LD1085V36

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LD1085V36 is a voltage regulator that belongs to the Power Management Integrated Circuit (PMIC) linear voltage family. It offers a precisely adjustable positive output voltage from 1.2V to 37V with a 3-terminal adjuatable regulator. The LD1085V36 provides a very exacting voltage output that is thermally stable with respect to variations in ambient temperature as well as outperforming system internal ripple/noise.

LD1085V36\'s application fields mainly include automotive, communications infrastructure, computers, consumer electronics, and industrial applications such as motor control and high-voltage or lighting systems.

The working principle of LD1085V36 is mainly composed of 2 parts: the first is a voltage regulator, the second is an error amplifier.

The voltage regulator is a three-terminal device. It works by using the differential action between a voltage setting terminal and ground to produce an output voltage equal to a specified fraction (1/8V, 1/4V, 1/2V...) of a reference voltage. The reference voltage is obtained from the error amplifier.

The error amplifier can be connected to the output of the regulator between ground and output terminals and connected to the sensing terminal. The difference between input voltage and adjustment voltage is detected by the error amplifier and amplified in response to the difference. Then this voltage is used as the power to drive the regulator portion and maintain the necessary output voltage.

LD1085V36 also provides a power-on reset (POR) circuit that detects the output voltage of the regulator and provides a reset signal of low level when the regulator\'s output voltage drops below specified threshold. This ensures proper system start-up and protects against any software glitches.

LD1085V36 is designed in an SOT-89-5 packaging, which is suitable for automatic placement. Its maximum operation temperature range is -40°C to +125°C. LD1085V36 also features minimum output voltage of 1.2V, minimum line regulation of 0.12%, minimum load regulation of 0.4% and guaranteed minimum output current of 0.5mA, which might be suitable for many applications.

In conclusion, LD1085V36 is a precision voltage regulator that belongs to the PMIC linear voltage family. It offers an adjustable positive output voltage from 1.2V to 37V with a 3-terminal adjustable regulator, which is suitable for many consumer electronics and industrial applications. In addition, it also features a POR circuit, SOT-89-5 packaging, and operation temperature range of -40°C to +125°C.

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