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EL7640, EL7641, EL7642 pdf dat

  • 资源大小:4332
  • 上传时间:2022-01-02
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  • 资源积分:1积分
  • 标      签: EL7

资 源 简 介

The EL7640, EL7641, and EL7642 integrate a highperformance boost regulator with 2 LDO controllers for VONand VOFF, a VON-slice circuit with adjustable delay andeither one (EL7640), three (EL7641), or five amplifiers(EL7642) for VCOM and VGAMMA applicaTIons.The boost converter in the EL7640, EL7641, and EL7642 isa current mode PWM type integraTIng an 18V N-channelMOSFET. OperaTIng at 1.2MHz, this boost can operate ineither P-mode for superior transient response, or in PI-modefor TIghter output regulation.Using external low-cost transistors, the LDO controllersprovide tight regulation for VON, VOFF, as well as providingstart-up sequence control and fault protection.
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