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UCC3819
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所属类别：ACDC-和-DCDC-电源
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产品名称：BiCMOS 功率因素前置稳压器
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厂商：TI
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生产批号：09+10+
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封装：16PDIP
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库存状态：有库存
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库存量：5000
- 最低订购量：1
- 详细资料：
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The UCC2819/UCC3819 provides all the features necessary for the active power factor correction preconditioner. The controller realizes that by shaping the AC input current waveform, it corresponds to the AC input line voltage and the power factor is close. The average current mode control maintains a stable, low-distortion sinusoidal current.
Texas Instruments' BiCMOS process design UCC3819 offers new features such as low start-up current, reduced power consumption, overvoltage protection, undervoltage lockout detection circuitry, and paralleling a leading modulation technology to reduce ripple current for high-capacity capacitors.
This UCC3819 allows the output voltage to be programmed at the in-phase input of the amplifier with an error out.
characteristic
- Controls the boost pre-regulator to the near power factor
- World Wide Network cable operation
- Overvoltage protection
- Precise power limits
- Average current mode control
- Improve anti-interference
- Improved feedforward line adjustment
- Frontier modulation
- Typical start-up current of 150μA
- Low-power BiCMOS operation
- 10.8 - V to 17 V operation
- Programmable Output Voltage (Boost Topology Tracking)
parameter
| |
UCC3819 |
| On/off of undervoltage lockout threshold (5) |
10.2/9.7 |
| Working power supply (max) (five) |
17 |
| Starting Current (mA) |
0.15 |
| Operating Supply Current (mA) |
4 |
| Vref (V) |
7.5 |
| Vref's Thor (%) |
1.5 |
| Duty Cycle (Max) (%) |
100 |
| Actual operating frequency (max) (MHz) |
0.25 |
| Pin/Pack |
16PDIP |
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