LT3800IFE#TRPBF

Frequency - Switching:	200kHz
Base Part Number:	LT3800
Supplier Device Package:	16-TSSOP-EP
Package / Case:	16-TSSOP (0.173", 4.40mm Width) Exposed Pad
Operating Temperature:	-40°C ~ 125°C (TJ)
Control Features:	Enable
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	--
Series:	--
Voltage - Supply (Vcc/Vdd):	4 V ~ 60 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive or Negative
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The LT3800IFE#TRPBF is a highly integrated DC–DC controller designed for high efficiency, small size, and low system cost in high power industrial power systems. It provides excellent transient response with current mode or voltage mode control. It is also able to operate from an input voltage range of 5V-200V.In voltage mode, the part features a current mode feedback loop and an improved soft-start for better load regulation. In current mode, the feedback loop provides a constant voltage output regardless of load. The part also includes protection features such as programmable overvoltage protection and overcurrent protection, as well as optional hysteretic thermal shutdown.

Application Field

The LT3800IFE#TRPBF provides a high level of integration and optimum control capabilities, making it an ideal solution for high power industrial applications. This includes applications such as servers, telecommunications power supplies, data storage systems, and network infrastructure. It is also well suited for communications equipment and other high power industrial applications where high efficiency, small size, and low system cost are required.

Working Principle

At its core, the LT3800IFE#TRPBF works by regulating the voltage on its output. The device takes an incoming voltage from a DC power source and is able to step it up or step it down based on the setpoint programmed into the device. The regulation occurs through a feedback loop and a control loop. The control loop monitors the output voltage and commands the switches to control the output voltage. The switches are typically either MOSFETS or bipolar transistors. The feedback loop is then used to continuously adjust the output voltage in order to maintain the desired voltage.The LT3800IFE#TRPBF also includes many protections that are essential in preventing damage to the device and system components. These include overvoltage protection, overcurrent protection, and hysteretic thermal shutdown.

Conclusion

The LT3800IFE#TRPBF is an excellent solution for high power industrial applications. It is suitable for applications such as servers, telecommunications power supplies, data storage systems, and network infrastructure. It provides excellent transient response with current mode or voltage mode control along with protection features such as programmable overvoltage protection and overcurrent protection. With its high level of integration and optimum control capabilities, it provides a high efficiency, small size, and low system cost that make it an ideal choice for high power industrial applications.

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