LX8385-33IP

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LX8385-33IP is a linear voltage regulator which finds application in a wide range of fields. It is a 3A regulator with low operating current and low quiescent current draw. The operating current of the device is 0 to 6µA, hence it is suitable for applications that demand low power source.

Moreover, LX8385-33IP has an impressive package size of 5.5mm x 7mm x 0.6mm, making it suitable for devices with space constraints. It is available in a SOIC-8 package and has an extended temperature range of -20°C to +125°C.

The device is designed to switch quickly between output step voltages. Its output voltage can be adjusted by connecting a resistor divider between VOUT and the FB pin. The switching times such as rise and fall times of the device can be reduced to as low as 135ns, making it suitable for applications with high speed transients.

LX8385-33IP has an impressive thermal profile due to its thermal pad which conducts heat away from the device. The device includes an enable pin that when asserted, puts it in a low power state while still supplying the output with a minimum current draw.

Additionally, the device is fully tolerant to reverse input and output voltages, up to -30V with quiescent current surge ≤5µA. This makes it suitable for applications where it is desired to have reverse battery protection.

Moreover, the device provides low output noise, high power supply rejection (PSMR), and low output voltage noise, making it suitable for applications that need accurate output voltage regulation and low output noise.

The LX8385-33IP uses a resistive divider approach for external feedback from the output voltage to the FB pin. The FB pin is the input to the reference amplifier which is an essential part of the feedback circuit. The amplifier compares the voltage present on the FB pin to the internal reference voltage and adjusts the output voltage until they match.

The device features internal over-temperature and current-limiting protection and provides accurate output regulation even with high transient loads. The device operates as a linear regulator, hence the output voltage is independent of input voltage variations.

All-in-all, the LX8385-33IP is an efficient and highly versatile linear voltage regulator, suitable for applications that require precise power supply voltage and low power dissipation. It features impressive package size, fast switching times, accurate output regulation, low output noise and input/output reverse voltage protection.

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