LT1764A

LT1764A采用 - 3A，快速的瞬态响应，低噪声，LDO稳压器

特点

• Optimized for Fast Transient Response 优化快速瞬态响应
• Output Current: 3A 输出电流：3A
• Dropout Voltage: 340mV at 3A 在3A低压差：340mV
• Low Noise: 40µV _RMS (10Hz to 100kHz) 低噪声_{：40μVRMS（10Hz}至100kHz）
• 1mA Quiescent Current 1毫安静态电流
• Wide Input Voltage Range: 2.7V to 20V 宽输入电压范围：2.7V至20V
• No Protection Diodes Needed无需保护二极管
• Controlled Quiescent Current in Dropout在压差控制静态电流
• Fixed Output Voltages: 1.5V, 1.8V, 2.5V, 3.3V固定输出电压：1.5V，1.8V，2.5V，3.3V
• Adjustable Output from 1.21V to 20V从1.21V至20V的可调输出
• <1µA Quiescent Current in Shutdown <1μA静态电流关断模式
• Stable with 10µF Output Capacitor稳定与10μF输出电容
• Reverse Battery Protection电池反接保护
• No Reverse Current无反向电流
• Thermal Limiting热限制
• 描述 The LT ^® 1764A is a low dropout regulator optimized for fast transient response. ^LT®1764A是低压差稳压器，快速的瞬态响应进行了优化。 The device is capable of supplying 3A of output current with a dropout voltage of 340mV.该设备是能够提供一个340mV的压差电压输出电流3A。 Operating quiescent current is 1mA, dropping to <1µA in shutdown.工作静态电流为1mA，降至<1μA关机。 Quiescent current is well controlled; it does not rise in dropout as it does with many other regulators.静态电流得到很好的控制，它不辍学上升，因为它与其他许多稳压器。 In addition to fast transient response, the LT1764A has very low output voltage noise which makes the device ideal for sensitive RF supply applications.除了快速的瞬态响应，LT1764A采用具有非常低的输出电压噪声，这使得敏感的RF电源应用的理想器件。

  Output voltage range is from 1.21V to 20V.输出电压范围从1.21V至20V。 The LT1764A regulators are stable with output capacitors as low as 10µF. LT1764A采用监管与稳定低输出电容为10μF。 Internal protection circuitry includes reverse battery protection, current limiting, thermal limiting and reverse current protection.内部保护电路包括电池反向保护，限流，热限制和反向电流保护。 The device is available in fixed output voltages of 1.5V, 1.8V, 2.5V, 3.3V and as an adjustable device with a 1.21V reference voltage.该器件可在1.5V，1.8V，2.5V，3.3V固定输出电压为1.21V参考电压调节装置。 The LT1764A regulators are available in 5-lead TO-220 and DD packages, and 16-lead FE packages. LT1764A采用稳压器可在5引脚TO-220和DD封装，16引脚FE封装。

  应用

  • 3.3V to 2.5V Logic Power Supply 3.3V至2.5V逻辑电源
  • Post Regulator for Switching Supplies我的开关电源的稳压器

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