UCC3960D
Product Overview
Category
UCC3960D belongs to the category of integrated circuits (ICs).
Use
The UCC3960D is primarily used as a voltage mode pulse width modulation (PWM) controller for power supply applications.
Characteristics
- Voltage mode PWM controller
- Suitable for power supply applications
- High efficiency and reliability
- Wide input voltage range
- Adjustable frequency and duty cycle
- Overcurrent protection
- Under-voltage lockout (UVLO) protection
Package
UCC3960D is available in a small outline integrated circuit (SOIC) package.
Essence
The essence of UCC3960D lies in its ability to efficiently control the output voltage of power supplies, ensuring stable and reliable operation.
Packaging/Quantity
UCC3960D is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.
Specifications
- Input Voltage Range: 4.5V to 40V
- Output Voltage Range: 0.8V to 36V
- Frequency Range: 50kHz to 1MHz
- Duty Cycle Range: 0% to 100%
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
The UCC3960D has the following pin configuration:
- VIN: Input voltage pin
- COMP: Compensation pin for feedback loop stability
- FB: Feedback pin for regulating the output voltage
- GND: Ground reference pin
- CS: Current sense pin for overcurrent protection
- SS/TR: Soft-start/Tracking pin for controlling start-up behavior
- RT/CT: Timing resistor/capacitor pin for frequency and duty cycle adjustment
- VCC: Supply voltage pin for internal circuitry
- SYNC: Synchronization pin for external clock synchronization
- EN: Enable pin for turning the controller on/off
Functional Features
- Voltage mode control for precise regulation of output voltage
- Adjustable frequency and duty cycle to optimize power supply performance
- Overcurrent protection to safeguard against excessive current flow
- Under-voltage lockout (UVLO) protection to prevent operation below specified voltage levels
- Soft-start function for controlled start-up behavior
- Synchronization capability for external clock synchronization
Advantages and Disadvantages
Advantages
- High efficiency and reliability
- Wide input voltage range allows for versatile applications
- Adjustable frequency and duty cycle provide flexibility in power supply design
- Overcurrent protection enhances system safety
- Soft-start feature prevents sudden voltage surges during start-up
- Synchronization capability enables synchronization with other devices
Disadvantages
- Limited output voltage range (0.8V to 36V)
- Requires additional external components for complete power supply implementation
Working Principles
The UCC3960D operates based on the voltage mode control technique. It compares the feedback voltage from the FB pin with a reference voltage to regulate the output voltage. By adjusting the frequency and duty cycle, the controller controls the switching of power transistors to maintain the desired output voltage.
Detailed Application Field Plans
The UCC3960D is commonly used in various power supply applications, including but not limited to: - DC-DC converters - AC-DC converters - Uninterruptible power supplies (UPS) - Battery chargers - LED drivers - Industrial power systems
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to UCC3960D include: - UCC3961D - UCC3962D - UCC3963D - UCC3964D - UCC3965D
These alternative models may have slight variations in specifications and pin configurations, but they serve the same purpose of voltage mode PWM control for power supply applications.
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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av UCC3960D i tekniska lösningar
Sure! Here are 10 common questions and answers related to the application of UCC3960D in technical solutions:
Q: What is UCC3960D? A: UCC3960D is a high-performance synchronous buck controller IC used for voltage regulation in various technical applications.
Q: What is the input voltage range supported by UCC3960D? A: UCC3960D supports an input voltage range from 4.5V to 60V, making it suitable for a wide range of power supply designs.
Q: What is the output voltage range that can be achieved using UCC3960D? A: The output voltage range of UCC3960D depends on the external components used in the design but typically ranges from 0.8V to 55V.
Q: Can UCC3960D handle high current loads? A: Yes, UCC3960D is designed to handle high current loads with its integrated MOSFET drivers and advanced control features.
Q: What is the efficiency of UCC3960D? A: UCC3960D offers high efficiency due to its synchronous rectification and advanced control algorithms, achieving efficiencies above 95%.
Q: Does UCC3960D have any protection features? A: Yes, UCC3960D provides various protection features like overvoltage protection (OVP), undervoltage lockout (UVLO), and thermal shutdown.
Q: Can UCC3960D operate in a wide temperature range? A: Yes, UCC3960D is designed to operate reliably in a wide temperature range, typically from -40°C to 125°C.
Q: Is UCC3960D suitable for battery-powered applications? A: Yes, UCC3960D is suitable for battery-powered applications as it supports low-power operation and offers excellent power conversion efficiency.
Q: What control methods are supported by UCC3960D? A: UCC3960D supports various control methods like voltage mode control, current mode control, and external synchronization.
Q: Are there any evaluation boards or reference designs available for UCC3960D? A: Yes, Texas Instruments provides evaluation boards and reference designs for UCC3960D, which can help in the quick prototyping of technical solutions.
Please note that the answers provided here are general and may vary depending on specific design requirements and application scenarios.