该系列高性能LDO稳压器面向噪声敏感型应用和RF应用,具有高电源抑制比(在1 kHz的频率下,其高达92 dB)和超低噪声操作(低至6.3 µVRMS),为超灵敏负载提供了更干净且稳定的输出电压。 它们的高级设计能够保证实现快速且稳定的动态性能和低功耗。

Ultra-low-noise and low-consumption LDO for ultra-sensitive loads

The LDLN025 is a series of 250 mA low-dropout voltage regulators designed for noise sensitive loads. Able to work with an input voltage range from 1.5 to 5.5 V, it provides accurate and stable voltage (I’d refer to the single LDO rather than the family, otherwise it can be read as the LDO offer several voltages) to precision ADCs, VCOs, or sensors, in space-constrained products such as smartphones, smart watches, fitness monitors, medical sensors, and wireless IoT devices.

Due to its best-in-class output noise figures (<6.5 µVRMS) and very high PSRR (80 dB), the LDLN025 provides a very clean output, suitable for ultra-sensitive loads (If we have room I’d mention here the very small package as a strength point, rather than the ceramic caps). Moreover, its very low quiescent current, only 12 μA at no-load, extends the battery life of applications requiring very long standby time.

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