LT3015IDD-3#TRPBF

Product Overview

Category

The LT3015IDD-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

• The LT3015IDD-3#TRPBF is a low dropout (LDO) linear regulator.
• It operates with an input voltage range of 2.2V to 20V.
• The output voltage can be adjusted from 1.22V to 19.5V.
• It has a maximum output current of 100mA.
• This regulator offers high accuracy and low noise performance.
• It features a low quiescent current, making it suitable for battery-powered applications.
• The LT3015IDD-3#TRPBF has built-in thermal shutdown and current limit protection.

Package

This product is available in a DFN (Dual Flat No-Lead) package.

Essence

The LT3015IDD-3#TRPBF is an essential component in electronic devices that require stable and regulated power supply.

Packaging/Quantity

The LT3015IDD-3#TRPBF is typically packaged in reels or tubes, and the quantity per package varies depending on the supplier.

Specifications

• Input Voltage Range: 2.2V to 20V
• Output Voltage Range: 1.22V to 19.5V
• Maximum Output Current: 100mA
• Dropout Voltage: 300mV at 100mA
• Quiescent Current: 40µA
• Line Regulation: ±0.02%
• Load Regulation: ±0.1%
• Thermal Shutdown: Yes
• Current Limit Protection: Yes

Detailed Pin Configuration

The LT3015IDD-3#TRPBF has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. ADJ: Adjustable pin for setting the output voltage

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• High accuracy and low noise performance provide stable and clean power supply.
• Built-in thermal shutdown protects the regulator from overheating.
• Current limit protection prevents excessive current flow, ensuring device safety.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low quiescent current makes it suitable for battery-powered devices.
• Compact DFN package enables space-saving designs.
• Excellent line and load regulation ensure stable output voltage.

Disadvantages

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

Working Principles

The LT3015IDD-3#TRPBF 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 stable output voltage.

Detailed Application Field Plans

The LT3015IDD-3#TRPBF finds applications in various electronic systems, including but not limited to: - Battery-powered devices such as portable electronics and IoT devices. - Automotive electronics for voltage regulation in vehicle systems. - Industrial control systems requiring stable power supply. - Communication equipment and networking devices. - Medical devices and instrumentation.

Detailed and Complete Alternative Models

• LT1763: Low dropout linear regulator with adjustable output voltage and higher maximum output current.
• LM1117: Popular LDO regulator with a wide range of output voltage options.
• ADP3339: High accuracy LDO regulator with low dropout voltage and adjustable output voltage.
• TPS7A47: Ultra-low noise LDO regulator suitable for sensitive audio applications.

These alternative models offer similar functionality to the LT3015IDD-3#TRPBF and can be considered based on specific requirements.

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