LT8611EUDD#PBF

Voltage - Output (Min/Fixed):	0.97V
Base Part Number:	LT8611
Supplier Device Package:	24-QFN (3x5)
Package / Case:	24-WFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	200kHz ~ 2.2MHz
Current - Output:	2.5A
Voltage - Output (Max):	40V
Series:	--
Voltage - Input (Max):	42V
Voltage - Input (Min):	3.4V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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Introduction to LT8611EUDD#PBF

The LT8611EUDD#PBF is a DC to DC switching regulator that is a highly integrated synchronous high-side / low-side buck converter with integrated MOSFET circuitry. It has an input voltage range of 4V to 17V and provides a maximum output of 24 V and a maximum output current of 1A. It is available in the package sizes 8-SOIC (8-pin small outline package) and 8-DFN (8-pin, dual flat no-lead). It is programmable with the following features: over-voltage protection, current-limit protection, an adjustable output voltage, thermal protection, and under-voltage lockout. These features are all integrated into the device, making it easy to configure and use. This device also features a low profile, small size, and low power dissipation.

Application Fields

The LT8611EUDD#PBF is suitable for a wide range of applications in the portable medical, industrial and consumer electronics fields, where space and power dissipation are of paramount concern. These applications include cell phones, digital cameras, camcorders, MP3 players, LCD televisions, and gaming consoles, among other devices. The device can also be used in applications that require higher voltages than the 24 V maximum, such as automotive and aviation systems.In addition to its application in portable devices, the LT8611EUDD#PBF can also be used in charging applications, such as fast charging and battery charging/conditioning. The device can also be used in industrial automation, robotics, and motor control, as well as any other application that requires a very small, highly-efficient DC-DC converter.

Working Principle

The LT8611EUDD#PBF operates by converting an input voltage to a regulated output voltage by controlling the current flow through the internal MOSFET circuitry. The device has integrated high-side/low-side synchronous MOSFETs, a voltage regulator, and a current-sensing circuit.The LT8611EUDD#PBF is an integrated current-mode switching regulator that uses Pulse Width Modulation (PWM) to provide high efficiency and excellent line and load regulation. The PWM operation allows the converter to deliver high output currents and low output voltages. In addition, the device utilizes adaptive on-time control and pulse frequency modulation to further improve system efficiency and stability.The device also has integrated protection circuitry to protect both the converter and the load from fault conditions such as over-voltage, under-voltage, over-current, and over-temperature.

Conclusion

The LT8611EUDD#PBF is an ideal choice for applications where space and low power dissipation are key. Its compact size, low power consumption, and high performance make it suitable for a variety of applications. It’s integrated protections and its ease of use make it an attractive option.

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