LTC3113EFE#PBF

Voltage - Output (Min/Fixed):	1.8V
Base Part Number:	LTC3113
Supplier Device Package:	20-TSSOP-EP
Package / Case:	20-TSSOP (0.173", 4.40mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	300kHz ~ 2MHz
Current - Output:	3A
Voltage - Output (Max):	5.5V
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	1.8V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck-Boost
Output Configuration:	Positive
Function:	Step-Up/Step-Down
Part Status:	Active
Packaging:	Tube

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Introduction

The LTC3113EFE#PBF is a synchronous step-down DC/DC converter designed for a wide range of applications requiring low power, high efficiency and high accuracy. This device uses a high switching frequency of up to 2.2MHz to provide an effective solution for space-constrained applications. Its wide 4.75V to 60V input voltage range covers a wide variety of input sources, including regulated and unregulated sources. It features an integrated PowerPath management system that enables seamless transition between source and battery operation, as well as load regulation for improved efficiency when connected to a battery.

Application Field and Working Principle

The LTC3113EFE#PBF is a DC/DC switching regulator IC designed to provide highly-efficient, step-down conversion of input voltages into regulated output voltages. It is designed to provide efficient and accurate step-down conversion in applications where tight output regulation, low power consumption, and efficient transfer of power from input to output are required. The integrated PowerPath controller enables seamless transition between input-adjustable and battery-load methods, and supports operation from battery sources as well as supply voltages.The LTC3113EFE#PBF can be used across a wide range of applications, such as personal computers, medical equipment, automotive systems and automotive infotainment systems. The high efficiency of the IC, which can operate up to 95%, combined with its wide input voltage range of 4.75V to 60V, provides efficient operation and low heat dissipation even when used in space-constrained applications.The converter operates by switching its internal power FETs on and off at a precise frequency determined by an external resistor. This switching action creates an AC signal from the input voltage which is then rectified and filtered to produce the regulated output voltage. This method of conversion is highly efficient, resulting in low power losses and improved output regulation.

Conclusion

The LTC3113EFE#PBF is a synchronous step-down DC/DC converter designed for a wide range of applications requiring low power, high efficiency and high accuracy. With its integrated PowerPath management system, the LTC3113EFE#PBF enables efficient transition between input and battery operation, as well as load regulation for improved efficiency when connected to a battery. With its wide input voltage range and high efficiency, the LTC3113EFE#PBF is an ideal choice for applications that require efficient, accurate and low power step-down conversion.

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