LT1172HVCT#31PBF
Product Overview
Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics: - High voltage step-down switching regulator - Adjustable output voltage - Wide input voltage range - Low quiescent current - Internal short-circuit protection - Thermal shutdown
Package: TO-220-5L
Essence: The LT1172HVCT#31PBF is a high voltage step-down switching regulator IC that provides an adjustable output voltage. It is designed to efficiently convert higher input voltages into lower output voltages, making it suitable for various applications.
Packaging/Quantity: The LT1172HVCT#31PBF is available in a TO-220-5L package and is typically sold in reels or tubes containing multiple units.
Specifications
- Input Voltage Range: 4V to 60V
- Output Voltage Range: 1.25V to 50V
- Maximum Output Current: 1.5A
- Switching Frequency: 100kHz to 500kHz
- Quiescent Current: 6mA
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
The LT1172HVCT#31PBF has five pins arranged as follows:
- VIN - Input voltage pin
- GND - Ground pin
- FB - Feedback pin for adjusting the output voltage
- SW - Switching pin connected to the inductor
- VOUT - Output voltage pin
Functional Features
- High efficiency voltage conversion
- Adjustable output voltage for flexibility
- Wide input voltage range for versatile applications
- Internal short-circuit protection ensures device safety
- Thermal shutdown prevents overheating
Advantages and Disadvantages
Advantages: - Efficient voltage conversion - Adjustable output voltage - Wide input voltage range - Internal short-circuit protection - Thermal shutdown for device safety
Disadvantages: - Limited maximum output current (1.5A) - Relatively high quiescent current (6mA)
Working Principles
The LT1172HVCT#31PBF operates as a step-down switching regulator. It uses a high-frequency switching circuit to convert the higher input voltage into a lower output voltage. The feedback pin (FB) allows the user to adjust the desired output voltage. The internal circuitry ensures efficient power conversion while providing protection against short circuits and thermal overload.
Detailed Application Field Plans
The LT1172HVCT#31PBF can be used in various applications, including but not limited to: - Power supply systems - Battery charging circuits - Automotive electronics - Industrial equipment - Telecommunications devices
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the LT1172HVCT#31PBF include: - LM2576-ADJ - MC34063A - LT1073
These models provide comparable voltage regulation capabilities and can be considered as alternatives based on specific application requirements.
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技術ソリューションにおける LT1172HVCT#31PBF 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 LT1172HVCT#31PBF in technical solutions:
Q: What is the LT1172HVCT#31PBF? A: The LT1172HVCT#31PBF is a high voltage, adjustable frequency switching regulator designed for use in various power supply applications.
Q: What is the input voltage range of the LT1172HVCT#31PBF? A: The LT1172HVCT#31PBF can handle an input voltage range from 3V to 60V.
Q: What is the output voltage range of the LT1172HVCT#31PBF? A: The LT1172HVCT#31PBF can provide an adjustable output voltage range from 1.25V to 50V.
Q: What is the maximum output current of the LT1172HVCT#31PBF? A: The LT1172HVCT#31PBF can deliver a maximum output current of 1.5A.
Q: Can the LT1172HVCT#31PBF be used in both step-up (boost) and step-down (buck) configurations? A: Yes, the LT1172HVCT#31PBF can be used in both step-up and step-down configurations, making it versatile for various applications.
Q: Does the LT1172HVCT#31PBF have built-in protection features? A: Yes, the LT1172HVCT#31PBF includes features like thermal shutdown, current limiting, and short-circuit protection to ensure safe operation.
Q: What is the typical efficiency of the LT1172HVCT#31PBF? A: The LT1172HVCT#31PBF has a typical efficiency of around 85-90%, depending on the input and output voltage conditions.
Q: Can the LT1172HVCT#31PBF operate in a wide temperature range? A: Yes, the LT1172HVCT#31PBF is designed to operate in a temperature range from -40°C to 125°C.
Q: What type of package does the LT1172HVCT#31PBF come in? A: The LT1172HVCT#31PBF is available in a TO-220 package, which is commonly used for power electronic components.
Q: Are there any application notes or reference designs available for the LT1172HVCT#31PBF? A: Yes, Linear Technology (now part of Analog Devices) provides application notes and reference designs that can help users implement the LT1172HVCT#31PBF effectively in their technical solutions.
Please note that the answers provided here are general and may vary based on specific datasheet information and application requirements.