LMR10520XSDX/NOPB

Voltage - Output (Min/Fixed):	0.6V
Base Part Number:	LMR10520
Supplier Device Package:	6-WSON (3x3)
Package / Case:	6-WDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	1.6MHz
Current - Output:	2A
Voltage - Output (Max):	4.5V
Series:	SIMPLE SWITCHER®
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	3V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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IntroductionThe LMR10520XSDX/NOPB is a synchronous rectified buck regulator designed to maintain a constant output voltage regardless of load changes, and provide up to 5A current with an input voltage range of 3.5 – 24V. It integrates a voltage reference, adjustable power stage, synchronous rectifier, thermal protection, and output over-voltage protection. It is capable of providing a wide range of output voltages such as stepped-down DC from input voltage, as well as adjustable voltage outputs. The LMR10520XSDX/NOPB ensures high efficiency and Thermal performance making it suitable for a range of applications, including automotive, industrial, and consumer electronics.Application FieldThe LMR10520XSDX/NOPB is primarily used in Point of load (POL) applications. These could be step-down regulators, LED lighting, DC-DC converters, telecom and automotive applications, processor cores and memory supplies, as well as server, storage, and instrumentation.In automotive applications, the LMR10520XSDX/NOPB can be used to regulate and control the power output of the electrical systems. These could include regulating the 12V and 5V power output of lane definition systems, light-emitting diodes (LEDs) powering interior and exterior lighting, and power entry point (EPP) control systems.In industrial applications, the LMR10520XSDX/NOPB can be used to produce power from a variety of sources, such as an AC line, a DC source, or a battery pack. It is also suitable for applications where power is constantly converted from one source to another, such as a server or storage device.The LMR10520XSDX/NOPB is also suitable for consumer electronics applications. It can be used to regulate and control the power output of a variety of devices such as televisions, gaming consoles, DVD players, and computers.Working PrincipleThe LMR10520XSDX/NOPB operates on the synchronous buck topology, which is a type of DC-DC regulator. This topology can be used to make a step-down converter that takes power from an input voltage and reduces it to a required output voltage. In the LMR10520XSDX/NOPB, an internal circuit that regulates how much current is allowed to flow into the switch is used to protect it from overheating, and obtain the best performance from the power stage. This is done by monitoring the switch current and maintaining the average current in the switch by adjusting the duty cycle of the switching cycle. The integrated buck circuit also includes a synchronous rectifier to reduce power losses associated with the traditional Schottky or Diodes used in flyback circuits. This allows for higher efficiency and improved thermal performance. In addition, the LMR10520XSDX/NOPB includes a voltage reference, thermal protection, and an adjustable power stage to provide accurate, reliable output voltage and current regardless of load changes. ConclusionThe LMR10520XSDX/NOPB is a synchronous rectified buck regulator designed to maintain a constant output voltage regardless of load changes. It is designed to be used in Point of load (POL) applications, such as LED lighting, DC-DC converters, automotive, server and storage, and instrumentation. The LMR10520XSDX/NOPB implements the synchronous buck topology, which regulates the input current and maintains the average current in the switch through duty cycle adjustments. It is equipped with a synchronous rectifier to reduce power losses, as well as a voltage reference, thermal protection, and an adjustable power stage to provide reliable output voltage.

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