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UCC3813D-4G4
Product Overview
Category
UCC3813D-4G4 belongs to the category of integrated circuits (ICs).
Use
This product is commonly used in power management applications.
Characteristics
- Integrated circuit
- Power management functionality
- High efficiency
- Compact size
- Wide operating voltage range
Package
UCC3813D-4G4 is available in a small outline package (SOP) format.
Essence
The essence of UCC3813D-4G4 lies in its ability to efficiently manage power in various electronic devices.
Packaging/Quantity
This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.
Specifications
- Input Voltage Range: 2.7V to 18V
- Output Voltage Range: 0.8V to 16V
- Maximum Output Current: 500mA
- Operating Temperature Range: -40°C to +85°C
- Switching Frequency: 100kHz to 1MHz
- Control Method: Voltage Mode PWM
Detailed Pin Configuration
UCC3813D-4G4 has the following pin configuration:
- VCC: Power supply input
- GND: Ground reference
- COMP: Compensation pin for feedback control loop
- FB: Feedback pin for output voltage regulation
- CS: Current sense pin for current limit protection
- RT/CT: Timing components connection pins
- SS/TR: Soft-start and shutdown control pin
- OUT: Power output pin
Functional Features
- Voltage mode pulse width modulation (PWM) control
- Adjustable output voltage
- Overcurrent protection
- Soft-start and shutdown control
- Error amplifier for precise voltage regulation
- External timing components for frequency adjustment
Advantages and Disadvantages
Advantages
- High efficiency power management
- Wide input and output voltage range
- Compact size for space-constrained applications
- Overcurrent protection ensures device safety
- Soft-start feature prevents inrush current
Disadvantages
- Limited maximum output current (500mA)
- Requires external timing components for frequency adjustment
Working Principles
UCC3813D-4G4 operates on the principle of voltage mode pulse width modulation (PWM) control. It regulates the output voltage by comparing it with a reference voltage and adjusting the duty cycle of the PWM signal accordingly. This control method ensures efficient power transfer and precise voltage regulation.
Detailed Application Field Plans
UCC3813D-4G4 finds applications in various fields, including but not limited to: 1. Power supplies for consumer electronics 2. Battery charging circuits 3. LED lighting systems 4. Industrial automation equipment 5. Automotive electronics
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to UCC3813D-4G4 are: 1. LM2576-ADJ 2. LT1073-12 3. TPS5430-EP 4. MAX668 5. MC34063A
These models can be considered as alternatives based on specific requirements and design constraints.
In conclusion, UCC3813D-4G4 is an integrated circuit used for power management applications. It offers high efficiency, a wide operating voltage range, and compact size. The product operates on voltage mode PWM control and provides features like overcurrent protection and soft-start. It finds applications in various fields such as consumer electronics, battery charging, LED lighting, industrial automation, and automotive electronics. Alternative models include LM2576-ADJ, LT1073-12, TPS5430-EP, MAX668, and MC34063A.
Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng UCC3813D-4G4 sa mga teknikal na solusyon
Sure! Here are 10 common questions and answers related to the application of UCC3813D-4G4 in technical solutions:
Q: What is UCC3813D-4G4? A: UCC3813D-4G4 is a high-performance current-mode PWM controller used in various power supply applications.
Q: What are the key features of UCC3813D-4G4? A: Some key features include adjustable frequency operation, cycle-by-cycle current limiting, soft-start capability, and integrated error amplifier.
Q: What is the typical input voltage range for UCC3813D-4G4? A: The typical input voltage range is between 7V and 30V.
Q: Can UCC3813D-4G4 be used in both buck and boost converter topologies? A: Yes, UCC3813D-4G4 can be used in both buck and boost converter topologies.
Q: How does UCC3813D-4G4 achieve cycle-by-cycle current limiting? A: UCC3813D-4G4 uses a current sense resistor and a comparator to monitor the current flowing through the power switch.
Q: Can UCC3813D-4G4 operate at high switching frequencies? A: Yes, UCC3813D-4G4 can operate at switching frequencies up to several hundred kilohertz.
Q: Does UCC3813D-4G4 have built-in protection features? A: Yes, UCC3813D-4G4 has built-in features like overvoltage protection, undervoltage lockout, and thermal shutdown.
Q: What is the maximum duty cycle supported by UCC3813D-4G4? A: The maximum duty cycle is typically around 90%.
Q: Can UCC3813D-4G4 be used in battery-powered applications? A: Yes, UCC3813D-4G4 can be used in battery-powered applications as it has a low quiescent current and operates at low voltages.
Q: Are there any application notes or reference designs available for UCC3813D-4G4? A: Yes, Texas Instruments provides application notes and reference designs that can help in implementing UCC3813D-4G4 in various technical solutions.
Please note that the answers provided here are general and may vary depending on specific design requirements and application scenarios. It's always recommended to refer to the datasheet and relevant documentation for accurate information.