LD2985AM15R

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LD2985AM15R is a linear voltage regulator, integrated with a power management integrated circuit (PMIC). It is specifically designed to provide system-level voltage regulation with low noise, high current output and low stand-by current. This PMIC has multiple applications in the industrial, automotive and consumer markets, allowing it to be a get-to-market solution in many systems.

LD2985AM15R can convert input voltages up to 15V and provides a fixed or adjustable output voltage, strictly regulating the output with a very low line regulation of 0.2%. Uniquely, it has an adjustable under-voltage lockout (UVLO) and over-voltage protection (OVP) to increase system safety. Additionally, it is equipped with internal thermal protection (ITP), which enhances system reliability. Its low temperature coefficient ensures it can effectively handle temperature variations.

The working principle of LD2985AM15R is simple but effective. In order to regulate the output voltage, it acts as a resistor-divider across its input and output, passing current through a regulating device known as a feedback transistor. The voltage across this transistor is compared with an internal reference voltage, and the error signal is then amplified to adjust the output voltage accordingly. Since the output voltage is adjusted by the output current, the output voltage remains constant under all circumstances.

The LD2985AM15R is a low-noise, stable and efficient linear voltage regulator. It ideal for applications where low quiescent current, power efficiency and long life are desired. It also provides users with increased programmability, allowing it to be configured for a variety of applications including battery-powered systems, low-voltage regulators, low-cost AC/DC converter, and more. Its under-voltage lockout and over-voltage protection features boost system safety, and its low temperature coefficient enhances system reliability.

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