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LT3478EFE
Product Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Regulator
- Characteristics: High efficiency, wide input voltage range, compact package
- Package: 16-pin TSSOP
- Essence: Regulating voltage for various electronic applications
- Packaging/Quantity: Tape & Reel, 2500 units per reel
Specifications
- Input Voltage Range: 2.8V to 36V
- Output Voltage Range: Adjustable from 1.25V to 34V
- Switching Frequency: Up to 2.25MHz
- Operating Temperature Range: -40°C to 125°C
- Efficiency: Up to 95%
Detailed Pin Configuration
- VIN: Input Voltage
- SW: Switch Node
- FB: Feedback Input
- GND: Ground
- SS/TR: Soft-Start/Tracking
- RT/CLK: Oscillator Timing Resistor/Clock Synchronization
- SYNC/MODE: Synchronization/Input Mode Control
- VCC: Supply Voltage
- PGND: Power Ground
- AGND: Analog Ground
- COMP: Error Amplifier Output
- SS/TR: Soft-Start/Tracking
- RT/CLK: Oscillator Timing Resistor/Clock Synchronization
- SYNC/MODE: Synchronization/Input Mode Control
- VOUT: Output Voltage
- EN/UVLO: Enable/Undervoltage Lockout
Functional Features
- Wide input voltage range for versatile applications
- High efficiency for power conservation
- Adjustable output voltage for flexibility
- Synchronization and input mode control for system integration
- Soft-start/tracking for controlled start-up
Advantages and Disadvantages
Advantages
- High efficiency leads to energy savings
- Wide input voltage range allows for diverse applications
- Compact package saves board space
- Adjustable output voltage provides flexibility
Disadvantages
- Higher switching frequency may introduce EMI concerns
- Requires careful consideration of external components for optimal performance
Working Principles
The LT3478EFE is a high voltage monolithic switching regulator that can be used to step up, step down, or invert voltages with ease. It utilizes a fixed frequency, current mode architecture to provide stable operation over a wide range of supply voltages.
Detailed Application Field Plans
The LT3478EFE is well-suited for a variety of applications including: - LED lighting - Industrial power supplies - Automotive systems - Battery-powered equipment - Telecom infrastructure
Detailed and Complete Alternative Models
- LT3478EUFD
- LT3478IUFD
- LT3478EFE#PBF
- LT3478IUFD#PBF
In conclusion, the LT3478EFE is a versatile and efficient voltage regulator suitable for a wide range of applications. Its high efficiency, wide input voltage range, and compact package make it an attractive choice for designers seeking reliable power regulation solutions.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng LT3478EFE trong giải pháp kỹ thuật
What is the input voltage range of LT3478EFE?
- The input voltage range of LT3478EFE is 2.8V to 36V.
What is the maximum output current of LT3478EFE?
- The maximum output current of LT3478EFE is 2A.
Can LT3478EFE be used in automotive applications?
- Yes, LT3478EFE can be used in automotive applications due to its wide input voltage range and robust design.
What is the switching frequency of LT3478EFE?
- The switching frequency of LT3478EFE is programmable from 200kHz to 2MHz.
Does LT3478EFE have built-in overcurrent protection?
- Yes, LT3478EFE has built-in overcurrent protection to safeguard the circuit and load.
Is LT3478EFE suitable for LED driver applications?
- Yes, LT3478EFE is commonly used as an LED driver due to its high efficiency and adjustable output voltage.
What type of package does LT3478EFE come in?
- LT3478EFE comes in a 16-lead TSSOP package.
Can LT3478EFE operate in a wide temperature range?
- Yes, LT3478EFE can operate in a wide temperature range from -40°C to 125°C.
Does LT3478EFE require an external compensation network?
- No, LT3478EFE has internal compensation, simplifying the design and reducing external components.
Is LT3478EFE suitable for battery charging applications?
- Yes, LT3478EFE is commonly used for battery charging applications due to its wide input voltage range and adjustable output voltage.