LM2675M-3.3/NOPB

Voltage - Output (Min/Fixed):	3.3V
Base Part Number:	LM2675
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	260kHz
Current - Output:	1A
Voltage - Output (Max):	--
Series:	SIMPLE SWITCHER®
Voltage - Input (Max):	40V
Voltage - Input (Min):	6.5V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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IntroductionThe LM2675M-3.3/NOPB is a high-performance, space-saving DC/DC switch regulator from Texas Instruments. It is designed to provide a highly efficient, low-cost solution for applications where input voltages of 3.3V are required, making it ideal for a wide range of power supplies and portables. The device features a wide input voltage range, low RDS(on), fast transient response time and high power output capacity. It is also capable of carrying very high-current loads with minimal voltage drop.Application FieldsThe LM2675M-3.3/NOPB is primarily utilized as a DC-DC switch regulator. It is especially well-suited for applications which require a wide input voltage range, fast transient response time, efficient operation and a high current capacity, such as industrial power supplies, medical devices, point-of-sale terminals, notebook/tablets, telecom applications and many others.Additionally, it is also compatible with a wide range of fixed and adjustable output voltages, allowing for increased flexibility when designing the optimal power supply. As such, the device is suitable for applications where precise voltage control is required. Working PrincipleThe LM2675M-3.3/NOPB employs two distinct DC/DC switching regulators in order to provide high efficiency and output. The first stage is a Current Mode (CCM) buck regulator. This works by drawing power from the input source, regulating it through a resistor, and converting it to the desired output voltage.The second stage is a Synchronous Buck-Boost regulator. This operates by drawing power from the output of the buck converter and supplying it back to the input to stabilize the output current and voltage. By taking advantage of their complimentary features, the two regulators essentially provide an optimal DC/DC power solution with limited power loss.ConclusionThe LM2675M-3.3/NOPB is a high-performance, space-saving DC/DC switch regulator from Texas Instruments. It is designed to provide a highly efficient, low-cost solution for applications where input voltages of 3.3V are required, making it ideal for a wide range of power supplies and portables. The device features a wide input voltage range, low RDS(on), fast transient response time and high power output capacity. Additionally, it is capable of carrying very high-current loads with minimal voltage drop. The device utilises two distinct DC/DC switching regulators to provide an optimal DC/DC power solution with reduced power loss. As such, the LM2675M-3.3/NOPB is an ideal choice for applications across a wide range of industries, including industrial power supplies, medical devices, point-of-sale terminals, notebook/tablets, telecom applications and many others.

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