LM2611BMFX

Voltage - Output (Min/Fixed):	-1.23V
Base Part Number:	LM2611
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	1.4MHz
Current - Output:	1.2A
Voltage - Output (Max):	-22V
Series:	--
Voltage - Input (Max):	14V
Voltage - Input (Min):	2.7V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Cuk
Output Configuration:	Negative
Function:	Step-Up/Step-Down
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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The LM2611BMFX is a high power DC/DC synchronous buck voltage regulator, designed for applications that require precise and fast control of output voltage. It can deliver up to 25A and offers a wide output voltage range of 0.6V to 12V. With its fast transient response, it can quickly work with changing current, voltage and power requirements. Furthermore, it has a high resolution trimming range of +/- 0.5%, giving it a precision control over output regulation.
The LM2611BMFX has a wide input voltage range, allowing it to be used with 2V to 36V sources. This makes it an excellent choice for applications that require efficient conversion of different source voltages. By utilizing the internal cascaded controller and synchronous MOSFETs, it can achieve up to 90% efficiency. As with most high power controllers, the LM2611BMFX also comes with integrated EMI and ESD protection, making it suitable for use in medical and industrial applications.
The LM2611BMFX has two operating modes: the first is a voltage mode control and the second is a current mode control. In voltage mode, the LM2611BMFX can be configured to work with a programmed output voltage, as well as an adjustable resistor for increasing or decreasing the output regulation accuracy. On the other hand, in current mode, it can be programmed to deliver from 0.1A to 25A of output current. This mode is useful for applications where the output current needs to be precisely controlled.
The LM2611BMFX is equipped with a host of features, such as thermal protection, undervoltage lockout (UVLO), and overvoltage protection (OVP). These features are necessary for reliable operation in demanding environments. Additionally, it also provides various options for current limiting, such as output current limit and peak current limit. This ensures that the device will not be overstressed or damaged under high-current load conditions.
In conclusion, the LM2611BMFX is a highly versatile DC/DC synchronous buck voltage regulator. With its wide operating voltage range, fast transient response, and the ability to work with various source voltages, it is perfect for applications that require precise and efficient power conversion. Moreover, its integrated EMI and ESD protection and current limiting features make it suitable for use in medical and industrial designs.

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