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UCC2805-Q1
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Category:ACDC- and -DCDC-power supply
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Product Name:Automotive low-power BiCMOS current-mode PWM
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Manufacturers:TI
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Production Batch Number:10+
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Encapsulation:8SOIC
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Stock Status:There is stock
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Stock Quantity:6000
- Minimum order quantity: 1
- Details:
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高高速，低功耗集成电路包含UCC2800/1/2/3/4/5家庭为离线和直流到直流固定频率电流模式开关电源所需的所有控制和驱动器组件与数最少的部分。
这些器件具有与UC2842/3/4/5系列相同的引脚配置，也提供内部全周期软启动和内部领先的电流检测输入消隐增值功能。
该UCC2800/1/2/3/4/5家庭提供了最大占空比和电压等级的选择至关重要。 如UCC2803与UCC2805下参考零件配合最好到电池供电系统，而较高的参考和UCC2802与UCC2804较高UVLO滞后为在离线电源使用这些理想的选择。
characteristic
- Qualified automotive applications
- ESD protection over 200 V using the machine model (C = 200 pF, R = 0)
- Typical supply current start-up of 100μA
- Typical operating current of 500μA
- Runs up to 1MHz
- Internal soft start
- Internal soft-start failure
- Built-in leading-edge blanking current sense signal
- 1 amp totem pole output
- Typical gate drive output response from 70 ns current sensing
- 1.5% tolerance voltage reference
- The same pins are UC3842 and UC3842A
parameter
| |
UCC2805 - 1季 |
| Control method |
Current mode |
| Duty cycle (max.) (%) |
50 |
| Frequency (max) (khertz) |
1000 |
| On/Off of Undervoltage Lockout Threshold (5) |
4.1/3.6 |
| Pins/Packets |
8SOIC |
| (#) Regulated output |
One |
| Operating temperature range(°C) |
-40 to 125 |
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