LT3763HFE#PBF
Product Overview
Category
LT3763HFE#PBF belongs to the category of integrated circuits (ICs).
Use
The LT3763HFE#PBF is primarily used as a high-performance step-down DC/DC controller.
Characteristics
- High efficiency
- Wide input voltage range
- Adjustable output voltage
- Current mode control
- Synchronization capability
- Fault protection features
Package
The LT3763HFE#PBF comes in a compact and robust 28-lead TSSOP package.
Essence
The essence of LT3763HFE#PBF lies in its ability to efficiently regulate and convert high input voltages to lower output voltages, making it suitable for various power supply applications.
Packaging/Quantity
The LT3763HFE#PBF is typically packaged in reels and available in quantities of 2500 units per reel.
Specifications
- Input Voltage Range: 4V to 60V
- Output Voltage Range: 0.6V to 55V
- Maximum Switching Frequency: 1MHz
- Operating Temperature Range: -40°C to 125°C
- Control Method: Current Mode
Detailed Pin Configuration
- VIN: Input voltage pin
- GND: Ground reference pin
- FB: Feedback pin for output voltage regulation
- COMP: Compensation pin for stability control
- SS: Soft-start pin for gradual startup
- SYNC: Synchronization pin for external clock synchronization
- VCC: Supply voltage pin for internal circuitry
- PGND: Power ground pin
- SW: Switch node pin for power transfer
- BST: Boost pin for higher voltage operation
- RT: Timing resistor pin for switching frequency adjustment
- SS/TRK: Soft-start/Tracking pin for startup control
- VREF: Reference voltage pin for regulation accuracy
- ITH: Current sense threshold pin
- SS/TRK: Soft-start/Tracking pin for startup control
- VSENSE: Current sense input pin
- VOUT: Output voltage pin
- VOUT: Output voltage pin
- VOUT: Output voltage pin
- VOUT: Output voltage pin
- VOUT: Output voltage pin
- VOUT: Output voltage pin
- VOUT: Output voltage pin
- VOUT: Output voltage pin
- VOUT: Output voltage pin
- VOUT: Output voltage pin
- VOUT: Output voltage pin
- VOUT: Output voltage pin
Functional Features
- High efficiency conversion
- Wide input voltage range flexibility
- Adjustable output voltage for versatile applications
- Current mode control for stable operation
- Synchronization capability for multi-phase operation
- Fault protection features including overvoltage and overcurrent protection
Advantages and Disadvantages
Advantages
- High efficiency results in reduced power loss
- Wide input voltage range allows for compatibility with various power sources
- Adjustable output voltage provides flexibility in system design
- Current mode control ensures stability and fast transient response
- Synchronization capability enables parallel operation for higher power delivery
- Fault protection features enhance system reliability
Disadvantages
- Limited maximum switching frequency may restrict certain high-frequency applications
- Requires external components for complete power supply implementation
Working Principles
The LT3763HFE#PBF operates on the principle of current mode control, where the output voltage is regulated by adjusting the duty cycle of the internal power switch. It utilizes a feedback mechanism to compare the actual output voltage with the desired value and adjusts the duty cycle accordingly to maintain regulation. The device also incorporates various protection features to safeguard against fault conditions.
Detailed Application Field Plans
The LT3763HFE#PBF finds applications in a wide range of fields, including but not limited to: - Industrial power supplies - Automotive electronics - Telecommunications equipment - LED lighting systems - Battery charging systems - Distributed power architectures
Detailed and Complete Alternative Models
- LT3763A: Similar functionality with additional features for enhanced performance.
- LT3764: Higher current handling capability with similar specifications.
- LT3765: Step-up/step-down DC/DC controller with extended input voltage range.
These alternative models provide options based on specific requirements and can be considered as alternatives to the LT3763HFE#PBF.
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기술 솔루션에 LT3763HFE#PBF 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
Sure! Here are 10 common questions and answers related to the application of LT3763HFE#PBF in technical solutions:
Q: What is LT3763HFE#PBF? A: LT3763HFE#PBF is a high-performance synchronous buck-boost DC/DC controller designed for various applications, including LED lighting, automotive, industrial, and telecom.
Q: What is the input voltage range supported by LT3763HFE#PBF? A: The input voltage range supported by LT3763HFE#PBF is from 4V to 60V.
Q: What is the output voltage range that can be achieved with LT3763HFE#PBF? A: LT3763HFE#PBF can achieve an output voltage range from 0V to 60V.
Q: Can LT3763HFE#PBF operate in both buck and boost modes? A: Yes, LT3763HFE#PBF can operate in both buck and boost modes, making it suitable for applications requiring voltage step-up or step-down.
Q: What is the maximum output current that LT3763HFE#PBF can handle? A: LT3763HFE#PBF can handle a maximum output current of up to 20A.
Q: Does LT3763HFE#PBF have any built-in protection features? A: Yes, LT3763HFE#PBF includes various protection features such as overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown.
Q: Can LT3763HFE#PBF be synchronized to an external clock? A: Yes, LT3763HFE#PBF can be synchronized to an external clock signal for applications requiring precise timing.
Q: What is the efficiency of LT3763HFE#PBF? A: LT3763HFE#PBF offers high efficiency, typically up to 95%, depending on the input and output voltage conditions.
Q: Is LT3763HFE#PBF suitable for automotive applications? A: Yes, LT3763HFE#PBF is suitable for automotive applications as it can handle the wide input voltage range required in automotive systems.
Q: Are there any evaluation boards or reference designs available for LT3763HFE#PBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs for LT3763HFE#PBF, which can help users get started with their specific applications.
Please note that the answers provided here are general and may vary based on specific application requirements and datasheet specifications.