LTC3374AIUHF#PBF

Voltage - Output (Min/Fixed):	0.8V
Base Part Number:	LTC3374
Supplier Device Package:	38-QFN (5x7)
Package / Case:	38-WFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	2MHz
Current - Output:	1A
Voltage - Output (Max):	5.5V
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	2.7V
Number of Outputs:	8
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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PMIC - Voltage Regulators - DC DC Switching Regulators

The LT3374AIUHF#PBF (LT3374) is a high-efficiency, low-voltage synchronous Step-Down converter that is integrated into a Power Management Integrated Circuit (PMIC). It works by regulating the output voltage of a power supply without altering the input voltage or current. The LT3374 is designed for applications such as portable media players, digital still cameras, Bluetooth headsets, and other portable applications requiring low-voltage and low power consumption.The LT3374 operates from an input voltage range of 3V to 18V and has an output current of up to 0.6A and frequency of up to 1.25MHz. It features a low standby current of only 20uA and a switching frequency of 1.25MHz. In addition, the LT3374 has integrated over-current protection, over-temperature shutdown, and output short-circuit protection. The LT3374 also includes proprietary Control Architecture that promises to maintain high efficiency over a wide load range, excellent transient response, low output ripple, and good EMI performance.The LT3374 is available in a 6-pin, thermally enhanced, 2mm x 2mm, 10-lead QFN package. This package helps to reduce the system size, weight, and power requirements. Furthermore, the use of a QFN package also increases the thermal performance of the LT3374, which makes it suitable for power supplies with high power density requirements.When used as a DC-to-DC Step-Down converter, the LT3374 operates on the principles of synchronous rectification, current mode control, and frequency modulation. It consists of two stages: an external Power MOSFET bridge, which alternately switches the input voltage through an inductor and two capacitors to create the desired output voltage, and the voltage feedback stage, which periodically samples the output voltage and adjusts the switching frequency to keep the output voltage at the desired level.The LT3374 is optimized for battery powered applications and can maintain high efficiency over a wide range of load currents, from discontinuous conduction mode (DCO) to continuous conduction mode (CCM). The output voltage is programmed with a single external resistor and can be adjusted from 0.6V to the input voltage. It also has integrated soft-start and power saving features that reduce the inrush current at start-up and maintain high efficiency at low loads.Overall, the LT3374AIUHF#PBF is an ideal choice for portable applications that need low power consumption and low voltage. This device features a QFN package, low standby current, low output ripple, and a wide input voltage range, making it ideal for a wide range of portable applications. Its integrated features make it very easy to use and its wide load range makes it suitable for a variety of applications. With its high efficiency and small size, the LT3374AIUHF#PBF is an excellent choice for power supplies in portable devices.

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