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LT1963ET-1.8#30PBF

LT1963ET-1.8#30PBF

Product Overview

Category

The LT1963ET-1.8#30PBF belongs to the category of linear voltage regulators.

Use

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

Characteristics

  • The LT1963ET-1.8#30PBF is a low dropout (LDO) linear regulator.
  • It has a fixed output voltage of 1.8V.
  • The package type for this product is TO-220.
  • The essence of this regulator lies in its ability to provide a stable and regulated output voltage despite fluctuations in the input voltage.

Packaging/Quantity

The LT1963ET-1.8#30PBF is typically packaged in reels or tubes, containing a specific quantity of units per package.

Specifications

  • Input Voltage Range: 2.5V to 20V
  • Output Voltage: 1.8V
  • Maximum Output Current: 1.5A
  • Dropout Voltage: 340mV at 1.5A
  • Line Regulation: ±0.02%
  • Load Regulation: ±0.1%
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1963ET-1.8#30PBF has three pins:

  1. VIN (Pin 1): This pin is used to connect the input voltage source.
  2. GND (Pin 2): This pin is connected to the ground reference.
  3. VOUT (Pin 3): This pin provides the regulated output voltage of 1.8V.

Functional Features

  • Low dropout voltage ensures efficient regulation even with small voltage differentials.
  • Excellent line and load regulation characteristics ensure stable output voltage under varying conditions.
  • Overcurrent and thermal protection features safeguard the regulator and the connected circuitry.
  • Fast transient response enables quick stabilization of the output voltage.

Advantages

  • High accuracy and stability in regulating the output voltage.
  • Low dropout voltage minimizes power dissipation and improves efficiency.
  • Wide input voltage range allows for versatile applications.
  • Robust protection features enhance reliability and prevent damage to the device.

Disadvantages

  • The TO-220 package may require additional space on the PCB compared to smaller package options.
  • Higher cost compared to some other voltage regulation solutions.

Working Principles

The LT1963ET-1.8#30PBF operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This ensures that the output voltage remains constant, even when the input voltage fluctuates.

Detailed Application Field Plans

The LT1963ET-1.8#30PBF finds application in various electronic systems where a stable and regulated 1.8V voltage supply is required. Some common application fields include:

  1. Microcontroller circuits
  2. Data acquisition systems
  3. Audio amplifiers
  4. Battery-powered devices
  5. Industrial control systems

Detailed and Complete Alternative Models

  1. LM1117-1.8: A popular alternative with similar specifications and performance characteristics.
  2. LT1763-1.8: Another option from the same manufacturer, offering comparable features.
  3. ADP3339-1.8: An alternative from a different manufacturer, suitable for similar applications.

These alternative models provide similar functionality and can be considered as substitutes for the LT1963ET-1.8#30PBF depending on specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LT1963ET-1.8#30PBF v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LT1963ET-1.8#30PBF in technical solutions:

Q1: What is the LT1963ET-1.8#30PBF? A1: The LT1963ET-1.8#30PBF is a low dropout (LDO) linear voltage regulator manufactured by Linear Technology (now part of Analog Devices). It provides a fixed output voltage of 1.8V with a maximum output current of 1.5A.

Q2: What is the input voltage range for the LT1963ET-1.8#30PBF? A2: The input voltage range for the LT1963ET-1.8#30PBF is typically between 2.5V and 20V.

Q3: What is the dropout voltage of the LT1963ET-1.8#30PBF? A3: The dropout voltage of the LT1963ET-1.8#30PBF is typically around 300mV at full load.

Q4: What is the typical output voltage accuracy of the LT1963ET-1.8#30PBF? A4: The typical output voltage accuracy of the LT1963ET-1.8#30PBF is ±1%.

Q5: Can the LT1963ET-1.8#30PBF handle high currents? A5: Yes, the LT1963ET-1.8#30PBF can handle a maximum output current of 1.5A, making it suitable for applications that require higher current levels.

Q6: Is the LT1963ET-1.8#30PBF thermally protected? A6: Yes, the LT1963ET-1.8#30PBF has built-in thermal shutdown protection to prevent overheating.

Q7: Can the LT1963ET-1.8#30PBF be used in battery-powered applications? A7: Yes, the LT1963ET-1.8#30PBF can be used in battery-powered applications as it operates with low dropout voltage and has low quiescent current.

Q8: What is the maximum junction temperature for the LT1963ET-1.8#30PBF? A8: The maximum junction temperature for the LT1963ET-1.8#30PBF is 125°C.

Q9: Does the LT1963ET-1.8#30PBF require external capacitors? A9: Yes, the LT1963ET-1.8#30PBF requires input and output capacitors for stability. The datasheet provides recommended values and types of capacitors to use.

Q10: Can the LT1963ET-1.8#30PBF be used in automotive applications? A10: Yes, the LT1963ET-1.8#30PBF is suitable for automotive applications as it meets the AEC-Q100 automotive qualification standards.

Please note that these answers are based on general information about the LT1963ET-1.8#30PBF. It is always recommended to refer to the datasheet and consult with the manufacturer for specific application requirements and guidelines.