LMR10520YSD/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:	3MHz
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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Introduction to the LMR10520YSD/NOPB

The LMR10520YSD/NOPB is a DC-to-DC switching regulator designed to provide robust, efficient and reliable power solutions for highly demanding applications. It falls within the DC-DC switching regulator category of PMIC (Power Management IC) devices and is designed to convert input voltage sources into a different output voltage.

Key Features of the LMR10520YSD/NOPB

The LMR10520YSD/NOPB features an integrated low-voltage linear regulator for system level low noise operation, high-efficiency operation and advanced current-mode control for superior transient response. Additionally, it also features an ultra-low-noise and low-dropout regulator for improved system performance, as well as an adjustable-current limit for overload protection, extended standby operation and increased system efficiency.

Application Fields

The LMR10520YSD/NOPB is suitable for a wide range of applications, predominately in industrial, medical and aerospace systems. Common applications fields of use include:

• High power converters
• Power over Ethernet solutions
• High-Current Point-of-Load (POL) converters
• High-Output Voltage Translators
• Solar Panel energy management systems
• Power supply circuits for sensitive electronics

Working Principle and Performance Parameters

The LMR10520YSD/NOPB is a non-synchronous, buck-boost regulator with an internal high-side and low-side MOSFETs. It has a typical switching frequency of 2MHz with an adjustable switching frequency from 500kHz to 6MHz. The device can provide a high continuous current of up to 5A and an output voltage range of 0.75V to 22V. The advanced current mode control enables the LMR10520YSD/NOPB to provide programmable switching frequency and fast transient response. The advanced current limit feature enables the regulator to provide overload protection and extended system efficiency. The low voltage linear regulator enables improved performance over other switching regulators and the current sense amplifier helps to provide accurate current limiting.

Conclusion

The LMR10520YSD/NOPB is a high-performance DC-to-DC switching regulator designed to provide robust and reliable power solutions for a wide range of applications. It features an integrated low-voltage linear regulator, ultra-low-noise and low-dropout regulator, adjustable-current limit for overload protection, extended standby operation and increased system efficiency. By combining a non-synchronous buck-boost design with an adjustable switching frequency and an advanced current-mode control, the LMR10520YSD/NOPB provides an efficient and reliable power solution for industrial, medical and aerospace systems.

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