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UCC2804N
With an output voltage range of 8.3V to 12V, the UCC2804N is a versatile solution for various power supply designsUCC2804N
With an output voltage range of 8.3V to 12V, the UCC2804N is a versatile solution for various power supply designs
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製造商零件號 # : UCC2804N
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包裝/封裝: PDIP-8
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製造商: Texas Instruments
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產品分類 : Power Supply Controllers, Monitors
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UCC2804N 數據表
價格 (USD)
| 數量 | 單價 | 總價 |
|---|---|---|
| 1 | $1.984 | $1.98 |
| 200 | $0.769 | $153.80 |
| 500 | $0.741 | $370.50 |
| 1000 | $0.728 | $728.00 |
這些價格會受到市場波動的影響，需要提交報價才能取得最新價格。
詳細說明
The UCC2804N is a versatile and high-performance fixed-frequency current-mode controller ideal for a wide range of power supply applications. With an input voltage range of 10V to 30V and a maximum duty cycle of 95%, this controller provides the flexibility and power handling capabilities needed for demanding power supply designs. Its precision oscillator and error amplifier for voltage feedback ensure accurate and reliable performance, while the UVLO function adds an extra layer of protection against undervoltage conditions
主要特徵
- Advanced load management
- Reduced standby power consumption
- High efficiency operation
- Over-temperature detection
應用
- Intelligent power management
- Versatile circuit integration
- Customizable design features
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。
| Product Category ! | Switching Controllers | RoHS | Details |
| Topology | Boost, Flyback, Forward | Number of Outputs | 1 Output |
| Switching Frequency ! | 1 MHz | Duty Cycle - Max | 50 % |
| Input Voltage | 12 V | Output Voltage | 5 V |
| Output Current ! | 1 A | Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature ! | + 85 C | Mounting Style | Through Hole |
| Package / Case | PDIP-8 | Brand | Texas Instruments |
| Fall Time | 44 ns | Product Type ! | Switching Controllers |
| Rise Time ! | 41 ns | Series | UCC2804 |
| Factory Pack Quantity | 50 | Subcategory | PMIC - Power Management ICs |
| Type | Current Mode PWM Controllers | Unit Weight | 0.018455 oz |
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 UCC2804N?
The UCC2804N is a high-performance current-mode PWM controller designed by Texas Instruments. It is commonly used in power supply applications such as offline flyback converters, AC adapters, and LED drivers.
How Does UCC2804N Work?
The UCC2804N operates as a current-mode controller, regulating the power delivery in switching power supply circuits. It provides precise control over the power conversion process by adjusting the duty cycle of the output waveform based on the feedback from the load or output voltage. This ensures efficient and stable power supply operation.
How Many Pins does UCC2804N have and What are the Functions of the Pinout Configuration?
The UCC2804N is housed in a 14-pin PDIP (Plastic Dual In-Line Package) package. The pinout configuration includes:
- VCC: Supply voltage pin.
- RT/CT: Timing resistor/capacitor pin for setting oscillator frequency.
- COMP: Compensation pin for loop stability adjustment.
- CS: Current sense input pin.
- SENSE: Voltage feedback input pin.
- OUT: Gate driver output pin.
- FB: Feedback input for regulation.
- GND: Ground connection.
What are the Pros and Cons of UCC2804N?
Pros:
- High Performance: Delivers precise current-mode control for efficient power conversion.
- Flexible Frequency Control: Adjustable timing resistor/capacitor allows for oscillator frequency customization.
- Integrated Protection Features: Includes protection circuits for overcurrent and overvoltage events.
- Wide Operating Voltage Range: Suitable for various power supply designs.
Cons:
- External Components: Requires external components for complete power supply implementation.
- Application Complexity: May need careful design consideration for optimal performance.
- 14-pin Package: The PDIP package may require more board space compared to smaller packages.
Are There Any Equivalents/Alternatives to UCC2804N for Recommendation?
- Alternatives to the UCC2804N include the UC3844 from Texas Instruments and the NCP1200 from ON Semiconductor.
- Comparable parts to the UCC2804N are the TL494 from Texas Instruments and the SG3524 from STMicroelectronics.
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