Tingnan ang mga detalye para sa mga detalye ng produkto.
UCC3802DG4
Basic Information Overview
- Category: Integrated Circuit (IC)
- Use: Power Management
- Characteristics: High-performance current mode PWM controller
- Package: SOIC-8
- Essence: Regulates and controls power delivery in various applications
- Packaging/Quantity: Tape and Reel, 2500 units per reel
Specifications
- Input Voltage Range: 7.6V to 30V
- Output Voltage Range: 0V to 5.1V
- Operating Temperature Range: -40°C to 85°C
- Switching Frequency: 50kHz to 1MHz
- Duty Cycle Range: 0% to 100%
- Maximum Output Current: 500mA
- Error Amplifier Bandwidth: 10kHz
- Soft Start Time: 10ms
Detailed Pin Configuration
- COMP: Compensation pin for error amplifier
- FB: Feedback pin for output voltage regulation
- CS: Current sense input pin
- GND: Ground reference pin
- VREF: Reference voltage output pin
- RT/CT: Timing resistor/capacitor connection pin
- SS/TR: Soft start/timing capacitor discharge pin
- VCC: Supply voltage input pin
Functional Features
- Current Mode Control: Provides excellent line and load regulation
- Adjustable Frequency: Allows optimization for different applications
- Soft Start Function: Prevents excessive inrush current during startup
- Overcurrent Protection: Safeguards against excessive output current
- Under-Voltage Lockout: Ensures proper operation under low voltage conditions
- Error Amplifier: Provides precise voltage regulation
Advantages and Disadvantages
Advantages: - High-performance current mode control - Wide input voltage range - Adjustable frequency for flexibility - Comprehensive protection features - Compact SOIC-8 package
Disadvantages: - Limited maximum output current - Relatively low error amplifier bandwidth
Working Principles
The UCC3802DG4 is a high-performance current mode PWM controller designed for power management applications. It operates by comparing the feedback voltage (FB) with the reference voltage (VREF) to generate an error signal. This error signal is then amplified and used to control the duty cycle of the output waveform, regulating the power delivered to the load.
The current mode control ensures excellent line and load regulation, making it suitable for various power supply designs. The adjustable frequency feature allows optimization for different applications, balancing efficiency and component size. The soft start function prevents excessive inrush current during startup, protecting the system components. Comprehensive protection features such as overcurrent protection and under-voltage lockout enhance the reliability of the power delivery.
Detailed Application Field Plans
The UCC3802DG4 is widely used in power management applications, including but not limited to:
- Switching Power Supplies: Provides efficient and regulated power conversion for various electronic devices.
- LED Lighting: Controls the brightness and intensity of LEDs in lighting systems.
- Motor Control: Regulates the speed and torque of motors in industrial and automotive applications.
- Battery Charging: Manages the charging process of batteries in portable devices and electric vehicles.
- Audio Amplifiers: Ensures stable power delivery to audio amplification circuits.
Detailed and Complete Alternative Models
- UCC2802DG4: Similar functionality with a wider input voltage range.
- UCC3803DG4: Enhanced version with additional protection features.
- UCC3804DG4: Higher output current capability with improved error amplifier bandwidth.
These alternative models provide options based on specific requirements and design considerations.
In conclusion, the UCC3802DG4 is a high-performance current mode PWM controller that offers precise power management capabilities. Its adjustable frequency, comprehensive protection features, and compact package make it suitable for a wide range of applications in various industries.
Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng UCC3802DG4 sa mga teknikal na solusyon
Sure! Here are 10 common questions and answers related to the application of UCC3802DG4 in technical solutions:
Q: What is UCC3802DG4? A: UCC3802DG4 is a high-performance current-mode PWM controller used in various power supply applications.
Q: What are the key features of UCC3802DG4? A: Some key features include adjustable frequency operation, cycle-by-cycle current limiting, soft-start capability, and low start-up current.
Q: How does UCC3802DG4 help in power supply applications? A: UCC3802DG4 provides precise control over the output voltage and current, ensuring stable and efficient power supply operation.
Q: Can UCC3802DG4 be used in both AC-DC and DC-DC converter designs? A: Yes, UCC3802DG4 can be used in both AC-DC and DC-DC converter designs, making it versatile for various applications.
Q: What is cycle-by-cycle current limiting? A: Cycle-by-cycle current limiting is a feature that protects the power supply by monitoring the current flowing through the system and limiting it if it exceeds a certain threshold.
Q: Does UCC3802DG4 have protection features? A: Yes, UCC3802DG4 includes protection features such as overvoltage protection, undervoltage lockout, and thermal shutdown.
Q: Can UCC3802DG4 operate at high frequencies? A: Yes, UCC3802DG4 can operate at high frequencies, allowing for compact and efficient power supply designs.
Q: How does the soft-start capability of UCC3802DG4 benefit power supplies? A: The soft-start capability gradually ramps up the output voltage, reducing stress on components and preventing excessive inrush current.
Q: What is the typical input voltage range for UCC3802DG4? A: The typical input voltage range for UCC3802DG4 is between 8V and 18V.
Q: Are there any application notes or reference designs available for UCC3802DG4? A: Yes, Texas Instruments provides application notes and reference designs that can help engineers in implementing UCC3802DG4 in their technical solutions.
Please note that these answers are general and may vary depending on specific design requirements and application scenarios.