3A, Ultra-Low Noise, High PSRR, 45mV Dropout Ultra-Fast Linear Regulator

GENERAL DESCRIPTION The LT®3073 is a low voltage, ultra-low noise, and ultra-fast transient response linear regulator. The device supplies up to 3A with a typical dropout voltage of 45mV. A 4.7μF reference bypass capacitor decreases output voltage noise to 1.2μVRMS. The wide bandwidth and hi

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5.5V, 3A, Ultra-Low Noise, High PSRR, 85mV Dropout Ultra-Fast Linear Regulator

FEATURES  Ultra-low RMS Noise: 1.2μVRMS (10Hz to 100kHz)  Ultra-low Spot Noise: 3.5nV/√ at 10kHz  Ultra-low 1/f Noise: 7μVP-P from 0.1Hz to 10Hz  High-Frequency PSRR: 50dB at 1MHz  Ultra-fast Transient Response  Dropout Voltage: 85mV Typical  Digitally Programmable VOUT: 0.5V to 4.2V

文件：930.43 Kbytes 页数：38 Pages

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5.5V, 3A Ultralow Noise, High PSRR, 45mV Dropout Linear Regulator with PMBus

FEATURES  Ultralow RMS Noise: 1.2μVRMS (10Hz to 100kHz)  Ultralow Spot Noise: 3.5nV/√Hz at 10kHz  Ultralow 1/f Noise: 7μVP-P (0.1Hz to 10Hz)  High PSRR at High Frequency: 52dB at 1MHz  Ultrafast Transient Response  Dropout Voltage: 45mV Typical  100μA Reference Current: ±0.5% Ini

文件：2.064389 Mbytes 页数：62 Pages

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Dropout Linear Regulator

文件：960.52 Kbytes 页数：28 Pages

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5A、低噪声、可编程输出、85mV 压差线性稳压器

LT®3070-1 是一款低电压、UltraFastTM 瞬态响应线性稳压器。该器件可提供高达 5A 的输出电流和一个 85mV 的典型压差电压。一个 0.01μF 的基准旁路电容器将输出电压噪声降低至 25μVRMS。LT3070-1 的 EN 引脚负责控制基准软启动运行方式，而LT3070 则是通过 BIAS 引脚电源电压控制基准软启动。LT3070-1 的高带宽允许使用低 ESR 陶瓷电容器，从而免除了大容量电容并节省了成本。LT3070-1 所具备的诸多特点使其非常适合于高性能 FPGA、微处理器或敏感的通信电源应用。\n\n 可以采用数字方式来选择输出电压 (可选范围为 0 • 输出电流：5A\n\n• 压差电压：85mV（典型值）\n\n• 使能功能对基准实施软启动\n\n• 数字可编程VOUT :0.8V 至 1.8V\n\n• 数字输出裕度调节：±1%, ±3% 或 ±5%\n\n• 低输出噪声：25μVRMS (10Hz 至 100kHz)\n\n• 可并联多个器件以提供 10A 或更大的输出电流\n\n• 精准电流限值：±20%\n\n• 在整个电压、负载和温度范围内提供了 ±1% 的准确度;

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