LTC1728ES5-2.5#TRPBF

Product Overview

Category

LTC1728ES5-2.5#TRPBF 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 LTC1728ES5-2.5#TRPBF provides a regulated output voltage.
• Low dropout: It operates with a low dropout voltage, ensuring efficient power conversion.
• Small package size: The LTC1728ES5-2.5#TRPBF comes in a compact SOT-23 package, making it suitable for space-constrained applications.
• High accuracy: This voltage regulator offers high precision in maintaining the desired output voltage.
• Low quiescent current: It consumes minimal current when in standby mode, conserving power.

Package and Quantity

The LTC1728ES5-2.5#TRPBF is available in a SOT-23 package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 2.7V to 6V
• Output Voltage: 2.5V
• Dropout Voltage: 300mV at 100mA
• Quiescent Current: 40µA
• Load Regulation: ±0.1%
• Line Regulation: ±0.05%
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LTC1728ES5-2.5#TRPBF has the following pin configuration:

```

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| | --| VIN GND |-- --| VOUT EN |-- |___________| ```

• VIN: Input voltage pin
• GND: Ground pin
• VOUT: Output voltage pin
• EN: Enable pin (active high)

Functional Features

• Voltage Regulation: The LTC1728ES5-2.5#TRPBF maintains a constant output voltage of 2.5V, regardless of input voltage fluctuations.
• Low Dropout: It operates with a low dropout voltage, ensuring efficient power conversion even when the input voltage is close to the desired output voltage.
• Enable Pin: The EN pin allows for easy on/off control of the regulator, conserving power when not needed.
• Thermal Shutdown Protection: The LTC1728ES5-2.5#TRPBF includes built-in thermal shutdown protection, preventing damage due to excessive heat.

Advantages and Disadvantages

Advantages

• High accuracy in voltage regulation
• Compact package size
• Low quiescent current consumption
• Wide operating temperature range

Disadvantages

• Limited output voltage options (fixed at 2.5V)
• Requires external components for proper operation

Working Principles

The LTC1728ES5-2.5#TRPBF is a linear voltage regulator that uses a feedback mechanism to maintain a stable output voltage. It compares the output voltage with a reference voltage and adjusts the internal circuitry to ensure the desired output voltage is maintained. The regulator operates by dissipating excess voltage as heat, which is why it has a dropout voltage specification.

Detailed Application Field Plans

The LTC1728ES5-2.5#TRPBF finds applications in various electronic devices and systems, including:

1. Battery-powered devices: It can be used to regulate voltage in portable electronics such as smartphones, tablets, and wearable devices.
2. Embedded systems: The regulator ensures stable voltage levels in microcontrollers, sensors, and other components of embedded systems.
3. Automotive electronics: It is suitable for automotive applications where a regulated voltage supply is required for various subsystems.
4. Industrial control systems: The LTC1728ES5-2.5#TRPBF can be used in industrial automation, robotics, and other control systems to maintain stable voltage levels.

Detailed and Complete Alternative Models

1. LM1117-2.5: A popular alternative with similar specifications and package options.
2. LT1763-2.5: Offers lower dropout voltage and higher accuracy but comes in a larger package.
3. MCP1702-2.5: Provides a cost-effective alternative with comparable performance.

These alternative models offer different trade-offs in terms of size, cost, and performance, allowing designers to choose the most suitable option for their specific application requirements.

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