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The RT8125P PWM controller provides high efficiency, excellent transient response, and high DC output accuracy needed for CPU core, I/O, and chipset RAM supplies in notebook computers.<br /><br />Richtek Mach Response<sup>TM</sup> technology is specifically designed for providing 100ns &ldquo;instant-on&rdquo; response to load transients while maintaining a relatively constant switching frequency.<br /><br />The RT8125P achieves high efficiency at a reduced cost by eliminating the current sense resistor found in traditional current mode PWMs. Efficiency is further enhanced by its ability to drive very large synchronous rectifier MOSFETs. The Buck conversion allows this device to directly step down high voltage batteries at the highest possible efficiency. The RT8125P provides an 1% high accuracy 0.8V reference voltage with minimum 1mA source/sink current for high accuracy output application.
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  • 立锜 Mach Response™ 技术
  • 1% 精度 0.8V 参考电压
  • VCC 电压范围：4.5V~13.2V
  • VOUT 电压范围：0.3V~3.3V
  • 功率级输入 VIN 电压范围：1.5V~24V
  • 固定工作频率：300kHz
  • 通过 LG_OCSET 设定电流限制阈值
  • 有 PGOOD 指示
  • 内建自举开关
  • 上桥栅极驱动器拉低电阻为 10kΩ
  • 使用下桥导通电阻进行电流检测、限制
  • 具有内部上拉电流的启用功能
  • 过压保护、欠压保护、过热保护、过压保护预处理、电流限制保护
  • 关机电流消耗低于 100μA
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通用 DC-DC 转换器 电脑主机板，伺服器
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