LT3474IFE#PBF
Product Overview
Category
LT3474IFE#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 to efficiently regulate and control power supply voltages.
Characteristics
- High efficiency voltage regulation
- Wide input voltage range
- Adjustable output voltage
- Low quiescent current
- Over-temperature protection
- Short-circuit protection
Package
LT3474IFE#PBF is available in a small form factor, 16-lead plastic TSSOP package.
Essence
The essence of LT3474IFE#PBF lies in its ability to provide efficient and reliable power management solutions for a wide range of electronic devices.
Packaging/Quantity
This IC is typically sold in reels containing 2500 units per reel.
Specifications
- Input Voltage Range: 2.5V to 36V
- Output Voltage Range: 1.24V to 34V
- Maximum Switch Current: 1.25A
- Quiescent Current: 50µA
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
- VIN: Input voltage pin
- GND: Ground reference pin
- FB: Feedback pin for setting the output voltage
- SW: Switching node connection for external inductor
- VOUT: Output voltage pin
- EN: Enable pin for turning the IC on/off
- SS: Soft-start capacitor connection
- PGND: Power ground reference pin
- COMP: Compensation pin for stability optimization
- BST: Boost pin for driving an external NPN transistor
- RT: Timing resistor connection for switching frequency adjustment
- CT: Timing capacitor connection for switching frequency adjustment
- SS/TR: Soft-start/tracking pin for controlling the output voltage ramp-up time
- VCC: Supply voltage pin for internal control circuitry
- AGND: Analog ground reference pin
- PG: Power good indicator pin
Functional Features
- Wide input voltage range allows compatibility with various power sources.
- Adjustable output voltage enables flexibility in different applications.
- High efficiency voltage regulation minimizes power loss and heat dissipation.
- Over-temperature protection ensures safe operation under extreme conditions.
- Short-circuit protection prevents damage to the IC and connected devices.
Advantages and Disadvantages
Advantages
- Efficient power management solution
- Wide input voltage range
- Adjustable output voltage
- Comprehensive protection features
Disadvantages
- Limited maximum switch current (1.25A)
Working Principles
LT3474IFE#PBF operates as a step-down switching regulator, 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.
Detailed Application Field Plans
LT3474IFE#PBF finds applications in various fields, including but not limited to: - Portable electronic devices - Automotive electronics - Industrial equipment - LED lighting systems - Battery-powered systems
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to LT3474IFE#PBF are: - LT3474EFE#PBF - LT3474IFE#TRPBF - LT3474EFE#TRPBF - LT3474IFE#PBF-ND - LT3474EFE#PBF-ND
These alternative models provide options for different package types, quantities, and sourcing options.
In conclusion, LT3474IFE#PBF is a versatile integrated circuit designed for efficient power management applications. With its wide input voltage range, adjustable output voltage, and comprehensive protection features, it offers reliable performance in various electronic devices across different industries.
기술 솔루션에 LT3474IFE#PBF 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
Sure! Here are 10 common questions and answers related to the application of LT3474IFE#PBF in technical solutions:
Q: What is the LT3474IFE#PBF? A: The LT3474IFE#PBF is a high-efficiency, low quiescent current buck-boost DC/DC converter.
Q: What is the input voltage range of the LT3474IFE#PBF? A: The input voltage range of the LT3474IFE#PBF is typically between 2.5V and 16V.
Q: What is the output voltage range of the LT3474IFE#PBF? A: The output voltage range of the LT3474IFE#PBF can be adjusted from 2.5V to 16V.
Q: What is the maximum output current of the LT3474IFE#PBF? A: The LT3474IFE#PBF can deliver a maximum output current of up to 2A.
Q: Can the LT3474IFE#PBF operate in both buck and boost modes? A: Yes, the LT3474IFE#PBF can operate in both buck and boost modes, allowing it to step up or step down the input voltage.
Q: Is the LT3474IFE#PBF suitable for battery-powered applications? A: Yes, the LT3474IFE#PBF is well-suited for battery-powered applications due to its low quiescent current and high efficiency.
Q: Does the LT3474IFE#PBF have built-in protection features? A: Yes, the LT3474IFE#PBF includes features like overcurrent protection, thermal shutdown, and undervoltage lockout.
Q: Can the LT3474IFE#PBF be used in automotive applications? A: Yes, the LT3474IFE#PBF is automotive qualified and can be used in various automotive applications.
Q: What is the switching frequency of the LT3474IFE#PBF? A: The LT3474IFE#PBF has a fixed switching frequency of 1.2MHz.
Q: Are there any evaluation boards or reference designs available for the LT3474IFE#PBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs to help with the implementation of the LT3474IFE#PBF in different applications.
Please note that the answers provided here are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult with technical experts for detailed information.