LT3009ESC8-2.5

Product Overview

Category

LT3009ESC8-2.5 belongs to the category of voltage regulators.

Use

The LT3009ESC8-2.5 is used to regulate voltage in electronic circuits.

Characteristics

• Package: The LT3009ESC8-2.5 comes in an 8-pin surface mount package.
• Essence: It is a low dropout linear regulator.
• Packaging/Quantity: The LT3009ESC8-2.5 is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

The specifications for LT3009ESC8-2.5 are as follows:

• Output Voltage: 2.5V
• Dropout Voltage: 300mV
• Maximum Input Voltage: 16V
• Maximum Output Current: 500mA
• Line Regulation: ±0.02%
• Load Regulation: ±0.1%
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3009ESC8-2.5 has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. NC (No Connection)
4. NC (No Connection)
5. NC (No Connection)
6. VOUT (Output Voltage)
7. NC (No Connection)
8. NC (No Connection)

Functional Features

The LT3009ESC8-2.5 offers the following functional features:

• Low dropout voltage: The regulator can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Low quiescent current: The LT3009ESC8-2.5 consumes minimal current when in standby mode, making it suitable for battery-powered applications.
• Overcurrent and thermal protection: The regulator includes built-in protection mechanisms to prevent damage due to excessive current or temperature.

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures stable output even with low input voltage.
• Low quiescent current prolongs battery life in portable devices.
• Built-in protection features enhance reliability.

Disadvantages

• Limited maximum output current of 500mA may not be sufficient for high-power applications.
• Higher cost compared to other voltage regulators in the market.

Working Principles

The LT3009ESC8-2.5 operates based on the principle of a linear regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The regulator compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a constant output voltage.

Detailed Application Field Plans

The LT3009ESC8-2.5 can be used in various electronic applications, including but not limited to:

1. Battery-powered devices: The low quiescent current and low dropout voltage make it suitable for portable electronics such as smartphones, tablets, and wearable devices.
2. Automotive electronics: The regulator can be used in automotive applications where a stable voltage supply is required for sensors, control modules, and infotainment systems.
3. Industrial control systems: The LT3009ESC8-2.5 can provide regulated power for microcontrollers, sensors, and other components in industrial automation and control systems.

Detailed and Complete Alternative Models

Some alternative models to LT3009ESC8-2.5 that offer similar functionality are:

1. LM1117-2.5: A popular low dropout voltage regulator with a fixed output voltage of 2.5V.
2. ADP3339-2.5: Another low dropout voltage regulator with a fixed output voltage of 2.5V and higher maximum output current capability.
3. LT1761-2.5: A low dropout voltage regulator with a fixed output voltage of 2.5V and ultra-low quiescent current.

These alternative models can be considered based on specific application requirements and desired features.

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