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LT3479EDE#PBF
Product Overview
Category
LT3479EDE#PBF belongs to the category of integrated circuits (ICs).
Use
The LT3479EDE#PBF is commonly used as a step-up DC/DC converter.
Characteristics
- Step-up voltage conversion
- High efficiency
- Wide input voltage range
- Adjustable output voltage
- Low quiescent current
- Overvoltage protection
- Thermal shutdown protection
Package
LT3479EDE#PBF is available in a 12-pin DFN package.
Essence
The essence of LT3479EDE#PBF lies in its ability to efficiently convert low input voltages to higher output voltages, making it suitable for various applications.
Packaging/Quantity
LT3479EDE#PBF is typically packaged in reels and comes in quantities of 2500 units per reel.
Specifications
- Input Voltage Range: 2.5V to 16V
- Output Voltage Range: Up to 34V
- Switching Frequency: 1MHz
- Quiescent Current: 40μA
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
- VIN: Input voltage pin
- SW: Switch node connection
- GND: Ground reference
- FB: Feedback pin for output voltage regulation
- VOUT: Output voltage pin
- SS/TR: Soft-start/tracking pin
- RT: External resistor connected to set switching frequency
- SYNC: Synchronization pin for external clock
- EN: Enable pin for turning on/off the device
- PGND: Power ground reference
- BST: Boost capacitor connection
- COMP: Compensation pin for stability control
Functional Features
- Step-up voltage conversion: Converts low input voltages to higher output voltages.
- High efficiency: Provides efficient power conversion with minimal energy loss.
- Wide input voltage range: Accepts a wide range of input voltages for versatile applications.
- Adjustable output voltage: Allows the user to set the desired output voltage.
- Low quiescent current: Consumes minimal current when not actively switching.
- Overvoltage protection: Safeguards against excessive output voltage.
- Thermal shutdown protection: Prevents overheating and damage to the device.
Advantages and Disadvantages
Advantages
- Efficient voltage conversion
- Wide input voltage range
- Adjustable output voltage
- Low quiescent current
- Overvoltage and thermal protection
Disadvantages
- Limited maximum output voltage (up to 34V)
- Requires external components for operation
Working Principles
LT3479EDE#PBF operates as a step-up DC/DC converter using a boost topology. It utilizes an internal switch to control the energy transfer from the input to the output. When the switch is closed, energy is stored in the inductor. When the switch opens, the stored energy is released to the output through the diode. This process allows for voltage stepping up while maintaining high efficiency.
Detailed Application Field Plans
LT3479EDE#PBF finds applications in various fields, including but not limited to: - Battery-powered devices - Portable electronics - LED lighting systems - Automotive electronics - Industrial equipment
Detailed and Complete Alternative Models
- LT3479EFE#PBF
- LT3479IDE#PBF
- LT3479IFE#PBF
- LT3479MPFE#PBF
- LT3479MPFE#TRPBF
These alternative models offer similar functionality and characteristics to LT3479EDE#PBF, providing options for different package types or quantity requirements.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng LT3479EDE#PBF trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of LT3479EDE#PBF in technical solutions:
Q: What is the LT3479EDE#PBF? A: The LT3479EDE#PBF is a high-efficiency, low quiescent current buck-boost DC/DC converter.
Q: What is the input voltage range of the LT3479EDE#PBF? A: The input voltage range of the LT3479EDE#PBF is from 2.5V to 16V.
Q: What is the output voltage range of the LT3479EDE#PBF? A: The output voltage range of the LT3479EDE#PBF is from 2.5V to 16V.
Q: Can the LT3479EDE#PBF be used as a step-up (boost) converter? A: Yes, the LT3479EDE#PBF can be used as both a step-up (boost) and step-down (buck) converter.
Q: What is the maximum output current of the LT3479EDE#PBF? A: The maximum output current of the LT3479EDE#PBF is typically 1A.
Q: Does the LT3479EDE#PBF have built-in protection features? A: Yes, the LT3479EDE#PBF has built-in features like overvoltage protection, undervoltage lockout, and thermal shutdown.
Q: Can the LT3479EDE#PBF operate in a wide temperature range? A: Yes, the LT3479EDE#PBF can operate in a temperature range from -40°C to 125°C.
Q: What is the efficiency of the LT3479EDE#PBF? A: The efficiency of the LT3479EDE#PBF can reach up to 95% depending on the input and output voltage conditions.
Q: Can the LT3479EDE#PBF be used in battery-powered applications? A: Yes, the LT3479EDE#PBF is suitable for battery-powered applications due to its low quiescent current and high efficiency.
Q: Are there any application notes or reference designs available for the LT3479EDE#PBF? A: Yes, Linear Technology (now part of Analog Devices) provides application notes and reference designs for the LT3479EDE#PBF on their website.