UCC2810N - English Editing Encyclopedia Entry
Product Overview
Category: Integrated Circuit (IC)
Use: Voltage Mode PWM Controller
Characteristics: - High-performance voltage mode controller - Designed for offline and DC-to-DC power supplies - Provides precise regulation of output voltage - Offers protection features for enhanced reliability
Package: PDIP-16 (Plastic Dual In-Line Package)
Essence: The UCC2810N is a voltage mode PWM controller that is widely used in various power supply applications. It provides accurate regulation of output voltage and offers several protection features to ensure reliable operation.
Packaging/Quantity: The UCC2810N is typically packaged in tubes or reels, with 25 pieces per tube/reel.
Specifications
- Input Voltage Range: 8V to 35V
- Output Voltage Range: 0V to 30V
- Maximum Duty Cycle: 100%
- Operating Temperature Range: -40°C to 85°C
- Frequency Range: 50kHz to 1MHz
- Output Current: Up to 1A
Detailed Pin Configuration
The UCC2810N has a total of 16 pins, which are assigned specific functions:
- COMP: Compensation pin for external compensation network.
- FB: Feedback pin for regulating the output voltage.
- RT/CT: Timing resistor/capacitor connection for setting the oscillator frequency.
- VREF: Reference voltage output for feedback loop.
- GND: Ground reference for the IC.
- CS: Current sense input for current limiting.
- SS/TR: Soft-start/Shutdown control pin.
- VCC: Power supply voltage input.
Pins 9 to 16 are not used in the UCC2810N.
Functional Features
- Voltage Mode Control: The UCC2810N utilizes voltage mode control to regulate the output voltage of power supplies accurately.
- Current Limiting: The CS pin allows for current sensing and provides protection against excessive current flow.
- Soft-Start Function: The SS/TR pin enables a soft-start feature, gradually ramping up the output voltage during startup to prevent overshoot.
- Shutdown Capability: The SS/TR pin can also be used to shut down the controller when required.
Advantages and Disadvantages
Advantages: - Precise regulation of output voltage - Wide input voltage range - High-performance voltage mode control - Protection features enhance reliability - Soft-start function prevents overshoot
Disadvantages: - Limited output current capability (up to 1A) - Requires external compensation network for stability
Working Principles
The UCC2810N operates by comparing the feedback voltage (FB) with a reference voltage (VREF). It adjusts the duty cycle of the PWM signal generated at the output based on this comparison. By controlling the duty cycle, the UCC2810N regulates the output voltage of the power supply.
The CS pin monitors the current flowing through the power supply and limits it to a safe level. The soft-start function gradually increases the duty cycle during startup to prevent sudden voltage spikes.
Detailed Application Field Plans
The UCC2810N is commonly used in various power supply applications, including: - Offline AC-DC converters - DC-DC converters - Battery chargers - LED drivers - Industrial power supplies
Its precise regulation, protection features, and wide input voltage range make it suitable for a wide range of applications.
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the UCC2810N include: - UC3842 - TL494 - SG3525 - MC34063
These alternatives can be considered based on specific requirements and design considerations.
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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät UCC2810N :n soveltamiseen teknisissä ratkaisuissa
Sure! Here are 10 common questions and answers related to the application of UCC2810N in technical solutions:
Q: What is UCC2810N? A: UCC2810N is a pulse width modulation (PWM) controller IC used for controlling power supply circuits.
Q: What are the key features of UCC2810N? A: Some key features of UCC2810N include adjustable frequency, soft-start capability, cycle-by-cycle current limiting, and overvoltage protection.
Q: How does UCC2810N help in power supply applications? A: UCC2810N helps regulate the output voltage of power supplies by adjusting the duty cycle of the PWM signal.
Q: Can UCC2810N be used in both AC-DC and DC-DC power supply designs? A: Yes, UCC2810N can be used in both AC-DC and DC-DC power supply designs, making it versatile for various applications.
Q: What is the maximum operating frequency of UCC2810N? A: The maximum operating frequency of UCC2810N is typically around 500 kHz.
Q: Does UCC2810N have built-in protection features? A: Yes, UCC2810N has built-in protection features such as overvoltage protection and cycle-by-cycle current limiting.
Q: Can UCC2810N be used in high-power applications? A: Yes, UCC2810N can be used in high-power applications by using external power devices capable of handling higher currents.
Q: Is UCC2810N suitable for battery charging applications? A: Yes, UCC2810N can be used in battery charging applications by controlling the charging voltage and current.
Q: Can UCC2810N be used in automotive applications? A: Yes, UCC2810N can be used in automotive applications where precise control of power supply is required.
Q: Are there any application notes or reference designs available for UCC2810N? A: Yes, Texas Instruments provides application notes and reference designs that can help in implementing UCC2810N 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 is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.