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LT3021IS8-1.8#TRPBF
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LT3021IS8-1.8#TRPBF

Product Overview

Category

The LT3021IS8-1.8#TRPBF belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

  • Low dropout voltage
  • High output accuracy
  • Low quiescent current
  • Thermal shutdown protection
  • Adjustable output voltage

Package

The LT3021IS8-1.8#TRPBF comes in an 8-pin SOIC package.

Essence

This voltage regulator is designed to provide a stable and accurate output voltage, even when the input voltage fluctuates.

Packaging/Quantity

The LT3021IS8-1.8#TRPBF is typically packaged in reels and is available in quantities specified by the manufacturer.

Specifications

  • Input Voltage Range: 2.5V to 20V
  • Output Voltage: 1.8V
  • Dropout Voltage: 300mV at 100mA load
  • Quiescent Current: 45µA
  • Operating Temperature Range: -40°C to 125°C
  • Line Regulation: ±0.02%
  • Load Regulation: ±0.1%

Detailed Pin Configuration

The LT3021IS8-1.8#TRPBF has the following pin configuration:

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. ADJ (Adjustment Pin)
  4. NC (No Connection)
  5. NC (No Connection)
  6. NC (No Connection)
  7. VOUT (Output Voltage)
  8. NC (No Connection)

Functional Features

  • Low dropout voltage ensures efficient regulation even with small input-output differentials.
  • High output accuracy provides precise voltage regulation for sensitive electronic components.
  • Low quiescent current minimizes power consumption when the load is light.
  • Thermal shutdown protection prevents damage due to excessive temperature.
  • Adjustable output voltage allows for flexibility in various applications.

Advantages and Disadvantages

Advantages

  • Stable and accurate voltage regulation
  • Wide input voltage range
  • Low dropout voltage
  • Low quiescent current
  • Thermal shutdown protection

Disadvantages

  • Limited output voltage options (fixed at 1.8V)
  • Not suitable for high-power applications

Working Principles

The LT3021IS8-1.8#TRPBF operates by comparing the output voltage with a reference voltage. It adjusts the pass transistor's resistance to maintain a constant output voltage, compensating for any changes in the input voltage or load conditions. This feedback mechanism ensures stable and accurate voltage regulation.

Detailed Application Field Plans

The LT3021IS8-1.8#TRPBF finds applications in various electronic systems, including:

  1. Battery-powered devices: Provides regulated voltage for microcontrollers, sensors, and other low-power components.
  2. Portable audio players: Ensures consistent power supply for audio amplifiers and digital signal processors.
  3. Automotive electronics: Regulates voltage for control modules, infotainment systems, and lighting circuits.
  4. Industrial automation: Maintains stable voltage levels for PLCs, motor drives, and sensors.
  5. Telecommunications equipment: Provides reliable voltage regulation for routers, switches, and base stations.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LT3021IS8-1.8#TRPBF include:

  1. LM1117-1.8: Fixed 1.8V voltage regulator with low dropout voltage.
  2. LT1763-1.8: Adjustable output voltage regulator with low quiescent current.
  3. TPS7A4700: High-performance voltage regulator with thermal shutdown protection.
  4. ADP3339: Low dropout voltage regulator with adjustable output voltage.

These alternative models can be considered based on specific application requirements and desired features.

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技術ソリューションにおける LT3021IS8-1.8#TRPBF の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of LT3021IS8-1.8#TRPBF in technical solutions:

1. What is the LT3021IS8-1.8#TRPBF? The LT3021IS8-1.8#TRPBF is a low dropout linear regulator IC that provides a fixed output voltage of 1.8V.

2. What is the input voltage range for LT3021IS8-1.8#TRPBF? The input voltage range for LT3021IS8-1.8#TRPBF is typically between 2.5V and 20V.

3. What is the maximum output current of LT3021IS8-1.8#TRPBF? The maximum output current of LT3021IS8-1.8#TRPBF is 100mA.

4. Can LT3021IS8-1.8#TRPBF be used in battery-powered applications? Yes, LT3021IS8-1.8#TRPBF can be used in battery-powered applications as it has a low dropout voltage and operates efficiently with low input voltages.

5. Is LT3021IS8-1.8#TRPBF suitable for noise-sensitive applications? Yes, LT3021IS8-1.8#TRPBF is designed to provide low output noise, making it suitable for noise-sensitive applications.

6. Does LT3021IS8-1.8#TRPBF have built-in thermal shutdown protection? Yes, LT3021IS8-1.8#TRPBF has built-in thermal shutdown protection to prevent overheating and ensure safe operation.

7. Can LT3021IS8-1.8#TRPBF be used in automotive applications? Yes, LT3021IS8-1.8#TRPBF is suitable for automotive applications as it can operate within the required temperature range and has a wide input voltage range.

8. What is the typical dropout voltage of LT3021IS8-1.8#TRPBF? The typical dropout voltage of LT3021IS8-1.8#TRPBF is 300mV at 100mA load current.

9. Can LT3021IS8-1.8#TRPBF be used in low-power IoT devices? Yes, LT3021IS8-1.8#TRPBF is suitable for low-power IoT devices as it provides a stable and regulated 1.8V output voltage.

10. Does LT3021IS8-1.8#TRPBF require any external components for operation? LT3021IS8-1.8#TRPBF requires a few external components such as input and output capacitors to ensure stability and proper operation.

Please note that these answers are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult with an engineer for detailed information and application-specific guidance.