LT3479EFE#PBF
Product Overview
Category
LT3479EFE#PBF belongs to the category of integrated circuits (ICs).
Use
This IC is primarily used for power management applications.
Characteristics
- High efficiency voltage converter
- Wide input voltage range
- Adjustable output voltage
- Low quiescent current
- Over-temperature protection
- Small package size
Package
LT3479EFE#PBF is available in a small 16-pin TSSOP package.
Essence
The essence of LT3479EFE#PBF lies in its ability to efficiently convert input voltage to an adjustable output voltage, making it suitable for various power management applications.
Packaging/Quantity
LT3479EFE#PBF is typically packaged in reels and comes in quantities of 2500 units per reel.
Specifications
- Input Voltage Range: 2.5V to 36V
- Output Voltage Range: 1.24V to 34V
- Switching Frequency: Up to 1MHz
- Quiescent Current: 50µA
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
- VIN: Input voltage pin
- SW: Switching node connection
- GND: Ground reference
- FB: Feedback pin for output voltage regulation
- VCC: Supply voltage for internal circuitry
- SS/TR: Soft-start/tracking control pin
- SYNC: Synchronization input for multiple devices
- RT: External resistor connected to set switching frequency
- AGND: Analog ground reference
- PGND: Power ground reference
- EN: Enable pin for device operation
- BST: Boost capacitor connection
- COMP: Compensation pin for stability control
- SS/TR: Soft-start/tracking control pin
- VOUT: Output voltage pin
- VCC: Supply voltage for internal circuitry
Functional Features
- High efficiency voltage conversion
- Adjustable output voltage for flexibility
- Over-temperature protection for device safety
- Synchronization capability for multiple devices
- Soft-start and tracking control for smooth operation
Advantages and Disadvantages
Advantages
- Wide input voltage range allows for versatile applications
- High efficiency results in reduced power loss
- Small package size saves board space
- Over-temperature protection ensures device reliability
Disadvantages
- Limited output voltage range may not suit all applications
- Synchronization feature may not be required in all scenarios
Working Principles
LT3479EFE#PBF operates as a step-up (boost) voltage converter. It uses an internal switch to regulate the output voltage based on the feedback received from the FB pin. The switching frequency can be set using an external resistor connected to the RT pin. The device also incorporates over-temperature protection to prevent damage during high temperature conditions.
Detailed Application Field Plans
LT3479EFE#PBF finds applications in various fields, including but not limited to: - Battery-powered devices - LED lighting systems - Industrial automation - Automotive electronics - Portable electronic devices
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to LT3479EFE#PBF are: - LT3479EFE#TRPBF - LT3479IFE#PBF - LT3479IFE#TRPBF - LT3479MPFE#PBF
These models provide comparable features and can be considered as alternatives depending on specific requirements.
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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi LT3479EFE#PBF dalam penyelesaian teknikal
Sure! Here are 10 common questions and answers related to the application of LT3479EFE#PBF in technical solutions:
Q: What is the LT3479EFE#PBF? A: The LT3479EFE#PBF is a high-efficiency, low quiescent current buck-boost DC/DC converter.
Q: What is the input voltage range of the LT3479EFE#PBF? A: The input voltage range is from 2.5V to 16V.
Q: What is the output voltage range of the LT3479EFE#PBF? A: The output voltage range is from 2.5V to 16V.
Q: What is the maximum output current of the LT3479EFE#PBF? A: The maximum output current is 2A.
Q: Can the LT3479EFE#PBF operate in both buck and boost modes? A: Yes, the LT3479EFE#PBF can operate in both buck and boost modes, allowing for flexible voltage regulation.
Q: Does the LT3479EFE#PBF have built-in protection features? A: Yes, the LT3479EFE#PBF has built-in features such as overvoltage protection, overcurrent protection, and thermal shutdown.
Q: What is the switching frequency of the LT3479EFE#PBF? A: The switching frequency is adjustable from 200kHz to 2MHz.
Q: Can the LT3479EFE#PBF be used in battery-powered applications? A: Yes, the LT3479EFE#PBF is suitable for battery-powered applications due to its low quiescent current and high efficiency.
Q: Is the LT3479EFE#PBF available in a small package? A: Yes, the LT3479EFE#PBF is available in a 16-lead TSSOP package, which is compact and suitable for space-constrained designs.
Q: What are some typical applications of the LT3479EFE#PBF? A: The LT3479EFE#PBF can be used in various applications such as LED lighting, portable devices, automotive systems, and industrial equipment.
Please note that the specific details and answers may vary depending on the datasheet and application requirements.