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UCC2817
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Category:ACDC- and -DCDC-power supply
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Product Name:BiCMOS power factor preregulator
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Manufacturers:TI
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Production Batch Number:09+10+
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Encapsulation:16PDIP, 16SOIC, 16TSSOP
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Stock Status:There is stock
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Stock Quantity:5000
- Minimum order quantity: 1
- Details:
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该UCCx817/18系列提供的所有功能，主动式功率因数校正预调节器必要的。 该控制器实现了通过塑造交流输入电流波形，以对应的交流输入线电压，功率因数接近。 平均电流模式控制保持稳定，低失真的正弦线电流。
在德州仪器的BiCMOS工艺设计，UCC2817/UCC2818提供诸如低启动电流，降低功耗，过电压保护，欠压锁定检测分流电路，领先的调制技术，以减少大容量电容与纹波电流的新功能通过改进，低偏移（± 2毫伏）电流放大器，以减少在轻负载条件下的失真。
characteristic
- 控制升压前置稳压器到近功率因数
- 界线的失真
- 万维网线运行
- Overvoltage protection
- Precise power limiting
- Average current mode control
- 提高抗干扰
- 改进的前馈线路调整
- 前沿调制
- 150μA的典型启动电流
- 低功耗BiCMOS操作
- 12 V至17 V操作
- 频率范围为6 kHz至220千赫
parameter
| |
UCC2817 |
|
| On/Off of Undervoltage Lockout Threshold (5) |
16/10 |
|
| Operating power supply (max) (5) |
18 |
|
| 启动电流（mA） |
0.15 |
|
| Operating Supply Current (mA) |
4 |
|
| Vref的（五） |
7.5 |
|
| Thor of Vref (%) |
1.5 |
|
| Duty cycle (max.) (%) |
100 |
|
| 实际运行频率（最大）（兆赫） |
0.25 |
|
| Pins/Packets |
16PDIP，16SOIC，16TSSOP |
|
andUCC2817Related ICs are:
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连接器, PCB连接器, 弯式, PA, 回焊焊接接线方式 (THR/SMC), 额定电流: 4A, 插针: 4, 铜合金, 镀金, 编码: D编码 |
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