LTC3118MPUFD#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:	-55°C ~ 150°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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Introduction of LTC3118MPUFD#TRPBF

The LTC3118MPUFD#TRPBF is a high performance, low-noise, general-purpose DC/DC regulator designed for a wide variety of applications ranging from core voltage regulation for system level power management to fast charge systems, thanks to its micropower startup capability and low stand by current. It can easily meet the requirements for the power system of many home and consumer electronics, handheld devices, and portable applications and is the ideal choice for automotive, computer and communication boards.

Application Field of LTC3118MPUFD#TRPBF

The LTC3118MPUFD#TRPBF is a high-efficiency, low-noise DC/DC converter which is suitable for a variety of application fields, in particular the power system of home, consumer electronics, handheld devices, andportable applications. Since it is a general-purpose DC/DC regulator, it can meet requirements for diverse application fields, such as charger, battery, and computer and communication boards.

Working Principle of LTC3118MPUFD#TRPBF

The LTC3118MPUFD#TRPBF is a high performance DC/DC converter based on a synchronous-buck topology. At its core, it includes a synchronous rectifier, an inductor, and input capacitors to store energy from the input power source and transfer to the output.The LTC3118MPUFD#TRPBF contains a high-grade pulse-width modulated (PWM) control circuit, which is responsive to the various load conditions, output voltage, and frequency requirements for the application. Whenever it senses a change in load, it adjusts the duty cycle of the PWM back to the set voltage. This enables the LTC3118MPUFD#TRPBF to maintain a steady output voltage even under varying load conditions.Another feature of this integrated circuit is the protection circuits built-in such as protection against excessive current (overcurrent protection) and temperature (over temperature protection). It provides fault-tolerant protection that can help prevent the damage of the power system, thus protects the devices connected to the power system.The advantages of this DC/DC converter make it ideal for a wide variety of applications, where stable power supply and high performance over a wide range of load conditions are essential.

Conclusion

The LTC3118MPUFD#TRPBF is a highly efficient, low-noise, general-purpose DC/DC regulator designed for energy storage and power management systems of home and consumer electronics, handheld devices, and portable applications. Its integrated protection circuits and pulse-width modulated control circuit allow for great performance over a wide range of load conditions, thus making it the ideal choice for automotive, computer and communication boards.

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