LTC3548EKD-1#TRPBF

Voltage - Output (Min/Fixed):	1.575V, 1.8V
Base Part Number:	LTC3548
Supplier Device Package:	10-UTDFN (3x3)
Package / Case:	10-UFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	2.25MHz
Current - Output:	700mA, 1.2A
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	2.5V
Number of Outputs:	2
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PMIC - Voltage Regulators - DC DC Switching Regulators

The LTC3548EKD-1#TRPBF is an advanced DC–DC switching regulator that features an integrated dual output switch mode controller and power FETs. It sets a new standard for performance, with higher switching frequency and integration for a wide range of power topologies, including synchronous buck-boost, inverting, forward and flyback. In addition, it provides enhanced system protection and flexibility, thanks to its integrated high-performance current limit, thermal shutdown and margin signal, under-voltage lockout, and soft-start options.The LTC3548EKD-1#TRPBF has a wide operating range of 4.75V to 20V. The adjustable output voltage range is 4.75V to 17.25V. The device offers a high efficiency of up to 95%, with both high- and low-side integrated power FETs driven by their own charge pumps. This device has a pulse-width-modulation (PWM) switching frequency of up to 1.2MHz, and is designed to operate in both continuous (DCM) and discontinuous (DCM-skip) modes to reduce noise and improve power density.The LTC3548EKD-1#TRPBF is a versatile, highly integrated device that is ideal for powering point-of-load converters in a variety of applications. It is capable of supplying up to 10A of output current and provides high current limit accuracy due to its dual power-stage architecture. It is also well-suited for powering advanced communications and computing systems, as well as powering a wide range of industrial and consumer applications.In its basic form, the LTC3548EKD-1#TRPBF is designed to generate an output voltage regulated across a wide range of load conditions. Its switching action is controlled by a built-in voltage regulator (VREG) circuit, which monitors the output voltage relative to a reference. When the output voltage exceeds the set limit, the VREG circuit causes the switch to turn off, thus limiting the output voltage. When the output voltage drops to the lower limit, the VREG circuit causes the switch to turn on again and restore the output voltage. This form of voltage regulation is known as “flyback” or “loop” regulation.The LTC3548EKD-1#TRPBF is also capable of providing a higher degree of regulation accuracy with the addition of an external voltage reference. This voltage reference is used to provide an exact fixed voltage reference across different load and line conditions. By providing an exact voltage reference, the device can more accurately regulate an output voltage that is precisely set.The LTC3548EKD-1#TRPBF is an ideal solution for creating a variable-frequency, wide-range, high-efficiency switching regulator that is capable of supplying the required current level for a variety of applications. Its high level of integration and configurability makes it an optimal choice for a wide range of applications ranging from consumer electronics to industrial, as well as for powering point-of-load converters in communications and computing systems. In addition, its flexibility and wide operating range allows it to be used in many different applications.

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