LMR10515XSD/NOPB

Voltage - Output (Min/Fixed):	0.6V
Base Part Number:	LMR10515
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:	1.5A
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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What is LMR10515XSD/NOPB?

LMR10515XSD/NOPB is a type of DC-DC switching regulator from Texas Instruments (TI). It is part of the company\'s Power Management Integrated Circuit (PMIC) Series that specializes in voltage regulators. DC-DC switching regulators are used to convert a given DC current to a variable voltage or current output, and this particular device is a high-efficiency, DC-DC buck switching regulator that can provide up to 5A of output current in space-constrained applications.

Application Field

LMR10515XSD/NOPB finds application in scenarios requiring efficient power supply solutions. This includes industrial, networking and portable electronics, where tight space and power constraints define the operational conditions. TI provides several accessories and drivers that can benefit such systems and the LMR10515XSD/NOPB is one of the more popular models.The device is ideal for various devices, including:

• Clocks
• Televisions
• Printer/MFPs (Multi-Function Devices)
• DSL Routers
• Small Household Appliances
• Data Storage
• LCD Monitors
• Tablets

Working Principle

The working principle of a LMR10515XSD/NOPB consists of an internal PWM control circuitry that is used to regulate its output voltage. The PWM control elements of the device are connected to the base of a transistors that acts as a MOSFET switch and enables the device to handle up to 5A of load current.When current is sent to the input of the device, the MOSFET switch shifts between the high and low states, allowing pulses of current to enter the output at a steady, regulated frequency, thus maintaining an output voltage that is close to that of the input voltage.To ensure optimum performance, the LMR10515XSD/NOPB also features an integrated compensation circuit, as well as voltage protection circuitry to prevent over-voltage and short-circuit conditions.

Conclusion

LMR10515XSD/NOPB from Texas Instruments is a DC–DC switching regulator designed specifically for space-constrained applications. Its integrated MOSFET switch, PWM circuitry, compensation circuit and voltage protection provide the device with a high degree of efficiency and reliability. Its output current of up to 5A make it applicable for use in many industrial, networking and portable electronics.

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