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超低噪声高电源抑制比的CMOS LDO的ADM7171数据表
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The ADM7171 is a CMOS， low dropout linear regulator （LDO） that operates from 2.3 V to 6.5 V and provides up to 1 A of output current. This high output current LDO is ideal for regulation of high performance analog and mixed signal circuits operating from 6 V down to 1.2 V rails. Using an advanced proprietary architecture， the device provides high power supply rejection and low noise， and achieves excellent line and load transient response with just a small 4.7 µF ceramic output capacitor. Load transient response is typically 1.5 μs for a 1 mA to 500 mA load step. The ADM7171 is available in 17 fixed output voltage options. The following voltages are available from stock： 1.3 V， 1.8 V， 2.5 V， 3.0 V， 3.3 V， 4.2 V， and 5.0 V. Additional voltages that are available by special order are： 1.5 V， 1.85 V， 2.0 V， 2.2 V， 2.7 V， 2.75 V， 2.8 V， 2.85 V， 3.8 V， and 4.6 V. An adjustable version is also available that allows output voltages that range from 1.2 V to VIN − VDO with an external feedback divider. Inrush current can be controlled by adjusting the start-up time via the soft start pin. The typical start-up time with a 1 nF soft start capacitor is 1.0 ms.
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