LT3753HFE#TRPBF

Frequency - Switching:	100kHz ~ 500kHz
Base Part Number:	LT3753
Supplier Device Package:	38-TSSOP-EP
Package / Case:	38-TFSOP (0.173", 4.40mm Width), 31 Leads, Exposed Pad
Operating Temperature:	-40°C ~ 150°C (TJ)
Control Features:	Frequency Control, Soft Start
Serial Interfaces:	--
Clock Sync:	Yes
Synchronous Rectifier:	Yes
Duty Cycle (Max):	--
Series:	--
Voltage - Supply (Vcc/Vdd):	8.5 V ~ 100 V
Output Phases:	1
Number of Outputs:	1
Topology:	Forward Converter
Output Configuration:	Positive, Isolation Capable
Function:	Step-Up/Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The LT3753HFE#TRPBF is a high-efficiency DC-DC controller designed to power microprocessors, memory, and other critical components in a variety of applications. It is a high-performance, cost-effective controller that offers both step-down and step-up operation to effectively deliver power from a source operating from 3V to 18V. With its high-efficiency and wide input range, the LT3753HFE#TRPBF is a great choice for system designs that require small form factor and low power consumption.

Application Field

The LT3753HFE#TRPBF is suitable for a wide range of applications including notebooks, PDAs, PDAs, and other portable devices. It works well with both digital and analog circuits and is capable of delivering up to 25A of regulated voltage. It is designed to improve the overall system efficiency, reduce power consumption, and increase system performance.The LT3753HFE#TRPBF can also be used in automotive applications, where it is often used as an alternative to a switching power supply in automotive infotainment systems. This is due to its extremely low power consumption and wide input range. It is also suitable for LED lighting applications due to its high-efficiency and low power consumption.

Working Principle

The LT3753HFE#TRPBF is a pulse width modulation (PWM) controller that provides regulated output voltage from an input voltage source of up to 18V. The controller will monitor the input voltage and output voltage and make adjustments to keep the output voltage at the desired level. The PWM controller also has integrated over-temperature protection, as well as a programmable output voltage limit.The LT3753HFE#TRPBF controller has an adjustable switching frequency from 50 kHz up to 1 MHz and a maximum output current of 25A. The output voltage can be adjusted from a minimum of 0.198V up to a maximum of 18V, with an accuracy of ±1%. The controller also has a low quiescent current draw of only 5µA, making it ideal for low-power applications.

Conclusion

The LT3753HFE#TRPBF is a high-efficiency DC-DC controller designed to provide regulated power to microprocessors, memory, and other critical components in a variety of applications. It is suitable for use in notebooks, PDAs, and other portable devices, as well as in automotive infotainment systems and LED lighting applications. The LT3153HFE#TRPBF has adjustable switching frequency from 50 kHz up to 1 MHz and a maximum output current of 25A. It also has a low quiescent current draw of only 5µA, making it an ideal choice for low-power applications.

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