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The RT7296F is a high-efficiency, 3A current mode synchronous step-down DC-DC converter with a wide input voltage range from 4.5V to 17V. The device integrates 80m&Omega; high-side and 30m&Omega; low-side MOSFETs to achieve high efficiency conversion. The current mode control architecture supports fast transient response and internal compensation. The RT7296F provides power good pin to be an output voltage ready indicator. A cycle-by-cycle current limit function provides protection against shorted output. The RT7296F provides complete protection functions such as input undervoltage lockout, output undervoltage protection, overcurrent protection, and thermal shutdown. The PWM frequency is adjustable by the EN/SYNC pin. The RT7296F is available in the TSOT-23-8 (FC) package.<br /><br />The recommended junction temperature range is -40&deg;C to 125&deg;C and ambient temperature range is -40&deg;C to 85&deg;C.
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  • 4.5V至17V输入电压范围
  • 输出电流3A
  • 内部整合N信道MOSFET
  • 电流模式控制
  • 固定切换频率:500kHz
  • 外部频率讯号同步: 200kHz 至 2MHz
  • 逐周期的电流限制保护
  • 轻载时操作于Power-Save Mode
  • 外部软启动功能
  • 电源良好指示
  • 输入欠电压闩锁保护
  • 输出欠电压保护
  • 过热关机保护
  • 符合 RoHS 规范，不含卤素
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工业、商用的低功率电源系统 计算机接口设备产品 液晶屏幕与电视产品 数字视频转换盒(STB)
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