LM5017MR/NOPB

Voltage - Output (Min/Fixed):	1.225V
Base Part Number:	LM5017
Supplier Device Package:	8-SO PowerPad
Package / Case:	8-PowerSOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	Adj to 1MHz
Current - Output:	600mA
Voltage - Output (Max):	90V
Series:	--
Voltage - Input (Max):	100V
Voltage - Input (Min):	7.5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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LM5017MR/NOPB Application Field and Working Principle

The LM5017MR/NOPB is a synchronous step-down DC-DC converter that operates with an adjustable switching frequency that can be configured up to 2.25MHz. It is part of the Power Management Integrated Circuit (PMIC) family and is a type of DC-DC switching regulator. This regulator is designed to convert a variable input voltage into a regulated output voltage while providing high efficiency and large output currents.The synchronous architecture of the LM5017MR/NOPB allows for a much smaller device compared to traditional linear regulators. Furthermore, the switching frequency can be adjusted for improved system noise suppression and optimum efficiency. The maximum operating input voltage is 40V and the output voltage can be adjusted from 0.8V to 10V, allowing for a wide range of uses. The maximum output current is up to 3A.Due to its outstanding performance, the LM5017MR/NOPB has been designed for various applications in the industrial, aerospace, computing, and communications markets. For example, it can be used for automotive infotainment systems, motor control, and distributed power architectures. The device also works well for handheld and battery-powered products.The LM5017MR/NOPB provides several features to optimize its output. It includes high-frequency switching, cycle-by-cycle current limit, and thermal shutdown. Additionally, the device is equipped with protection features such as hiccup mode over-current protection, over-voltage protection, and UVLO. The device also includes a power good indicator and power-on reset. The device works based on the principle of pulse-width modulation, commonly known as PWM. This principle works by using a power switch, such as a MOSFET, to control the output current. It has an adjustable onboard comparator that constantly compares the output voltage to a reference voltage. When the output voltage is higher than the reference voltage, the comparator turns off the power switch, which stops current flow and limits the output voltage. The power switch then turns on once the output voltage falls below the reference voltage and starts current flow once again, thus regulating the output current. In summary, the LM5017MR/NOPB is a synchronous step-down DC-DC converter designed for use in a wide range of applications. It operates with an adjustable switching frequency up to 2.25MHz and can be used for applications like automotive infotainment systems, motor control, and distributed power architectures. The device operates based on the principle of PWM and offers a range of features to ensure optimal performance.

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