LT1109ACN8-5#PBF

Product Overview

Category

The LT1109ACN8-5#PBF belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.5V to 18V
• Output Voltage: 5V
• Maximum Output Current: 200mA
• Package Type: DIP-8
• Operating Temperature Range: -40°C to 85°C

Packaging/Quantity

The LT1109ACN8-5#PBF is available in a standard DIP-8 package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 2.5V to 18V
• Output Voltage: 5V ± 4%
• Output Current: Up to 200mA
• Dropout Voltage: 300mV at 100mA
• Quiescent Current: 1.5mA
• Ripple Rejection: 70dB
• Line Regulation: 0.04%/V
• Load Regulation: 0.3%/mA
• Shutdown Current: 10μA

Pin Configuration

The LT1109ACN8-5#PBF has a total of 8 pins arranged as follows:

```

---

| | --| Vout |-- --| GND |-- --| Vin |-- --| NC |-- --| NC |-- --| NC |-- --| NC |-- |_______| ```

Functional Features

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient power conversion.
• Excellent ripple rejection minimizes noise in the output voltage.
• Shutdown mode reduces power consumption when not in use.

Advantages

• Compact and easy-to-use package.
• Wide input voltage range allows for flexibility in various applications.
• Low dropout voltage ensures efficient power conversion even with low input voltages.
• Excellent ripple rejection minimizes noise in the output voltage, resulting in cleaner power supply for sensitive components.

Disadvantages

• Limited maximum output current of 200mA may not be sufficient for high-power applications.
• DIP-8 package may not be suitable for space-constrained designs.

Working Principles

The LT1109ACN8-5#PBF is a linear voltage regulator that uses a feedback mechanism to maintain a stable output voltage. It operates by comparing the output voltage with a reference voltage and adjusting the internal circuitry to regulate the output voltage at the desired level. The device utilizes a pass transistor to control the voltage drop across it, ensuring that the output voltage remains constant regardless of variations in the input voltage or load conditions.

Detailed Application Field Plans

The LT1109ACN8-5#PBF can be used in various applications, including but not limited to: - Battery-powered devices - Portable electronics - Automotive electronics - Industrial control systems - Communication equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LT1109ACN8-5#PBF include: - LM317: Adjustable voltage regulator with higher output current capability. - LT1084: Fixed voltage regulator with lower dropout voltage. - LM7805: Fixed voltage regulator with higher output current capability.

These alternative models can be considered based on specific requirements and constraints of the application.

In conclusion, the LT1109ACN8-5#PBF is a voltage regulator with a wide input voltage range, compact package, and excellent performance characteristics. It finds applications in various fields and offers advantages such as efficient power conversion and low noise output. However, it has limitations in terms of maximum output current and package size. Alternative models can be explored based on specific needs.