UCC38503DWG4
Overview
Product Category: Integrated Circuit (IC)
Use: Power Management IC
Characteristics: - High efficiency - Wide input voltage range - Low quiescent current - Overcurrent protection - Thermal shutdown protection
Package: DWG (SOIC-8)
Essence: The UCC38503DWG4 is a power management IC designed for various applications requiring high efficiency and reliable power delivery.
Packaging/Quantity: The UCC38503DWG4 is available in a SOIC-8 package. It is typically sold in reels of 2500 units.
Specifications
- Input Voltage Range: 4.5V to 60V
- Output Voltage Range: 0.8V to 55V
- Quiescent Current: 80µA
- Switching Frequency: 100kHz to 2MHz
- Operating Temperature Range: -40°C to 125°C
Pin Configuration
The UCC38503DWG4 has the following pin configuration:
- VIN: Input voltage
- GND: Ground
- FB: Feedback voltage
- EN: Enable control
- SS/TR: Soft-start/tracking control
- PGND: Power ground
- SW: Switch node
- VOUT: Output voltage
Functional Features
- Wide input voltage range allows for versatile applications.
- High efficiency helps minimize power losses.
- Overcurrent protection ensures safe operation.
- Thermal shutdown protection prevents overheating.
- Soft-start/tracking control enables smooth startup and tracking of output voltage.
Advantages
- High efficiency results in reduced power consumption.
- Wide input voltage range accommodates various power sources.
- Overcurrent protection enhances system reliability.
- Thermal shutdown protection prevents damage due to excessive heat.
- Soft-start/tracking control ensures controlled startup and stable output voltage.
Disadvantages
- Limited output current capability compared to some other power management ICs.
- Higher cost compared to basic linear regulators.
Working Principles
The UCC38503DWG4 is a buck converter, which means it steps down the input voltage to a lower output voltage. It utilizes a high-frequency switching transistor to regulate the output voltage efficiently. The feedback voltage (FB) pin monitors the output voltage and adjusts the duty cycle of the switching transistor to maintain the desired output voltage.
Detailed Application Field Plans
The UCC38503DWG4 can be used in various applications, including but not limited to: - Industrial automation - Telecommunications equipment - Automotive electronics - Power supplies - Battery charging systems
Alternative Models
Some alternative models that offer similar functionality to the UCC38503DWG4 include: - LM2596: Buck converter with adjustable output voltage - LT8610: High-efficiency synchronous buck converter - TPS54331: Wide-input voltage range buck converter
These alternative models can be considered based on specific application requirements and design constraints.
In conclusion, the UCC38503DWG4 is a versatile power management IC that offers high efficiency, wide input voltage range, and various protection features. Its compact SOIC-8 package makes it suitable for space-constrained applications. However, designers should consider alternative models depending on their specific needs and constraints.
10个与UCC38503DWG4在技术解决方案中的应用相关的常见问题及解答
Sure! Here are 10 common questions and answers related to the application of UCC38503DWG4 in technical solutions:
Q: What is UCC38503DWG4? A: UCC38503DWG4 is a high-performance synchronous buck controller IC designed for power supply applications.
Q: What is the input voltage range supported by UCC38503DWG4? A: UCC38503DWG4 supports an input voltage range from 4.5V to 60V.
Q: What is the output voltage range that can be achieved using UCC38503DWG4? A: UCC38503DWG4 can achieve output voltages as low as 0.8V and as high as 55V.
Q: What is the maximum output current that UCC38503DWG4 can handle? A: UCC38503DWG4 can handle a maximum output current of up to 20A.
Q: Does UCC38503DWG4 support synchronous rectification? A: Yes, UCC38503DWG4 supports synchronous rectification, which improves efficiency and reduces power losses.
Q: Can UCC38503DWG4 operate in a wide temperature range? A: Yes, UCC38503DWG4 has a wide operating temperature range of -40°C to 125°C.
Q: What type of control method does UCC38503DWG4 use? A: UCC38503DWG4 uses voltage mode control with adjustable frequency.
Q: Does UCC38503DWG4 have any built-in protection features? A: Yes, UCC38503DWG4 includes various protection features like overvoltage protection, undervoltage lockout, and thermal shutdown.
Q: Can UCC38503DWG4 be used in automotive applications? A: Yes, UCC38503DWG4 is suitable for automotive applications as it meets the AEC-Q100 Grade 1 qualification.
Q: What package options are available for UCC38503DWG4? A: UCC38503DWG4 is available in a 20-pin HTSSOP package and a 20-pin VQFN package.
Please note that these answers are general and may vary depending on the specific application and requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.