LT3507AEUHF#PBF
Product Overview
Category: Integrated Circuit (IC)
Use: Power Management
Characteristics: - High efficiency - Low quiescent current - Wide input voltage range - Adjustable output voltage - Compact size
Package: QFN-24
Essence: The LT3507AEUHF#PBF is a high-efficiency, low quiescent current, step-down DC/DC converter designed for power management applications.
Packaging/Quantity: The LT3507AEUHF#PBF is available in a QFN-24 package. It is typically sold in reels of 2500 units.
Specifications
- Input Voltage Range: 2.5V to 45V
- Output Voltage Range: 0.8V to VIN
- Maximum Output Current: 1A
- Switching Frequency: 1MHz
- Quiescent Current: 20µA
- Operating Temperature Range: -40°C to 125°C
Pin Configuration
The LT3507AEUHF#PBF has a total of 24 pins. The pin configuration is as follows:
- VOUT
- SW
- GND
- FB
- SS
- SYNC
- RT
- VCC
- PGND
- EN
- VFB
- VSS
- VSW
- VSYNC
- VRT
- VSENSE
- AGND
- LX
- LX
- LX
- LX
- LX
- LX
- LX
Functional Features
- High efficiency synchronous rectification
- Adjustable output voltage through external resistors
- Soft-start and tracking capability
- Power good indicator
- Thermal shutdown protection
- Short-circuit protection
Advantages and Disadvantages
Advantages: - High efficiency operation reduces power dissipation - Wide input voltage range allows for versatile applications - Compact size enables space-constrained designs - Adjustable output voltage provides flexibility
Disadvantages: - Limited maximum output current (1A) - Requires external components for proper operation
Working Principles
The LT3507AEUHF#PBF is a step-down DC/DC converter that uses a synchronous rectification topology to achieve high efficiency. It operates by converting a higher input voltage to a lower output voltage, while regulating the output voltage within a specified range.
The IC utilizes a switching regulator architecture, where an internal switch controls the flow of current through an inductor. This switching action allows for efficient energy transfer from the input to the output, minimizing power losses.
By adjusting the feedback voltage through external resistors, the output voltage can be set to the desired level. The LT3507AEUHF#PBF also features soft-start and tracking capabilities, ensuring a controlled startup and synchronized operation with other power management components.
Detailed Application Field Plans
The LT3507AEUHF#PBF is suitable for various power management applications, including but not limited to: - Battery-powered devices - Industrial equipment - Automotive systems - Telecommunications infrastructure - Portable electronics
Its wide input voltage range, adjustable output voltage, and compact size make it versatile for different application scenarios.
Detailed and Complete Alternative Models
Some alternative models to the LT3507AEUHF#PBF that offer similar functionality and features include: - LT3507AEDD#PBF - LT3507AIDD#PBF - LT3507AEMSE#PBF - LT3507AIMSE#PBF
These models may have slight variations in package type, pin configuration, or operating temperature range, but they serve as suitable alternatives for different design requirements.
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技術ソリューションにおける LT3507AEUHF#PBF 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 LT3507AEUHF#PBF in technical solutions:
Q: What is the LT3507AEUHF#PBF? A: The LT3507AEUHF#PBF is a high-efficiency, synchronous buck-boost DC/DC converter designed for various power supply applications.
Q: What is the input voltage range of the LT3507AEUHF#PBF? A: The input voltage range of the LT3507AEUHF#PBF is typically between 2.5V and 16V.
Q: What is the output voltage range of the LT3507AEUHF#PBF? A: The output voltage range of the LT3507AEUHF#PBF can be adjusted from 1.8V to 30V.
Q: What is the maximum output current of the LT3507AEUHF#PBF? A: The LT3507AEUHF#PBF can deliver a maximum output current of up to 3A.
Q: Is the LT3507AEUHF#PBF suitable for battery-powered applications? A: Yes, the LT3507AEUHF#PBF is well-suited for battery-powered applications due to its wide input voltage range and high efficiency.
Q: Does the LT3507AEUHF#PBF require external components for operation? A: Yes, the LT3507AEUHF#PBF requires external components such as inductors, capacitors, and resistors for proper operation.
Q: Can the LT3507AEUHF#PBF operate in both buck and boost modes? A: Yes, the LT3507AEUHF#PBF is a buck-boost converter and can operate in both step-down (buck) and step-up (boost) modes.
Q: What is the efficiency of the LT3507AEUHF#PBF? A: The LT3507AEUHF#PBF has a high efficiency of up to 95%, making it suitable for power-sensitive applications.
Q: Does the LT3507AEUHF#PBF have built-in protection features? A: Yes, the LT3507AEUHF#PBF includes various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.
Q: Are there any application notes or reference designs available for the LT3507AEUHF#PBF? A: Yes, Linear Technology (now part of Analog Devices) provides application notes and reference designs that can help with the implementation of the LT3507AEUHF#PBF in different technical solutions.
Please note that the answers provided here are general and may vary depending on specific design considerations and requirements. It's always recommended to refer to the datasheet and relevant documentation for accurate information.