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UCC2813D-0
The UCC2813D-0 by Texas Instruments is a PWM current mode controller with a 1A output and operates at a frequency of 1000 kHzUCC2813D-0
The UCC2813D-0 by Texas Instruments is a PWM current mode controller with a 1A output and operates at a frequency of 1000 kHz
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製造商零件號 # : UCC2813D-0
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包裝/封裝: SOIC (D)-8
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製造商: Texas Instruments
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產品分類 : DC DC Switching Controllers
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UCC2813D-0 數據表
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詳細說明
The UCC2813D-0 is a high-performance BiCMOS current-mode PWM controller designed to meet the demands of modern power supply applications. Its trimmed oscillator ensures precise duty cycle control, while the enhanced line under-voltage lockout and high-speed operational amplifier provide reliable and stable operation. With protection functions such as overcurrent protection and adjustable soft-start, the UCC2813D-0 offers comprehensive protection and flexibility. Its wide input voltage range of 8V to 35V makes it suitable for a variety of power supply designs, and it can drive external MOSFETs or BJTs up to 1A peak current. Whether used in isolated power supplies, DC-DC converters, or battery chargers, the UCC2813D-0 delivers exceptional performance and reliability. Available in an 8-pin SOIC package and capable of operating over a temperature range of -40°C to 85°C, this controller is a versatile and robust choice for demanding power supply applications
主要特徵
- Low-voltage operation
- Programmable frequency
- Ripple-free output
- Soft-start functionality
- Synchronized shutdown
- Undervoltage lockout
應用
- Industrial controls solution
- Battery charger efficiency
- LED lighting regulation
規格
以下是所選零件的基本參數，涉及零件的特性及其所屬類別。
| Topology | Boost, Flyback, Forward | Control mode | Current |
| Duty cycle (max) (%) | 100 | Switching frequency (max) (kHz) | 1000 |
| Features | Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Leading edge blanking, Multi-topology, Soft start | UVLO thresholds on/off (V) | 7.2/6.9 |
| Operating temperature range (°C) | -40 to 85 | Rating | Catalog |
| Gate drive (typ) (A) | 1 | Vin (max) (V) | 11 |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is UCC2813D-0?
The UCC2813D-0 is a low-power, BiCMOS current-mode PWM controller designed by Texas Instruments. It is specifically optimized for high-performance offline and dc-to-dc converters.
How Does UCC2813D-0 Work?
The UCC2813D-0 operates as a current-mode PWM controller, providing precise control over power conversion applications. It regulates the output voltage by adjusting the duty cycle of the PWM signal based on the feedback from the output voltage. It also features various protection functions to ensure the safety and reliability of the power supply system.
How Many Pins does UCC2813D-0 have and What are the Functions of the Pinout Configuration?
The UCC2813D-0 is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- VREF: Reference voltage pin.
- COMP: Error amplifier output pin.
- FB: Feedback pin.
- RT: Oscillator timing resistor pin.
- CT: Oscillator timing capacitor pin.
- GND: Ground pin.
- OUTPUT: PWM output pin.
- VCC: Power supply pin.
What are the Pros and Cons of UCC2813D-0?
Pros:
- Efficiency: Provides high efficiency in power conversion applications.
- Compact Size: Housed in a small 8-pin package, suitable for space-constrained designs.
- Integrated Protection: Includes features such as overcurrent protection and overvoltage protection for enhanced system robustness.
- Wide Operating Voltage Range: Can operate over a wide range of input voltages, making it versatile for various applications.
Cons:
- External Components: May require external components such as resistors and capacitors for proper operation.
- Complexity: Requires careful design and consideration of component values for optimal performance.
Are There Any Equivalents/Alternatives to UCC2813D-0 for Recommendation?
- The UCC3813D-0 from Texas Instruments offers similar functionality and performance.
- Alternatives to the UCC2813D-0 include the UC3843 from STMicroelectronics and the SG3525 from ON Semiconductor.
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