LTC3808EDE
Product Overview
Category
LTC3808EDE belongs to the category of integrated circuits (ICs) specifically designed for power management applications.
Use
This IC is commonly used in various electronic devices and systems to regulate and control power supply voltages efficiently.
Characteristics
- High efficiency power conversion
- Wide input voltage range
- Adjustable output voltage
- Low quiescent current
- Overcurrent protection
- Thermal shutdown protection
Package
LTC3808EDE is available in a small outline package (SOIC) with 16 pins.
Essence
The essence of LTC3808EDE lies in its ability to provide efficient power management solutions, ensuring stable and reliable power supply in electronic devices.
Packaging/Quantity
LTC3808EDE is typically packaged in reels or tubes, containing a quantity of 250 units per package.
Specifications
- Input Voltage Range: 4.5V to 36V
- Output Voltage Range: 0.8V to VIN
- Maximum Switching Frequency: 500kHz
- Quiescent Current: 100µA
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
- VCC: Power supply input
- GND: Ground reference
- FB: Feedback pin for output voltage regulation
- COMP: Compensation pin for loop stability
- SS/TR: Soft-start and tracking control
- SYNC: Synchronization input for multiple ICs
- RT/CLK: External resistor or clock input for frequency control
- PGND: Power ground reference
- SW: Switch node connection for external inductor
- BOOT: Bootstrap capacitor connection
- SS/TR: Soft-start and tracking control
- SYNC: Synchronization input for multiple ICs
- RT/CLK: External resistor or clock input for frequency control
- PGND: Power ground reference
- SW: Switch node connection for external inductor
- BOOT: Bootstrap capacitor connection
Functional Features
- Constant voltage (CV) and constant current (CC) regulation modes
- Adjustable soft-start time
- Frequency synchronization capability
- Overcurrent protection with adjustable threshold
- Thermal shutdown protection to prevent overheating
Advantages and Disadvantages
Advantages
- High efficiency power conversion
- Wide input voltage range allows versatility in applications
- Adjustable output voltage provides flexibility
- Low quiescent current minimizes power consumption
- Comprehensive protection features enhance reliability
Disadvantages
- Limited maximum switching frequency may not be suitable for certain high-frequency applications
- Requires external components for operation, increasing complexity
Working Principles
LTC3808EDE operates on the principle of pulse width modulation (PWM) to regulate the output voltage. It uses an internal oscillator to generate a fixed frequency signal, which controls the switching of the power MOSFET. By adjusting the duty cycle of the PWM signal, the average output voltage is regulated.
Detailed Application Field Plans
LTC3808EDE finds extensive application in various fields, including but not limited to: - Power supplies for industrial equipment - Automotive electronics - Telecommunications systems - Battery charging circuits - LED lighting systems
Detailed and Complete Alternative Models
- LTC3808EFE: Similar to LTC3808EDE, but available in a different package (TSSOP)
- LTC3808EMSE: Similar to LTC3808EDE, but available in a different package (MSOP)
- LTC3808EGN: Similar to LTC3808EDE, but available in a different package (SSOP)
These alternative models offer similar functionality and characteristics, providing options for different PCB layout requirements.
In conclusion, LTC3808EDE is a versatile power management IC that offers high efficiency, wide input voltage range, and comprehensive protection features. Its compact package and adjustable parameters make it suitable for various applications in different industries.
기술 솔루션에 LTC3808EDE 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
Sure! Here are 10 common questions and answers related to the application of LTC3808EDE in technical solutions:
Q: What is LTC3808EDE? A: LTC3808EDE is a synchronous step-down DC/DC controller IC manufactured by Linear Technology (now part of Analog Devices). It is commonly used in power management applications.
Q: What is the input voltage range supported by LTC3808EDE? A: The input voltage range supported by LTC3808EDE is typically between 4.5V and 38V.
Q: What is the output voltage range that can be achieved using LTC3808EDE? A: The output voltage range achievable with LTC3808EDE depends on the external components used, but it can typically support output voltages as low as 0.6V.
Q: Can LTC3808EDE handle high current loads? A: Yes, LTC3808EDE can handle high current loads. It has a built-in N-channel MOSFET driver that can support high currents.
Q: Is LTC3808EDE suitable for battery-powered applications? A: Yes, LTC3808EDE is suitable for battery-powered applications. It has a low quiescent current and supports efficient power conversion, making it ideal for extending battery life.
Q: Does LTC3808EDE have any protection features? A: Yes, LTC3808EDE has various protection features such as overvoltage protection, undervoltage lockout, overcurrent protection, and thermal shutdown.
Q: Can LTC3808EDE operate in a wide temperature range? A: Yes, LTC3808EDE can operate in a wide temperature range. It is designed to work reliably in environments ranging from -40°C to 125°C.
Q: Can LTC3808EDE be used in automotive applications? A: Yes, LTC3808EDE is suitable for automotive applications. It meets the necessary automotive standards and can handle the voltage fluctuations commonly found in automotive systems.
Q: What type of control does LTC3808EDE use? A: LTC3808EDE uses voltage mode control, which provides stable regulation and good transient response.
Q: Are there any evaluation boards or reference designs available for LTC3808EDE? A: Yes, Analog Devices provides evaluation boards and reference designs for LTC3808EDE, which can help users quickly prototype and implement their power management solutions.
Please note that the answers provided here 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.