LT1521CST-3#TRPBF

Product Overview

Category

The LT1521CST-3#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 LT1521CST-3#TRPBF provides a regulated output voltage.
• Low dropout voltage: It operates with a low dropout voltage, ensuring efficient power conversion.
• Low quiescent current: The device consumes minimal current when not actively regulating voltage.
• Thermal shutdown protection: It includes built-in thermal shutdown protection to prevent overheating.

Package

The LT1521CST-3#TRPBF comes in a small surface-mount SOT-223 package.

Essence

The essence of the LT1521CST-3#TRPBF is its ability to provide stable and regulated voltage output for various electronic applications.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specific quantity per package. Please refer to the manufacturer's specifications for detailed packaging information.

Specifications

• Output voltage: 3.0V
• Input voltage range: 2.5V to 20V
• Dropout voltage: 0.4V at 100mA load current
• Quiescent current: 75µA (typical)
• Operating temperature range: -40°C to 125°C
• Line regulation: ±0.02% (typical)
• Load regulation: ±0.04% (typical)

Detailed Pin Configuration

The LT1521CST-3#TRPBF has three pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. VOUT (Pin 3): Regulated output voltage pin.

Functional Features

• Voltage regulation: The LT1521CST-3#TRPBF maintains a stable output voltage despite variations in input voltage and load conditions.
• Low dropout voltage: It operates efficiently even when the input voltage is close to the desired output voltage.
• Thermal shutdown protection: The device automatically shuts down if the temperature exceeds a safe limit, preventing damage.

Advantages and Disadvantages

Advantages

• Provides stable and regulated output voltage.
• Low dropout voltage ensures efficient power conversion.
• Low quiescent current minimizes power consumption.
• Thermal shutdown protection prevents overheating.

Disadvantages

• Limited output voltage options (fixed at 3.0V).
• SOT-223 package may require surface-mount soldering expertise.

Working Principles

The LT1521CST-3#TRPBF utilizes internal circuitry to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a constant output voltage. The device continuously monitors the input voltage and load conditions to ensure stable operation.

Detailed Application Field Plans

The LT1521CST-3#TRPBF finds applications in various electronic systems, including but not limited to: - Battery-powered devices - Portable electronics - Automotive electronics - Industrial control systems - Communication equipment

Detailed and Complete Alternative Models

1. LT1521CS8-3.3#PBF: Similar to LT1521CST-3#TRPBF, but comes in an 8-pin SOIC package.
2. LT1521IS8-3.3#PBF: Another alternative with an 8-pin SOIC package, offering the same functionality.

These alternative models provide similar voltage regulation capabilities and can be used as substitutes for the LT1521CST-3#TRPBF depending on the specific application requirements.

Note: The above information is based on the available data at the time of writing. Please refer to the manufacturer's datasheet for the most accurate and up-to-date information.

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