LT3055IDE-3.3#TRPBF

Product Overview

Category

The LT3055IDE-3.3#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 Output: 3.3V
• Package Type: DFN (Dual Flat No-Lead)
• Essence: Low Dropout Linear Regulator
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

The LT3055IDE-3.3#TRPBF has the following specifications:

• Input Voltage Range: 1.8V to 45V
• Dropout Voltage: 340mV at 500mA load current
• Output Current: Up to 500mA
• Line Regulation: ±0.02% typical
• Load Regulation: ±0.1% typical
• Quiescent Current: 1.7mA
• Temperature Range: -40°C to 125°C

Pin Configuration

The LT3055IDE-3.3#TRPBF has the following pin configuration:

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| | | LT3055IDE-3.3 | |_______________________________________| | | | VIN | | | | GND | | | | VOUT | | | |_______________________________________| ```

Functional Features

• Low dropout voltage allows for efficient regulation even with small input-output differentials.
• Excellent line and load regulation ensures stable output voltage under varying conditions.
• Wide input voltage range enables compatibility with various power sources.
• Low quiescent current minimizes power consumption when the regulator is idle.
• Thermal shutdown and current limit protection ensure safe operation.

Advantages and Disadvantages

Advantages

• High accuracy and stability in voltage regulation.
• Low dropout voltage enables efficient power conversion.
• Wide input voltage range provides versatility in applications.
• Compact DFN package allows for space-saving integration.
• Thermal shutdown and current limit protection enhance reliability.

Disadvantages

• Limited output current capacity compared to some other voltage regulators.
• Higher cost compared to basic linear regulators.

Working Principles

The LT3055IDE-3.3#TRPBF is a low dropout linear regulator that uses a PNP pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage, adjusting the pass transistor's resistance to maintain a stable output voltage. The dropout voltage is minimized through the use of a low resistance pass element.

Detailed Application Field Plans

The LT3055IDE-3.3#TRPBF finds applications in various electronic systems where stable and regulated voltage supply is required. Some common application fields include:

1. Battery-powered devices: Provides regulated voltage for microcontrollers, sensors, and other components in portable electronics.
2. Industrial automation: Ensures stable power supply for control systems, motor drives, and sensors.
3. Automotive electronics: Regulates voltage for automotive modules, infotainment systems, and lighting controls.
4. Communication equipment: Provides reliable voltage for routers, switches, and wireless communication devices.
5. Medical devices: Ensures precise voltage levels for medical instruments, patient monitoring systems, and diagnostic equipment.

Detailed and Complete Alternative Models

Some alternative models to the LT3055IDE-3.3#TRPBF include:

1. LM1117-3.3: Low dropout voltage regulator with similar specifications.
2. LT1763-3.3: Ultra-low dropout linear regulator with higher output current capability.
3. ADP3339-3.3: Low dropout voltage regulator with adjustable output voltage.
4. TPS7A3301-3.3: High-performance linear regulator with low noise output.

These alternative models offer different features and specifications, allowing designers to choose the most suitable option for their specific application requirements.

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