LTC3872HTS8-1#TRMPBF
Product Overview
Category
The LTC3872HTS8-1#TRMPBF belongs to the category of integrated circuits (ICs).
Use
This product is commonly used in power management applications.
Characteristics
- High efficiency
- Wide input voltage range
- Low quiescent current
- Adjustable output voltage
- Synchronous rectification
- Overcurrent protection
Package
The LTC3872HTS8-1#TRMPBF is available in a TSOT-23-8 package.
Essence
This IC is designed to provide efficient power management solutions for various electronic devices.
Packaging/Quantity
The LTC3872HTS8-1#TRMPBF is typically packaged in reels and comes in quantities of 3000 units per reel.
Specifications
- Input Voltage Range: 4.5V to 38V
- Output Voltage Range: 0.6V to VIN
- Maximum Output Current: 3A
- Switching Frequency: Up to 2MHz
- Quiescent Current: 50µA
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
- VIN: Input voltage pin
- GND: Ground 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
- PG: Power good indicator pin
- SW: Switch node pin for connecting the external inductor
- VOUT: Output voltage pin
Functional Features
- Constant frequency, current mode control
- Adjustable output voltage through feedback pin
- Integrated synchronous rectification for improved efficiency
- Overcurrent protection with hiccup mode
- Soft-start function for controlled startup
- Power good indicator for system monitoring
Advantages and Disadvantages
Advantages
- High efficiency operation
- Wide input voltage range allows for versatile applications
- Low quiescent current minimizes power consumption
- Adjustable output voltage provides flexibility
- Synchronous rectification improves overall efficiency
- Overcurrent protection ensures device safety
Disadvantages
- Limited maximum output current of 3A
- Requires external inductor for operation
Working Principles
The LTC3872HTS8-1#TRMPBF operates on a constant frequency, current mode control principle. It regulates the output voltage by adjusting the duty cycle of the internal switches. The feedback pin (FB) is used to set the desired output voltage, while the enable pin (EN) controls the IC's on/off state. The soft-start pin (SS) allows for controlled startup, preventing excessive inrush current. The integrated synchronous rectification improves efficiency by reducing power losses.
Detailed Application Field Plans
The LTC3872HTS8-1#TRMPBF finds applications in various fields, including:
- Industrial equipment power supplies
- Automotive electronics
- Telecommunications systems
- Consumer electronics
- LED lighting systems
- Battery-powered devices
Detailed and Complete Alternative Models
- LTC3871: Similar features with higher maximum output current of 5A
- LTC3873: Lower maximum output current of 2A but with additional features such as adjustable frequency
- LTC3874: Higher maximum output current of 8A with integrated power MOSFETs
These alternative models provide options based on specific requirements and performance needs.
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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LTC3872HTS8-1#TRMPBF i tekniska lösningar
Sure! Here are 10 common questions and answers related to the application of LTC3872HTS8-1#TRMPBF in technical solutions:
Q1: What is the LTC3872HTS8-1#TRMPBF? A1: The LTC3872HTS8-1#TRMPBF is a specific model of a high-performance synchronous step-down DC/DC controller.
Q2: What is the input voltage range for the LTC3872HTS8-1#TRMPBF? A2: The input voltage range for the LTC3872HTS8-1#TRMPBF is typically between 4.5V and 38V.
Q3: What is the output voltage range for the LTC3872HTS8-1#TRMPBF? A3: The output voltage range for the LTC3872HTS8-1#TRMPBF can be adjusted from 0.6V to 5.5V.
Q4: What is the maximum output current capability of the LTC3872HTS8-1#TRMPBF? A4: The LTC3872HTS8-1#TRMPBF can handle a maximum output current of up to 25A.
Q5: Does the LTC3872HTS8-1#TRMPBF support synchronous rectification? A5: Yes, the LTC3872HTS8-1#TRMPBF supports synchronous rectification for improved efficiency.
Q6: Can the LTC3872HTS8-1#TRMPBF operate in a wide temperature range? A6: Yes, the LTC3872HTS8-1#TRMPBF is designed to operate in a wide temperature range, typically from -40°C to 125°C.
Q7: What protection features does the LTC3872HTS8-1#TRMPBF offer? A7: The LTC3872HTS8-1#TRMPBF provides various protection features, including overvoltage protection, overcurrent protection, and thermal shutdown.
Q8: Is the LTC3872HTS8-1#TRMPBF suitable for automotive applications? A8: Yes, the LTC3872HTS8-1#TRMPBF is suitable for automotive applications as it meets the necessary requirements and standards.
Q9: Can the LTC3872HTS8-1#TRMPBF be used in battery-powered systems? A9: Yes, the LTC3872HTS8-1#TRMPBF can be used in battery-powered systems due to its wide input voltage range and efficient operation.
Q10: What are some typical applications of the LTC3872HTS8-1#TRMPBF? A10: The LTC3872HTS8-1#TRMPBF is commonly used in various applications such as telecom infrastructure, industrial equipment, and power distribution systems.
Please note that these answers are general and may vary depending on specific design considerations and requirements. It's always recommended to refer to the datasheet and consult with technical experts for accurate information.