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LTC3454EDD#PBF
Product Overview
Category: Integrated Circuit (IC)
Use: Power Management IC
Characteristics: - High efficiency step-down DC/DC converter - Wide input voltage range - Adjustable output voltage - Low quiescent current - Small package size
Package: DFN-10
Essence: The LTC3454EDD#PBF is a power management IC that provides high efficiency step-down DC/DC conversion. It is designed to operate with a wide input voltage range and offers an adjustable output voltage. The low quiescent current makes it suitable for battery-powered applications. The small DFN-10 package allows for space-saving designs.
Packaging/Quantity: The LTC3454EDD#PBF is available in tape and reel packaging. The quantity per reel is typically 2500 pieces.
Specifications
- Input Voltage Range: 2.5V to 18V
- Output Voltage Range: 0.6V to VIN
- Maximum Output Current: 500mA
- Switching Frequency: 1MHz
- Quiescent Current: 40µA
- Operating Temperature Range: -40°C to 85°C
Detailed Pin Configuration
The LTC3454EDD#PBF has the following pin configuration:
- VIN: Input Voltage
- SW: Switch Node
- GND: Ground
- FB: Feedback Voltage
- EN: Enable Pin
- SS: Soft-Start Capacitor
- VOUT: Output Voltage
- PGND: Power Ground
- LX: Inductor Connection
- BST: Boost Capacitor Connection
Functional Features
- High efficiency step-down DC/DC conversion
- Adjustable output voltage
- Low quiescent current for battery-powered applications
- Soft-start function for controlled startup
- Overcurrent and overtemperature protection
Advantages and Disadvantages
Advantages: - High efficiency conversion - Wide input voltage range - Adjustable output voltage - Low quiescent current - Small package size
Disadvantages: - Maximum output current limited to 500mA
Working Principles
The LTC3454EDD#PBF is a step-down DC/DC converter that uses a high-frequency switching regulator to efficiently convert the input voltage to a lower output voltage. It employs a synchronous rectification topology to minimize power losses. The adjustable output voltage allows for flexibility in various applications.
The IC operates by controlling the duty cycle of the internal switches based on the feedback voltage. The soft-start function ensures a controlled startup, preventing excessive inrush current. Overcurrent and overtemperature protection mechanisms safeguard the IC and connected components from damage.
Detailed Application Field Plans
The LTC3454EDD#PBF is suitable for a wide range of applications, including but not limited to: - Battery-powered devices - Portable electronics - Industrial equipment - Automotive systems - Communication devices
Its ability to operate with a wide input voltage range and provide an adjustable output voltage makes it versatile for different power management requirements.
Detailed and Complete Alternative Models
- LTC3454ES6#TRMPBF: SOT-23 package, 6-pin configuration
- LTC3454EDD#TRPBF: DFN-10 package, tape and reel packaging
- LTC3454ES6#PBF: SOT-23 package, bulk packaging
- LTC3454EDD#TRMPBF: DFN-10 package, tape and reel packaging, moisture sensitivity level 1
These alternative models offer similar functionality and characteristics to the LTC3454EDD#PBF, providing options for different package preferences and packaging quantities.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng LTC3454EDD#PBF trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of LTC3454EDD#PBF in technical solutions:
Q: What is LTC3454EDD#PBF? A: LTC3454EDD#PBF is a specific model number of a power management integrated circuit (PMIC) manufactured by Linear Technology (now part of Analog Devices). It is designed for use in various technical solutions.
Q: What are the key features of LTC3454EDD#PBF? A: Some key features of LTC3454EDD#PBF include high efficiency step-up DC/DC converter, low quiescent current, adjustable output voltage, and thermal shutdown protection.
Q: What is the input voltage range supported by LTC3454EDD#PBF? A: LTC3454EDD#PBF supports an input voltage range of 2.5V to 16V.
Q: What is the maximum output current that LTC3454EDD#PBF can provide? A: The maximum output current provided by LTC3454EDD#PBF is typically around 500mA.
Q: Can LTC3454EDD#PBF be used for battery charging applications? A: Yes, LTC3454EDD#PBF can be used for battery charging applications as it has a built-in charge pump for Li-Ion/Polymer battery charging.
Q: Is LTC3454EDD#PBF suitable for low-power IoT devices? A: Yes, LTC3454EDD#PBF is suitable for low-power IoT devices due to its low quiescent current and high efficiency.
Q: Does LTC3454EDD#PBF have any protection features? A: Yes, LTC3454EDD#PBF has built-in protection features such as thermal shutdown and current limit protection.
Q: Can LTC3454EDD#PBF be used in automotive applications? A: Yes, LTC3454EDD#PBF is suitable for automotive applications as it can operate over a wide temperature range and has automotive-grade reliability.
Q: What are the typical applications of LTC3454EDD#PBF? A: Some typical applications of LTC3454EDD#PBF include battery-powered devices, portable electronics, IoT devices, and automotive systems.
Q: Where can I find more information about LTC3454EDD#PBF? A: You can find more detailed information about LTC3454EDD#PBF in the datasheet provided by Analog Devices or by visiting their official website.