LTC3614EUDD#TRPBF

Voltage - Output (Min/Fixed):	0.6V
Base Part Number:	LTC3614
Supplier Device Package:	24-QFN (3x5)
Package / Case:	24-WFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	300kHz ~ 4MHz
Current - Output:	4A
Voltage - Output (Max):	5.5V
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	2.25V
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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The LTC3614EUDD#TRPBF is a highly efficient, low power, multi-output power solution that is part of a broad range of high performance DC-DC switching regulators offered by Linear Technology. Designed to provide multiple-supply power solutions in compressed power systems, such as in mobile and embedded applications, the LTC3614EUDD#TRPBF is a robust and reliable DC-DC converter that has been designed for excellent efficiency over a wide range of input and output conditions.At the core of the LTC3614EUDD#TRPBF is a highly accurate, high bandwidth current mode controller which provides outstanding current regulation over a wide input and output range from 1.8V to 6V or ±4.5V to ±18V. This excellent performance allows for the use of low cost, small ceramic output capacitors, and minimal internal power losses due to the low I2R losses in the components. The wide input and output range makes the LTC3614EUDD#TRPBF suitable for a variety of applications, including use in distributed power systems which require low power, higher output voltage and low noise.The LTC3614EUDD#TRPBF can support both step down and step up regulator an application, with an adjustable output and external synchronous rectification, which allows for high efficiency over a wide range of duty cycles, enabling it to achieve efficiency levels of up to 96%. Other features of the LTC3614EUDD#TRPBF include an adjustable output regulation loop, which allows for any desired output voltage range and supports both single-ended and differential connection schemes; overvoltage, undervoltage and thermal protection, which provide additional protection from harmful errors and potential damage; and output current monitoring, which allows for the detection and protection against excessive current conditions.The LTC3614EUDD#TRPBF is particularly well suited for use in applications such as distributed power systems, local and remote battery charging systems, motor control, and complex power supply systems that require multiple voltages at the same time. Its low power, low overall noise and high efficiency makes it suitable for use in mobile and embedded applications such as PDAs, cell phones and wearable electronics.The working principle of the LTC3614EUDD#TRPBF lies in its ability to switch between its input voltage and a regulated output voltage. When the input voltage is greater than the regulated voltage, the high side of the power switch is conductive while the low side is tied to ground. This allows the current to flow from the input to the output and the regulator operates in step-down mode. When the output voltage is greater than the input voltage, the low side of the power switch is conductive while the high side is tied to the input voltage. This allows current to flow from the output to the input and the regulator operates in step-up mode. Thus, the LTC3614EUDD#TRPBF is able to regulate both the input and output voltages, providing a reliable and efficient power solution.

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