LT3021EDH-1.2#TRPBF

Product Overview

Category

The LT3021EDH-1.2#TRPBF belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• The LT3021EDH-1.2#TRPBF is a low dropout linear regulator.
• It operates with an input voltage range of 1.8V to 20V.
• The output voltage can be adjusted from 1.22V to 20V.
• It has a maximum output current of 200mA.
• This regulator offers high accuracy and low noise performance.
• It features a low quiescent current, making it suitable for battery-powered applications.
• The LT3021EDH-1.2#TRPBF has built-in thermal shutdown and current limit protection.

Package

This product is available in a small surface-mount package.

Essence

The LT3021EDH-1.2#TRPBF is an essential component for maintaining stable voltage levels in various electronic devices and systems.

Packaging/Quantity

The LT3021EDH-1.2#TRPBF is typically packaged in reels or tubes, and the quantity per package varies depending on the supplier.

Specifications

• Input Voltage Range: 1.8V to 20V
• Output Voltage Range: 1.22V to 20V
• Maximum Output Current: 200mA
• Dropout Voltage: 300mV at 200mA
• Quiescent Current: 40μA
• Line Regulation: ±0.02%
• Load Regulation: ±0.1%
• Thermal Shutdown: Yes
• Current Limit Protection: Yes

Detailed Pin Configuration

The LT3021EDH-1.2#TRPBF has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin

Functional Features

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

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low quiescent current makes it suitable for battery-powered devices.
• Compact package size 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 may result in higher power dissipation.

Working Principles

The LT3021EDH-1.2#TRPBF operates as a linear regulator, utilizing a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain the desired output voltage. The device also incorporates various protection features to ensure safe operation.

Detailed Application Field Plans

The LT3021EDH-1.2#TRPBF finds applications in various electronic systems, including but not limited to: - Battery-powered devices - Portable electronics - Industrial control systems - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LT3021EDH-1.2#TRPBF include: - LM1117-ADJ - LT1763-3.3 - ADP3339AKCZ-2.5-R7 - TPS7A4700RGWT

These alternatives can be considered based on specific requirements and design constraints.

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