a low voltage drop between the input and output.

Package and Quantity

The LT1109ACN8-12#PBF is available in an 8-pin PDIP (Plastic Dual In-Line Package) format. It is typically sold in quantities of one unit per package.

Specifications

• Input voltage range: 2.5V to 18V
• Output voltage: 12V
• Output current: Up to 100mA
• Dropout voltage: 0.4V at 100mA
• Operating temperature range: -40°C to 85°C

Pin Configuration

The LT1109ACN8-12#PBF has the following pin configuration:

```

---

| | --| VIN GND |-- Pin 1: Ground --| VOUT NC |-- Pin 2: No Connection --| FB NC |-- Pin 3: No Connection --| NC NC |-- Pin 4: No Connection --| NC NC |-- Pin 5: No Connection --| NC NC |-- Pin 6: No Connection --| NC NC |-- Pin 7: No Connection --| NC VOUT|-- Pin 8: Output Voltage |___________| ```

Functional Features

• Voltage regulation: The LT1109ACN8-12#PBF ensures a stable output voltage of 12V, regardless of input voltage fluctuations.
• Current limiting: It incorporates current limiting protection to prevent damage to the circuitry.
• Thermal shutdown: In case of excessive temperature, the regulator shuts down to avoid overheating.

Advantages and Disadvantages

Advantages

• High efficiency operation
• Wide input voltage range
• Low dropout voltage
• Compact package size

Disadvantages

• Limited output current capacity (up to 100mA)
• No built-in short-circuit protection

Working Principles

The LT1109ACN8-12#PBF operates as a linear voltage regulator. It uses a feedback mechanism to maintain a constant output voltage. When the input voltage varies, the regulator adjusts its internal circuitry to ensure a steady 12V output. It achieves this by comparing the actual output voltage with a reference voltage and adjusting the internal components accordingly.

Detailed Application Field Plans

The LT1109ACN8-12#PBF finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Automotive electronics - Industrial control systems - Portable consumer electronics - Embedded systems

Alternative Models

Here are some alternative models that can be considered as substitutes for the LT1109ACN8-12#PBF: - LM317T - LM7805 - LT1084CP-12 - ADP3339AKCZ-3.3-R7

These alternatives offer similar functionality and can be used as drop-in replacements depending on specific requirements.

In conclusion, the LT1109ACN8-12#PBF is a voltage regulator with excellent characteristics such as high efficiency, wide input voltage range, and compact package size. While it has limitations in terms of output current capacity and lack of built-in short-circuit protection, it serves as a reliable solution for various applications in the field of electronics.