LTC3111MPDE#TRPBF Integrated Circuits (ICs)

Voltage - Output (Min/Fixed):	2.5V
Base Part Number:	LTC3111
Supplier Device Package:	14-DFN (4x3)
Package / Case:	14-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	800kHz
Current - Output:	1.5A
Voltage - Output (Max):	15V
Series:	--
Voltage - Input (Max):	15V
Voltage - Input (Min):	2.5V
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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LTC3111MPDE#TRPBF Application Field and Working Principle

The LTC3111MPDE#TRPBF is an advanced High Efficiency Step-Down DC/DC Converter. It is categorized under PMIC - Voltage Regulators - DC-DC Switching Regulators. This switch mode step-down is a monolithic DC/DC converter that requires very few external components, making it an ideal choice for applications that require a simple, efficient, low-cost power solution. The LTC3111MPDE#TRPBF delivers up to 4A of continuous output current at output voltages down to 0.8V. The device offers excellent efficiency over a wide input voltage range from 4.5V to 32V.The working principle of the LTC3111MPDE#TRPBF is based on pulse width modulation (PWM). When the input voltage is applied, the PWM controller adjusts the duty cycle of the switching signal which controls the power transistor. This provides a stable output voltage with a minimum of external components. The device features a synchronous rectifier to reduce switching loss and improve efficiency.The LTC3111MPDE#TRPBF has several features that make it an ideal choice for a variety of applications. It offers an output voltage range of 0.8V to 5V with no additional components required. The device also features an adjustable soft-startup current limit, which helps reduce inrush currents when power is applied to the circuit. It is rated to operate over a temperature range of -40°C to 125°C, making it suitable for operation in most environmental conditions. Lastly, the device offers a built-in over-temperature protection circuit to protect the device in the event of an excessive temperature rise.The LTC3111MPDE#TRPBF is a versatile and highly efficient DC/DC converter that can be used for a wide range of applications, including industrial, consumer, medical, automotive and telecom/datacom. It is suitable for powering low voltage circuitry from a wide range of input voltages, as well as applications requiring hot plugging and adaptive power management.In summary, the LTC3111MPDE#TRPBF is an advanced High Efficiency Step-Down DC/DC Converter. The device offers excellent efficiency over a wide input voltage range from 4.5V to 32V. It offers adjustable soft-startup current limit and is rated to operate over a temperature range of -40°C to 125°C, making it suitable for operation in most environmental conditions. The device also offers built-in over-temperature protection circuit to protect the device in the event of an excessive temperature rise. The LTC3111MPDE#TRPBF is an ideal choice for many applications, including industrial, consumer, medical, automotive, and telecom/datacom.

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