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LT3790EFE#PBF
Product Overview
Category
The LT3790EFE#PBF belongs to the category of integrated circuits (ICs).
Use
This IC is primarily used for power management applications.
Characteristics
- High efficiency voltage regulator
- Wide input voltage range
- Adjustable output voltage
- Current mode control
- Integrated power MOSFETs
- Thermal shutdown protection
Package
The LT3790EFE#PBF comes in a 28-pin plastic TSSOP package.
Essence
The essence of LT3790EFE#PBF lies in its ability to efficiently regulate voltage in various power management applications.
Packaging/Quantity
The IC is typically packaged in reels and available in quantities of 2500 units per reel.
Specifications
- Input Voltage Range: 4.5V to 60V
- Output Voltage Range: 0.8V to 55V
- Maximum Switching Frequency: 500kHz
- Operating Temperature Range: -40°C to 125°C
- Quiescent Current: 2.5mA
Detailed Pin Configuration
- VIN: Input voltage pin
- GND: Ground pin
- SS/TRK: Soft-start/tracking pin
- FB: Feedback pin
- COMP: Compensation pin
- VCC: Supply voltage pin
- SYNC/MODE: Synchronization/mode selection pin
- RT/CLKOUT: Resistor timing/clock output pin
- CLKIN: Clock input pin
- SW: Switch node pin
- PGND: Power ground pin
- ITH: Current sense threshold pin
- BST: Bootstrap pin
- LX: Inductor connection pin
- VREF: Reference voltage pin
- AGND: Analog ground pin
- SS/TRK: Soft-start/tracking pin
- FB: Feedback pin
- COMP: Compensation pin
- VCC: Supply voltage pin
- SYNC/MODE: Synchronization/mode selection pin
- RT/CLKOUT: Resistor timing/clock output pin
- CLKIN: Clock input pin
- SW: Switch node pin
- PGND: Power ground pin
- ITH: Current sense threshold pin
- BST: Bootstrap pin
- LX: Inductor connection pin
Functional Features
- Wide input voltage range allows for versatile applications
- Adjustable output voltage provides flexibility
- Current mode control ensures stable operation
- Integrated power MOSFETs simplify circuit design
- Thermal shutdown protection prevents overheating
Advantages and Disadvantages
Advantages
- High efficiency power regulation
- Wide input voltage range
- Compact package size
- Integrated power MOSFETs reduce external components
Disadvantages
- Limited maximum switching frequency
- Requires careful thermal management in high-power applications
Working Principles
The LT3790EFE#PBF operates on the principle of current mode control, where the output voltage is regulated by adjusting the duty cycle of the internal power switches. It utilizes a feedback mechanism to maintain the desired output voltage despite changes in input voltage or load conditions. The integrated power MOSFETs efficiently switch the current through the inductor, minimizing power losses.
Detailed Application Field Plans
The LT3790EFE#PBF finds applications in various fields, including: 1. Industrial power supplies 2. Automotive electronics 3. Renewable energy systems 4. Battery charging circuits 5. LED lighting systems
Detailed and Complete Alternative Models
- LT3790A: Similar functionality with enhanced features
- LT3790B: Higher switching frequency for faster response
- LT3790C: Improved thermal management capabilities
These alternative models offer similar functionality to the LT3790EFE#PBF but may have additional features or performance enhancements.
In conclusion, the LT3790EFE#PBF is a versatile integrated circuit used for power management applications. Its wide input voltage range, adjustable output voltage, and current mode control make it suitable for various industries. While it offers high efficiency and integrated power MOSFETs, careful thermal management is required in high-power applications. Alternative models such as LT3790A, LT3790B, and LT3790C provide further options with enhanced features.
Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LT3790EFE#PBF v technických řešeních
Sure! Here are 10 common questions and answers related to the application of LT3790EFE#PBF in technical solutions:
Q: What is the LT3790EFE#PBF? A: The LT3790EFE#PBF is a high-performance synchronous buck-boost DC/DC converter designed for various power supply applications.
Q: What is the input voltage range of the LT3790EFE#PBF? A: The input voltage range of the LT3790EFE#PBF is from 4.5V to 60V.
Q: What is the output voltage range of the LT3790EFE#PBF? A: The output voltage range of the LT3790EFE#PBF is from 0.8V to 60V.
Q: Can the LT3790EFE#PBF be used as a battery charger? A: Yes, the LT3790EFE#PBF can be used as a battery charger due to its buck-boost capability and built-in charging algorithms.
Q: What is the maximum output current of the LT3790EFE#PBF? A: The LT3790EFE#PBF can deliver a maximum output current of up to 6A.
Q: Does the LT3790EFE#PBF have any protection features? A: Yes, the LT3790EFE#PBF includes protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.
Q: Can the LT3790EFE#PBF operate in both step-up and step-down modes? A: Yes, the LT3790EFE#PBF can operate in both step-up (boost) and step-down (buck) modes, making it versatile for various applications.
Q: Is the LT3790EFE#PBF suitable for automotive applications? A: Yes, the LT3790EFE#PBF is suitable for automotive applications as it can handle the wide input voltage range required in automotive systems.
Q: Does the LT3790EFE#PBF have adjustable switching frequency? A: Yes, the LT3790EFE#PBF has an adjustable switching frequency ranging from 100kHz to 500kHz.
Q: What package does the LT3790EFE#PBF come in? A: The LT3790EFE#PBF comes in a 28-lead TSSOP package, which is compact and suitable for space-constrained designs.
Please note that these answers are general and may vary depending on specific application requirements.