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LT3474EFE-1#PBF
Product Overview
Category
The LT3474EFE-1#PBF 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 voltage regulation
- Wide input voltage range
- Adjustable output voltage
- Low quiescent current
- Overcurrent protection
- Thermal shutdown protection
Package
The LT3474EFE-1#PBF is available in a small form factor package, such as a 16-pin TSSOP (Thin Shrink Small Outline Package).
Essence
The essence of LT3474EFE-1#PBF lies in its ability to provide efficient and reliable power management solutions for a wide range of applications.
Packaging/Quantity
Typically, the LT3474EFE-1#PBF is supplied in reels or tubes, with a quantity of 250 units per reel/tube.
Specifications
- Input Voltage Range: 2.5V to 36V
- Output Voltage Range: 0.8V to VIN
- Maximum Output Current: 3A
- Switching Frequency: Up to 1MHz
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
The LT3474EFE-1#PBF features a 16-pin TSSOP package with the following pin configuration:
- VIN: Input Voltage
- GND: Ground
- SW: Switch Node Connection
- FB: Feedback Pin
- SS: Soft-Start Capacitor Connection
- VCC: Supply Voltage for Internal Circuitry
- SYNC: Synchronization Input
- RT: Oscillator Timing Resistor
- CT: Oscillator Timing Capacitor
- VOUT: Output Voltage
- PGND: Power Ground
- EN: Enable Pin
- SS/TRK: Soft-Start/Tracking Pin
- COMP: Compensation Node
- BST: Bootstrap Capacitor Connection
- LX: Inductor Connection
Functional Features
- High efficiency voltage regulation through a synchronous buck converter topology.
- Wide input voltage range allows for versatile applications.
- Adjustable output voltage enables customization according to specific requirements.
- Low quiescent current minimizes power consumption during standby or idle states.
- Overcurrent protection safeguards the IC and connected components from excessive currents.
- Thermal shutdown protection prevents overheating and potential damage.
Advantages and Disadvantages
Advantages
- High efficiency power management solution.
- Wide input voltage range provides flexibility in various applications.
- Adjustable output voltage allows for customization.
- Comprehensive protection features enhance reliability and durability.
Disadvantages
- Limited maximum output current of 3A may not be suitable for high-power applications.
- Requires external components for proper operation, increasing overall system complexity.
Working Principles
The LT3474EFE-1#PBF operates as a synchronous buck converter, converting a higher input voltage to a lower output voltage efficiently. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage based on feedback from the FB pin. The internal control circuitry adjusts the duty cycle of the switching transistor to maintain the desired output voltage. Additional features like soft-start and overcurrent protection ensure stable and safe operation.
Detailed Application Field Plans
The LT3474EFE-1#PBF finds application in various fields, including but not limited to: - Portable electronic devices - Battery-powered systems - Industrial automation - Automotive electronics - LED lighting systems
Detailed and Complete Alternative Models
- LT3474EFE#PBF
- LT3474IFE#PBF
- LT3474HFE#PBF
- LT3474MPFE#PBF
These alternative models offer similar functionality and characteristics, providing options for different design requirements.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LT3474EFE-1#PBF v technických řešeních
Sure! Here are 10 common questions and answers related to the application of LT3474EFE-1#PBF in technical solutions:
Q1: What is the LT3474EFE-1#PBF? A1: The LT3474EFE-1#PBF is a high-efficiency, monolithic synchronous buck regulator designed for applications requiring high output current.
Q2: What is the input voltage range of the LT3474EFE-1#PBF? A2: The input voltage range of the LT3474EFE-1#PBF is typically between 3V and 36V.
Q3: What is the maximum output current of the LT3474EFE-1#PBF? A3: The LT3474EFE-1#PBF can deliver a maximum output current of 3A.
Q4: Can the LT3474EFE-1#PBF operate in a wide temperature range? A4: Yes, the LT3474EFE-1#PBF is designed to operate in a temperature range of -40°C to 125°C.
Q5: Does the LT3474EFE-1#PBF require an external compensation network? A5: No, the LT3474EFE-1#PBF has internal compensation, eliminating the need for an external compensation network.
Q6: What is the switching frequency of the LT3474EFE-1#PBF? A6: The LT3474EFE-1#PBF operates at a fixed switching frequency of 500kHz.
Q7: Can the LT3474EFE-1#PBF be used in battery-powered applications? A7: Yes, the LT3474EFE-1#PBF is suitable for battery-powered applications as it has a low shutdown current of 1µA.
Q8: Does the LT3474EFE-1#PBF have built-in protection features? A8: Yes, the LT3474EFE-1#PBF includes features like overvoltage protection, thermal shutdown, and current limit protection.
Q9: Can the LT3474EFE-1#PBF be used in automotive applications? A9: Yes, the LT3474EFE-1#PBF is automotive qualified and can be used in automotive applications.
Q10: What package does the LT3474EFE-1#PBF come in? A10: The LT3474EFE-1#PBF is available in a 16-lead TSSOP package.
Please note that these answers are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.