LTC3672BEDC-2#TRPBF

Voltage/Current - Output 3:	1.8V, 150mA
Base Part Number:	LTC3672
Supplier Device Package:	8-DFN (2x2)
Package / Case:	8-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply:	2.9 V ~ 5.5 V
w/Sequencer:	No
w/Supervisor:	No
w/LED Driver:	No
Series:	--
Voltage/Current - Output 2:	2.8V, 150mA
Voltage/Current - Output 1:	1.2V, 400mA
Frequency - Switching:	2.25MHz
Number of Outputs:	3
Function:	Any Function
Topology:	Step-Down (Buck) Synchronous (1), Linear (LDO) (2)
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The LTC3672BEDC-2#TRPBF from Linear Technology is a 3A dual low dropout (LDO) linear regulator with integrated Power Path technology and a programmable high-side power MOSFET switch, allowing for seamless transition between battery and system power sources by quickly and safely switching in and out of battery mode at zero voltage transition (ZVT). The regulation of the LTC3672BEDC-2#TRPBF is excellent, with a ±2% accuracy over the operating temperature range, making it ideal for applications where high output voltage accuracy is essential. The device is offered in a small 5mm x 5mm 16-lead QFN package, as well as an 8-lead thermally-enhanced Ohmic DFN package, making it suitable for use in both industrial and consumer applications.

Application Field and Working Principle

The LTC3672BEDC-2#TRPBF from Linear Technology is suitable for a wide range of applications, including consumer electronics, industrial systems, and medical devices, due to its integrated Power Path technology and programmable high-side power MOSFET switch. The LTC3672BEDC-2#TRPBF allows for seamless transition between battery and system power sources by quickly and safely switching in and out of battery mode at zero voltage transition (ZVT).The device features two independent LDOs which can each be used to supply up to 3A of output current. The LDOs can be programmed to any desired output voltage, with an accuracy of ±2%. The device comes with built-in protections including electrical overstress (EOS) protection, short circuit protection and thermal shutdown protection, making it suitable for a wide variety of applications.The integrated power MOSFET switch allows for the smooth transition between battery and system power sources, enabling the device to quickly switch in and out of battery mode at ZVT. The switch is programmable and can be used to automatically switch the device between battery and system power sources when certain conditions are met. In addition, it features a status pin which can be used to detect when the device is in battery or system mode.The LTC3672BEDC-2#TRPBF is also an ideal solution for low-power applications, as it can operate at a fraction of the power consumption of a traditional buck regulator. The device consumes less than 100nA of current when in standby mode, making it an energy-efficient choice for applications with intermittent or limited usage.

Conclusion

The LTC3672BEDC-2#TRPBF from Linear Technology is an ideal solution for applications where high voltage accuracy and low power consumption are essential. The device is suitable for a wide range of applications, from consumer electronics to industrial systems, due to its integrated Power Path technology and programmable high-side power MOSFET switch. The device can provide up to 3A of output current with an accuracy of ±2%. In addition, it features built-in overcurrent, short-circuit, and thermal protection, making it a safe and reliable choice for many different applications.

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