LT3667EMSE#TRPBF

Voltage/Current - Output 3:	0.8 V ~ 38.6 V, 200mA
Base Part Number:	LT3667
Supplier Device Package:	16-MSOP-EP
Package / Case:	16-TFSOP (0.118", 3.00mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply:	1.6 V ~ 45 V
w/Sequencer:	No
w/Supervisor:	No
w/LED Driver:	No
Series:	--
Voltage/Current - Output 2:	0.8 V ~ 38.6 V, 200mA
Voltage/Current - Output 1:	1.2 V ~ 38.6 V, 400mA
Frequency - Switching:	243kHz ~ 2.2MHz
Number of Outputs:	3
Function:	Any Function
Topology:	Step-Down (Buck) (1), Linear (LDO) (2)
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PMIC – Voltage Regulators – Linear + Switching: LT3667EMSE#TRPBF Application Field and Working Principle

Power Management Integrated Circuits (PMICs) are critical components in electronic systems, regulating the voltage and current in order to ensure efficient, reliable, and safe functioning of all connected components. The Linear and Switching Regulators, also known as Voltage Regulators, are an important sub-category of PMICs, as they are responsible for stabilizing and controlling the system’s power output. Among these, the LT3667EMSE#TRPBF offers a wide application range and an efficient working principle.

Application Field

The LT3667EMSE#TRPBF offers up to 2A output current, which makes it suitable for a wide range of voltage regulation applications. For example, the combination of two independent active-load or two independent current-limit output stages make it an ideal choice for building adjustable voltage systems, with adjustable current limits. This can be used in everything from small gadgets and portable electronic devices to more heavily-invested industrial instrumentation and laboratory automation platforms. The device also has overvoltage protection and thermal limiting, ensuring that the voltage regulator remains safe and functional even in the most demanding and challenging of circumstances.

Working Principle

The LT3667EMSE#TRPBF is a Linear and Switching Regulator, working on a feedback principle. This means that it constantly monitors the voltage output and automatically adjusts the current flow through the system. This enables it to deliver a stable, consistent voltage output, based on the user-defined reference voltage. This combination of Linear and Switching Regulators is also beneficial in that it minimizes power dissipation in the circuit, as it can quickly detect over-current conditions, thereby enforcing a more efficient and cost-effective performance. Furthermore, by using its dual-mode feature, it can automatically switch between linear and switching regulator modes based on the application’s demand, providing a higher output current, higher power efficiency, and power saving. Moreover, the LT3667EMSE#TRPBF is also equipped with a large variety of features that enhance the user’s comfort and convenience. These features include a slew rate-controlled soft-start, a 3MHz PWM frequency, a fast Transient Response of 2µs, and a programmable current limit.

Conclusion

The LT3667EMSE#TRPBF is a powerful Voltage Regulator from the Linear and Switching Regulators category, suitable for a wide range of applications that require efficient voltage regulation. It offers two independent active-load or two independent current-limit output stages, overvoltage protection, thermal limiting, and a slew rate-controlled soft-start, among other features. With its dual-mode feature, it can switch between Linear and Switching modes, providing maximum performance, efficiency, and power saving under any application’s conditions. In summary, the LT3667EMSE#TRPBF is one of the most versatile and powerful Voltage Regulators available in the market today.

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