LT8391EFE#PBF
Product Overview
Category: Integrated Circuit (IC)
Use: Power Management
Characteristics: - High efficiency - Wide input voltage range - Adjustable output voltage - Compact package size
Package: 16-Lead TSSOP
Essence: The LT8391EFE#PBF is a versatile power management IC designed for various applications requiring efficient power conversion.
Packaging/Quantity: Available in tape and reel packaging, with a quantity of 250 units per reel.
Specifications
- Input Voltage Range: 4V to 60V
- Output Voltage Range: 0.8V to 60V
- Maximum Switching Frequency: 2MHz
- Operating Temperature Range: -40°C to 125°C
- Efficiency: Up to 95%
- Quiescent Current: 50µA
Detailed Pin Configuration
The LT8391EFE#PBF has a 16-lead TSSOP package with the following pin configuration:
- VIN: Input voltage
- GND: Ground
- SW: Switch node connection
- FB: Feedback pin for output voltage regulation
- VCC: Supply voltage for internal circuitry
- COMP: Compensation pin for loop stability
- SS: Soft-start pin for controlling startup behavior
- RT: External resistor connected to set switching frequency
- SYNC: Synchronization pin for external clock input
- EN/UVLO: Enable/Undervoltage lockout control pin
- MODE: Mode selection pin for different operating modes
- PGND: Power ground
- ITH: Current sense threshold setting pin
- LX: Inductor connection
- VOUT: Output voltage
- NC: No connection
Functional Features
- Wide input voltage range allows for versatile applications
- High efficiency enables energy-saving operation
- Adjustable output voltage provides flexibility in power conversion
- Internal compensation simplifies design and improves stability
- Synchronization capability for multi-phase operation
- Soft-start feature prevents excessive inrush current during startup
- Enable/Undervoltage lockout control ensures safe operation
Advantages and Disadvantages
Advantages: - High efficiency results in reduced power consumption - Wide input voltage range accommodates various power sources - Compact package size saves board space - Versatile functionality suitable for different applications
Disadvantages: - Limited maximum switching frequency compared to some other ICs - Requires external components for certain features
Working Principles
The LT8391EFE#PBF operates as a synchronous buck-boost DC/DC converter. It utilizes a high-performance controller to regulate the output voltage efficiently. The IC employs a constant frequency, current mode architecture to ensure stable and reliable operation across a wide input voltage range.
Detailed Application Field Plans
The LT8391EFE#PBF can be used in various applications, including but not limited to: - Battery-powered systems - Automotive electronics - Industrial equipment - LED lighting - Telecom infrastructure
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the LT8391EFE#PBF are: - LT8390: Similar specifications with a different pin configuration - LT8392: Higher maximum switching frequency and additional features - LT8393: Lower quiescent current and wider input voltage range
These alternative models provide options for designers based on specific requirements and constraints.
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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät LT8391EFE#PBF :n soveltamiseen teknisissä ratkaisuissa
Sure! Here are 10 common questions and answers related to the application of LT8391EFE#PBF in technical solutions:
Q1: What is LT8391EFE#PBF? A1: LT8391EFE#PBF is a specific model number for a power management IC (integrated circuit) manufactured by Linear Technology (now part of Analog Devices). It is designed for various applications in power electronics.
Q2: What are the key features of LT8391EFE#PBF? A2: Some key features of LT8391EFE#PBF include high efficiency, wide input voltage range, synchronous rectification, adjustable frequency, and multiple protection features.
Q3: What are the typical applications of LT8391EFE#PBF? A3: LT8391EFE#PBF can be used in various applications such as LED lighting, automotive systems, industrial automation, telecommunications, and renewable energy systems.
Q4: What is the maximum input voltage supported by LT8391EFE#PBF? A4: The maximum input voltage supported by LT8391EFE#PBF is typically around 100V, but it may vary depending on the specific datasheet and operating conditions.
Q5: Can LT8391EFE#PBF operate with both AC and DC inputs? A5: Yes, LT8391EFE#PBF can operate with both AC and DC inputs, making it suitable for a wide range of power supply applications.
Q6: Does LT8391EFE#PBF have built-in protection features? A6: Yes, LT8391EFE#PBF has built-in protection features such as overvoltage protection, overcurrent protection, and thermal shutdown to ensure safe operation.
Q7: How can I adjust the output voltage of LT8391EFE#PBF? A7: The output voltage of LT8391EFE#PBF can be adjusted using an external resistor divider network connected to the feedback pin.
Q8: Can LT8391EFE#PBF support dimming control for LED lighting applications? A8: Yes, LT8391EFE#PBF supports various dimming control methods such as analog dimming, PWM dimming, and frequency synchronization for LED lighting applications.
Q9: Is LT8391EFE#PBF available in different package options? A9: Yes, LT8391EFE#PBF is available in different package options such as the 16-lead TSSOP and 4mm x 4mm QFN, providing flexibility for different PCB layouts.
Q10: Where can I find more information about LT8391EFE#PBF? A10: You can find more detailed information about LT8391EFE#PBF, including datasheets, application notes, and technical support, on the Analog Devices website or by contacting their customer support.