LTC3118EUFD#TRPBF

Voltage - Output (Min/Fixed):	2V
Base Part Number:	LTC3118
Supplier Device Package:	24-QFN (5x4)
Package / Case:	24-WFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	1.2MHz
Current - Output:	2A
Voltage - Output (Max):	18V
Series:	--
Voltage - Input (Max):	18V
Voltage - Input (Min):	2.2V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck-Boost
Output Configuration:	Positive
Function:	Step-Up/Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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<p>The LTC3118EUFD#TRPBF is an extremely efficient, synchronous step-up DC/DC converter with internal power MOSFET. Its unique bidirectional topology enables it to generate a regulated output from an input voltage much lower than the output voltage. This extremely versatile device features adjustable Output voltage, programmable soft-start up and down, and multiple enable options for low-noise, high-voltage operation.</p><p>The device operates over a wide input voltage range of 0.8 V to 42 V (60 V surge). The output voltage can be programmed with external resistor divider. An external capacitor connected to the VIN pin is used to set the switching frequency which can be adjusted in a range of 600 kHz to 2.2 MHz. The current limit and device protection are provided through the integrated current-sense amplifier and a fast power MOSFET. A high side N-channel MOSFET with a source voltage up to 40 V can be used as the switching element.</p><p>The LTC3118EUFD#TRPBF features several features that are common in power management integrated circuits (PMICs) for different application fields. It has a clock output for supporting multiple regulators in the system. There is a pin for setting the voltage of the input/output switching regulator. The device also has built-in adjustable voltage regulation that helps in optimizing the system\'s performance. For low-noise applications, there is an adjustable soft start capability with an optional programmable ramp rate. Finally, there is an enable pin that helps in disabling the IC under certain conditions like when the output voltage reaches its upper limit.</p><p>The device has an adjustable voltage loop that helps in optimizing the system\'s performance. There is an onboard voltage tracking voltage regulator which tracks the exiting voltage and adjusts the output voltage to stay within the desired range. The device also has a current-sense amplifier that helps to monitor the current draw from the system. The built-in MOSFET enables the device to be used in high voltage (up to 60V) applications.</p><p>The LTC3118EUFD#TRPBF has several applications due to its versatile design. It can be used in point-of-load converters, microprocessor power supplies, motor control systems and automotive systems. Other applications include solar panel voltage regulation, battery chargers, mobile phone power management and secondary power supplies. It can also be used in distributed power systems, telecom systems, and digital signals processing (DSP) systems.</p><p>The working principle of the LTC3118EUFD#TRPBF is based on the MOSFET-style bidirectional current flow to step up input voltage to higher output voltage. It consists of a switching transistor and a current-limiting transistor, which functions as the voltage regulator. It also has an internal VREF for setting the output voltage. The current-limiting transistor is connected to the common pin (NB) of both transistors, and controls the peak current through the switching transistor. The internal MOSFET is capable of driving up to 30 A of peak current and up to 8 A of mixed-mode continuous current.</p><p>The LTC3118EUFD#TRPBF is a PMIC (Power Management Integrated Circuit) designed for voltage regulation and power management in high-voltage applications. The device is ideal for applications that require a wide input voltage range and excellent switching efficiency as it can provide up to 40V and 70% efficiency when operating in normal conditions. It has various features, such as adjustable soft-start, programmable voltage loop,and built-in current sense amplifier, that help make it suitable for a variety of applications. The device is DC-DC and is a part of the Voltage Regulators - DC DC Switching Regulators family.</p>

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