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LTC7801HFE#PBF
Product Overview
Category
The LTC7801HFE#PBF 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
- Overcurrent protection
Package
The LTC7801HFE#PBF comes in a small form factor package, which is suitable for space-constrained applications.
Essence
The essence of this product lies in its ability to efficiently manage power and provide stable output voltages.
Packaging/Quantity
The LTC7801HFE#PBF is typically packaged in reels and is available in quantities of 2500 units per reel.
Specifications
- Input Voltage Range: 4.5V to 60V
- Output Voltage Range: 0.8V to 55V
- Quiescent Current: 40µA
- Switching Frequency: Up to 2MHz
- Maximum Duty Cycle: 90%
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
The LTC7801HFE#PBF has a total of 20 pins. The pin configuration is as follows:
- VIN: Input voltage pin
- GND: Ground pin
- VOUT: Output voltage pin
- FB: Feedback pin
- EN: Enable pin
- SS/TR: Soft-start/Tracking pin
- SYNC: Synchronization pin
- PGND: Power ground pin
- SW: Switch pin
- BST: Boost pin
- AGND: Analog ground pin
- VCC: Supply voltage pin
- RT: Timing resistor pin
- CT: Timing capacitor pin
- SS/TR: Soft-start/Tracking pin
- SYNC: Synchronization pin
- PGND: Power ground pin
- SW: Switch pin
- BST: Boost pin
- AGND: Analog ground pin
Functional Features
- Wide input voltage range allows for versatile applications.
- High efficiency ensures minimal power loss.
- Adjustable output voltage provides flexibility in various scenarios.
- Overcurrent protection safeguards the circuit and connected devices.
Advantages and Disadvantages
Advantages
- High efficiency leads to energy savings.
- Wide input voltage range enables compatibility with different power sources.
- Adjustable output voltage offers versatility.
- Overcurrent protection enhances system reliability.
Disadvantages
- Limited maximum duty cycle may restrict certain applications.
- Higher cost compared to some alternative models.
Working Principles
The LTC7801HFE#PBF operates on a switching regulator principle. It utilizes high-frequency switching to efficiently convert the input voltage to the desired output voltage. The integrated circuit incorporates control mechanisms to regulate the output voltage, provide overcurrent protection, and ensure stable operation.
Detailed Application Field Plans
The LTC7801HFE#PBF finds applications in various fields, including but not limited to: - Industrial automation - Automotive electronics - Telecommunications - Renewable energy systems - Consumer electronics
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the LTC7801HFE#PBF include: - LTC7800HFE#PBF - LT8614EMSE#PBF - TPS54332DDAR
These models can be considered based on specific requirements and design considerations.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LTC7801HFE#PBF v technických řešeních
Sure! Here are 10 common questions and answers related to the application of LTC7801HFE#PBF in technical solutions:
Q1: What is LTC7801HFE#PBF? A1: LTC7801HFE#PBF is a specific model number for a power management integrated circuit (PMIC) developed by Linear Technology (now part of Analog Devices). It is designed for high-efficiency synchronous buck-boost converters.
Q2: What are the key features of LTC7801HFE#PBF? A2: Some key features of LTC7801HFE#PBF include wide input voltage range, high efficiency, low quiescent current, adjustable switching frequency, and various protection features like overvoltage and overcurrent protection.
Q3: What are the typical applications of LTC7801HFE#PBF? A3: LTC7801HFE#PBF can be used in a wide range of applications such as battery-powered systems, industrial equipment, automotive electronics, portable devices, and distributed power systems.
Q4: What is the input voltage range supported by LTC7801HFE#PBF? A4: LTC7801HFE#PBF supports an input voltage range from 2.8V to 60V, making it suitable for a variety of power supply designs.
Q5: Can LTC7801HFE#PBF operate in both buck and boost modes? A5: Yes, LTC7801HFE#PBF is a synchronous buck-boost converter, which means it can operate in both step-down (buck) and step-up (boost) modes, providing flexibility in power conversion.
Q6: How efficient is LTC7801HFE#PBF? A6: LTC7801HFE#PBF offers high efficiency, typically up to 98%, which helps in reducing power losses and maximizing battery life.
Q7: Can LTC7801HFE#PBF be used for high-power applications? A7: Yes, LTC7801HFE#PBF can handle high currents and is suitable for high-power applications, making it versatile for various system requirements.
Q8: Does LTC7801HFE#PBF have any protection features? A8: Yes, LTC7801HFE#PBF includes several protection features such as overvoltage protection, overcurrent protection, and thermal shutdown, ensuring safe operation of the power supply.
Q9: Can I adjust the switching frequency of LTC7801HFE#PBF? A9: Yes, LTC7801HFE#PBF allows adjustable switching frequency, enabling optimization for different applications and operating conditions.
Q10: Is there any evaluation board available for LTC7801HFE#PBF? A10: Yes, Analog Devices provides an evaluation board (DC2594A) for LTC7801HFE#PBF, which can help users quickly prototype and evaluate their power supply designs.
Please note that these answers are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.