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UCC28070EVM

评估模块, 用于UCC28070 两相交错CCM功率因数校正控制器

TEXAS INSTRUMENTS UCC28070EVM

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制造商产品编号:
UCC28070EVM
库存编号
3125823

产品概述

The UCC28070EVM is an evaluation module for UCC28070 300W, two phase interleaved, power factor correction pre regulator that uses average current mode control techniques to achieve near unity power factor. The pre regulator was designed to operate off a universal ac line input of 85V to 265V and provides a regulated 390V dc output. The UCC28070 is an advanced power factor correction device that integrates two pulse width modulators operating 180° out of phase. This interleaved PWM operation generates substantial reduction in the input and output ripple currents, and the conducted EMI filtering becomes easier and less expensive. A significantly improved multiplier design provides a shared current reference to two independent current amplifiers that ensures matched average current mode control in both PWM outputs while maintaining a stable, low distortion sinusoidal input line current.
  • Inter leaved average current mode PWM control with inherent current matching
  • Advanced current synthesiser current sensing for superior efficiency
  • Programmable frequency (30KHz to 300KHz)
  • Programmable maximum duty cycle clamp
  • External clock synchronization capability
  • Programmable peak current limiting
  • Bias supply UVLO, over voltage protection, open loop detection, and PFC enable monitoring
  • External PFC disable interface

应用

通信与网络, 便携式器材, 电源管理, 工业

产品信息

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:
Texas Instruments

:
UCC28070

:
电源管理

:
功率因数校正 (PFC)

:
评估模块UCC28070

:
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