LT3825EFE#TRPBF
Product Overview
Category
LT3825EFE#TRPBF belongs to the category of integrated circuits (ICs).
Use
The LT3825EFE#TRPBF IC is commonly used in power management applications.
Characteristics
- The LT3825EFE#TRPBF is a high voltage synchronous step-down DC/DC converter.
- It operates with an input voltage range of 4.5V to 100V.
- The output voltage can be adjusted from 0.8V to 60V.
- It has a maximum switching frequency of 500kHz.
- This IC offers high efficiency and excellent load and line regulation.
Package
The LT3825EFE#TRPBF is available in a small form factor package, specifically a 16-pin TSSOP (Thin Shrink Small Outline Package).
Essence
The essence of LT3825EFE#TRPBF lies in its ability to efficiently convert high voltage inputs to lower voltage outputs, making it suitable for various power management applications.
Packaging/Quantity
The LT3825EFE#TRPBF is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.
Specifications
- Input Voltage Range: 4.5V to 100V
- Output Voltage Range: 0.8V to 60V
- Maximum Switching Frequency: 500kHz
- Operating Temperature Range: -40°C to 125°C
- Package Type: 16-pin TSSOP
Detailed Pin Configuration
- VIN: Input voltage pin
- GND: Ground pin
- FB: Feedback pin for output voltage regulation
- SYNC/SS: Synchronization or soft-start pin
- VCC: Supply voltage pin for internal control circuitry
- VCCSENSE: Supply voltage sense pin
- SW: Switching node pin
- SW: Switching node pin
- PGND: Power ground pin
- PGND: Power ground pin
- SS/TR: Soft-start or tracking pin
- COMP: Compensation pin for loop stability
- RT/CLKOUT: External resistor or clock output pin
- CLKIN: Clock input pin
- SYNC/SS: Synchronization or soft-start pin
- VCC: Supply voltage pin for internal control circuitry
Functional Features
- High voltage operation capability
- Synchronous rectification for improved efficiency
- Adjustable output voltage
- Wide input voltage range
- Overcurrent protection
- Thermal shutdown protection
- Soft-start and synchronization capabilities
Advantages and Disadvantages
Advantages
- High efficiency conversion
- Wide input voltage range
- Compact package size
- Comprehensive protection features
Disadvantages
- Limited maximum switching frequency
- Requires external components for operation
Working Principles
The LT3825EFE#TRPBF operates as a synchronous step-down DC/DC converter. It utilizes a high voltage input and efficiently converts it to a lower voltage output. The IC incorporates a switching regulator that controls the flow of current through an inductor, resulting in the desired output voltage. Synchronous rectification is employed to minimize power losses during the conversion process.
Detailed Application Field Plans
The LT3825EFE#TRPBF finds applications in various fields, including but not limited to: - Industrial power supplies - Automotive electronics - Telecommunications equipment - LED lighting systems - Battery charging circuits
Detailed and Complete Alternative Models
- LT3845A: Similar functionality with higher switching frequency capability.
- LT3799: Step-up/step-down converter with integrated boost and flyback controllers.
- LT8614: High efficiency synchronous buck regulator with wide input voltage range.
These alternative models offer similar features and can be considered as substitutes for the LT3825EFE#TRPBF in different applications.
In conclusion, the LT3825EFE#TRPBF is a high voltage synchronous step-down DC/DC converter IC that offers efficient power management capabilities. With its wide input voltage range, adjustable output voltage, and comprehensive protection features, it finds applications in various fields such as industrial power supplies, automotive electronics, and LED lighting systems. Alternative models like LT3845A, LT3799, and LT8614 provide additional options for similar functionality.
技術ソリューションにおける LT3825EFE#TRPBF 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 LT3825EFE#TRPBF in technical solutions:
Q: What is LT3825EFE#TRPBF? A: LT3825EFE#TRPBF is a specific model number for a power management integrated circuit (IC) manufactured by Linear Technology (now part of Analog Devices). It is commonly used in various technical solutions.
Q: What is the purpose of LT3825EFE#TRPBF? A: The LT3825EFE#TRPBF IC is designed to provide efficient power conversion and management capabilities, typically used in applications such as LED lighting, automotive electronics, and industrial control systems.
Q: What are the key features of LT3825EFE#TRPBF? A: Some key features of LT3825EFE#TRPBF include high efficiency, wide input voltage range, adjustable output voltage, current mode control, and built-in protection features like overvoltage and overcurrent protection.
Q: How does LT3825EFE#TRPBF achieve high efficiency? A: LT3825EFE#TRPBF utilizes advanced switching techniques, such as synchronous rectification and frequency dithering, to minimize power losses and maximize overall efficiency.
Q: Can LT3825EFE#TRPBF be used for dimming LED lights? A: Yes, LT3825EFE#TRPBF supports PWM (Pulse Width Modulation) dimming, making it suitable for controlling the brightness of LED lights in various applications.
Q: What is the maximum input voltage supported by LT3825EFE#TRPBF? A: LT3825EFE#TRPBF can handle input voltages ranging from 4.5V to 100V, making it suitable for a wide range of power supply applications.
Q: Is LT3825EFE#TRPBF capable of providing multiple output voltages? A: No, LT3825EFE#TRPBF is a single-output voltage regulator. If multiple output voltages are required, additional ICs or external components may be needed.
Q: Does LT3825EFE#TRPBF have built-in protection features? A: Yes, LT3825EFE#TRPBF includes various protection features like overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown to safeguard the circuitry and connected devices.
Q: Can LT3825EFE#TRPBF operate in harsh environments? A: LT3825EFE#TRPBF has a wide operating temperature range and is designed to withstand harsh environmental conditions, making it suitable for industrial and automotive applications.
Q: Are there any application notes or reference designs available for LT3825EFE#TRPBF? A: Yes, Analog Devices provides application notes, datasheets, and reference designs on their website that can help users understand and implement LT3825EFE#TRPBF in their technical solutions.
Please note that the answers provided here are general and may vary depending on specific requirements and use cases. It is always recommended to refer to the official documentation and consult with technical experts for accurate information.