LT3021EDH-1.8#PBF

Product Overview

Category

The LT3021EDH-1.8#PBF belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize voltage levels.

Characteristics

• The LT3021EDH-1.8#PBF is a low dropout (LDO) linear regulator.
• It operates with an input voltage range of 1.8V to 20V.
• The output voltage can be set to 1.8V using external resistors.
• It provides a maximum output current of 200mA.
• This regulator offers high accuracy and low noise performance.
• It has built-in protection features such as thermal shutdown and current limit.

Package

The LT3021EDH-1.8#PBF comes in a small surface-mount package, which is easy to integrate into circuit boards.

Essence

The essence of this product lies in its ability to provide a stable and regulated output voltage for various electronic applications.

Packaging/Quantity

The LT3021EDH-1.8#PBF is typically available in reels or tubes, containing a specific quantity of units per package.

Specifications

• Input Voltage Range: 1.8V to 20V
• Output Voltage: 1.8V (adjustable)
• Maximum Output Current: 200mA
• Dropout Voltage: 300mV at 200mA
• Line Regulation: ±0.02%
• Load Regulation: ±0.2%
• Quiescent Current: 40μA
• Operating Temperature Range: -40°C to 125°C
• Package Type: DFN-6

Detailed Pin Configuration

The LT3021EDH-1.8#PBF has six pins arranged as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. ADJ: Output voltage adjustment pin
4. VOUT: Regulated output voltage pin
5. NC: No connection pin
6. SHDN: Shutdown control pin

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• High accuracy and low noise performance make it suitable for sensitive electronic applications.
• Built-in thermal shutdown protection prevents damage due to excessive temperature.
• Current limit protection safeguards against overcurrent conditions.

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Adjustable output voltage provides flexibility for different application requirements.
• Small package size enables easy integration into space-constrained designs.
• Low quiescent current minimizes power consumption in standby or idle modes.

Disadvantages

• Limited maximum output current may not be sufficient for high-power applications.
• Dropout voltage of 300mV at 200mA may cause a significant voltage drop in certain scenarios.

Working Principles

The LT3021EDH-1.8#PBF operates based on the principle of linear regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This allows it to maintain a stable output voltage despite variations in the input voltage.

Detailed Application Field Plans

The LT3021EDH-1.8#PBF finds applications in various fields, including but not limited to: - Battery-powered devices - Portable electronics - Automotive systems - Industrial control systems - Medical equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LT3021EDH-1.8#PBF include: - LT1761ES5-1.8#TRMPBF - LM1117IMPX-1.8/NOPB - MCP1700T-1802E/TT

These alternatives can be considered based on specific requirements and availability.

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