UCC2819DTR 供应商
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UCC2819DTR
品牌：TI 封装/批号：原厂原装/22+
UCC2819DTR 属性参数
- 标准包装：2,500
- 类别：集成电路 (IC)
- 家庭：PMIC - PFC（功率因数修正）
- 系列：-
- 模式：平均电流
- 频率 - 开关：250kHz
- 电流 - 启动：150µA
- 电源电压：10.8 V ~ 17 V
- 工作温度：-40°C ~ 85°C
- 安装类型：表面贴装
- 封装/外壳：16-SOIC（0.154"，3.90mm 宽）
- 供应商设备封装：16-SOIC N
- 包装：带卷 (TR)
- 配用：296-11511-5-ND - EVAL MOD FOR UCC3817-015
产品特性
- Controls Boost Preregulator to Near-Unity Power Factor
- World Wide Line Operation
- Over-Voltage Protection
- Accurate Power Limiting
- Average Current Mode Control
- Improved Noise Immunity
- Improved Feed-Forward Line Regulation
- Leading Edge Modulation
- 150-µA Typical Start-Up Current
- Low-Power BiCMOS Operation
- 10.8-V to 17-V Operation
- Programmable Output Voltage (Tracking Boost Topology)
产品概述
The UCC2819/UCC3819 provides all the functions necessary for active power factor corrected preregulators. The controller achieves near unity power factor by shaping the ac-input line current waveform to correspond to that of the ac-input line voltage. Average current mode control maintains stable, low distortion sinusoidal line current.Designed in Texas Instrument’s BiCMOS process, the UCC3819 offers new features such as lower start-up current, lower power dissipation, overvoltage protection, a shunt UVLO detect circuitry and a leading-edge modulation technique to reduce ripple current in the bulk capacitor.The UCC3819 allows the output voltage to be programmed by bringing out the error amplifier noninverting input.Available in the 16-pin D, DW, N, and PW packages.
UCC2819DTR