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LT8390AEUFD#TRPBF
Product Overview
- Category: Voltage Regulator
- Use: Step-down DC/DC converter
- Characteristics: High efficiency, wide input voltage range, compact package
- Package: 4mm x 6mm QFN-38
- Essence: Efficient power management solution
- Packaging/Quantity: Tape & Reel, 2500 units per reel
Specifications
- Input Voltage Range: 4.5V to 60V
- Output Voltage Range: 0.8V to 24V
- Switching Frequency: Up to 2.5MHz
- Efficiency: Up to 96%
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
- Pin 1: VIN
- Pin 2: GND
- Pin 3: FB
- Pin 4: SYNC/MODE
- Pin 5: SS/TR/UVLO
- Pin 6: VOUT
- Pin 7: SW
- Pin 8: GND
Functional Features
- Wide input voltage range
- High efficiency over a wide load range
- Synchronizable to an external clock
- Adjustable soft-start
- Programmable undervoltage lockout
Advantages and Disadvantages
- Advantages:
- High efficiency
- Wide input voltage range
- Compact package
- Disadvantages:
- Higher cost compared to traditional linear regulators
- Requires careful PCB layout for optimal performance
Working Principles
The LT8390AEUFD#TRPBF is a step-down DC/DC converter that uses a high efficiency synchronous switching architecture to regulate the output voltage. It employs a constant frequency current mode control architecture to provide fast transient response and excellent loop stability.
Detailed Application Field Plans
- Industrial power supplies
- Automotive systems
- Telecom infrastructure
- Battery-powered systems
- Distributed power systems
Detailed and Complete Alternative Models
- LT8610ABEUFD#PBF
- LT8645SIE#PBF
- LT8650SIE#PBF
- LT8672EUFD#PBF
This comprehensive entry provides detailed information about the LT8390AEUFD#TRPBF, covering its product overview, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.
Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LT8390AEUFD#TRPBF en soluciones técnicas
What is the input voltage range of LT8390AEUFD#TRPBF?
- The input voltage range of LT8390AEUFD#TRPBF is from 4.5V to 60V.
What is the typical output current capability of LT8390AEUFD#TRPBF?
- The typical output current capability of LT8390AEUFD#TRPBF is up to 3A.
What are the key features of LT8390AEUFD#TRPBF?
- LT8390AEUFD#TRPBF features include a wide input voltage range, high efficiency synchronous operation, low dropout operation, and adjustable frequency.
Can LT8390AEUFD#TRPBF be used in automotive applications?
- Yes, LT8390AEUFD#TRPBF is suitable for automotive applications due to its wide input voltage range and robust design.
What is the typical efficiency of LT8390AEUFD#TRPBF?
- The typical efficiency of LT8390AEUFD#TRPBF is around 90% under typical operating conditions.
Does LT8390AEUFD#TRPBF require an external compensation network?
- No, LT8390AEUFD#TRPBF has internal compensation, simplifying the design and reducing external component count.
What are the recommended application circuits for LT8390AEUFD#TRPBF?
- The datasheet provides several recommended application circuits based on different input and output voltage requirements.
Is LT8390AEUFD#TRPBF suitable for battery-powered applications?
- Yes, LT8390AEUFD#TRPBF's low dropout operation and wide input voltage range make it suitable for battery-powered applications.
What are the thermal considerations for LT8390AEUFD#TRPBF?
- The datasheet provides guidance on thermal management and layout considerations to ensure proper heat dissipation.
Are there any evaluation boards available for LT8390AEUFD#TRPBF?
- Yes, Linear Technology offers evaluation boards for LT8390AEUFD#TRPBF to facilitate testing and prototyping.