Low noise LDO LDLN030. Free Technical Library News

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Low Noise LDO LDLN030

03.09.2018

The LDLN030 is a new low dropout linear regulator from STMicroelectronics with an input range of 1,6...5,5V and an output current of 300mA. The voltage drop at a maximum load of 300 mA is approximately 150 mV.

A very low self-consumption of 16 µA and a low off-state consumption of 1 µA (Enable input) allows this regulator to be used in a wide range of products, including battery-powered ones.

With an ultra-low output noise of 7.5 µVRMS and a high power supply rejection ratio (PSRR), the LDLN030 delivers very high output voltage quality, which is important for noise-sensitive measurement applications such as ADCs.

Additional features of this controller are the presence of a soft start mode (Soft-start), output "Power Good" and protection against overheating. The stabilizer is completely stable in a circuit with ceramic capacitors, which can significantly reduce the overall dimensions and cost of the power supply.

The LDLN030 is available in a convenient TSOT23-5L package and has a wide operating temperature range of -40...125°C.

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