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LT3973EDD#TRPBF
Product Overview
Category
LT3973EDD#TRPBF belongs to the category of integrated circuits (ICs).
Use
This IC is commonly used in various electronic devices for voltage regulation and power management purposes.
Characteristics
- High efficiency
- Wide input voltage range
- Low quiescent current
- Adjustable output voltage
- Overcurrent protection
- Thermal shutdown protection
Package
LT3973EDD#TRPBF is available in a small form factor dual in-line package (DD) with exposed pad for enhanced thermal dissipation.
Essence
The essence of LT3973EDD#TRPBF lies in its ability to efficiently regulate voltage and manage power in electronic devices, ensuring stable and reliable operation.
Packaging/Quantity
This IC is typically packaged in reels or tubes, with a quantity of 2500 units per reel or 75 units per tube.
Specifications
- Input Voltage Range: 2.7V to 60V
- Output Voltage Range: 1.2V to 36V
- Maximum Output Current: 3A
- Quiescent Current: 40µA
- Switching Frequency: 2.2MHz
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
- VIN: Input voltage pin
- GND: Ground reference pin
- SW: Switching node pin
- FB: Feedback pin for output voltage regulation
- EN: Enable pin for turning the IC on/off
- SS: Soft-start pin for controlling the startup time
- VOUT: Output voltage pin
- PG: Power good indicator pin
Functional Features
- Wide input voltage range allows for versatile applications
- High efficiency conversion minimizes power loss
- Adjustable output voltage provides flexibility
- Overcurrent protection safeguards against excessive current flow
- Thermal shutdown protection prevents overheating
Advantages and Disadvantages
Advantages
- High efficiency operation
- Wide input voltage range
- Adjustable output voltage
- Comprehensive protection features
Disadvantages
- Relatively high quiescent current compared to some alternatives
- Limited maximum output current compared to higher power ICs
Working Principles
LT3973EDD#TRPBF operates based on a switching regulator topology. It utilizes an internal switch to rapidly switch the input voltage across an inductor, storing energy during the on-time and releasing it to the output during the off-time. This process efficiently regulates the output voltage.
Detailed Application Field Plans
LT3973EDD#TRPBF finds applications in various fields, including but not limited to: - Automotive electronics - Industrial automation - Telecommunications - Consumer electronics - Power supplies
Detailed and Complete Alternative Models
Some alternative models that can be considered as substitutes for LT3973EDD#TRPBF are: - LM2576-ADJ - TPS54331 - MAX5035A
These alternatives offer similar functionality and can be used depending on specific requirements and design considerations.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LT3973EDD#TRPBF v technických řešeních
Sure! Here are 10 common questions and answers related to the application of LT3973EDD#TRPBF in technical solutions:
Q: What is LT3973EDD#TRPBF? A: LT3973EDD#TRPBF is a specific model of a DC/DC step-down regulator integrated circuit (IC) manufactured by Linear Technology (now part of Analog Devices). It is designed for use in various technical solutions.
Q: What is the input voltage range supported by LT3973EDD#TRPBF? A: The input voltage range supported by LT3973EDD#TRPBF is typically between 2.75V and 38V.
Q: What is the output voltage range provided by LT3973EDD#TRPBF? A: LT3973EDD#TRPBF can provide an adjustable output voltage range from 0.6V to VIN.
Q: What is the maximum output current that LT3973EDD#TRPBF can handle? A: LT3973EDD#TRPBF can handle a maximum output current of up to 3A.
Q: Is LT3973EDD#TRPBF suitable for battery-powered applications? A: Yes, LT3973EDD#TRPBF is suitable for battery-powered applications as it supports a wide input voltage range and has low quiescent current.
Q: Does LT3973EDD#TRPBF have built-in protection features? A: Yes, LT3973EDD#TRPBF includes various protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.
Q: Can LT3973EDD#TRPBF be used in automotive applications? A: Yes, LT3973EDD#TRPBF is suitable for automotive applications as it can operate in a wide temperature range and has built-in protection features.
Q: What is the efficiency of LT3973EDD#TRPBF? A: The efficiency of LT3973EDD#TRPBF depends on the input and output voltage levels, as well as the load conditions. It typically achieves high efficiency levels.
Q: Can LT3973EDD#TRPBF be used in both step-down and step-up applications? A: No, LT3973EDD#TRPBF is specifically designed for step-down (buck) applications only.
Q: Are there any application notes or reference designs available for LT3973EDD#TRPBF? A: Yes, Analog Devices provides application notes and reference designs that showcase the usage of LT3973EDD#TRPBF in various technical solutions. These resources can be found on their website.