LTC3374AHUHF#TRPBF

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 ~ 150°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:	Tape & Reel (TR)

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Introduction to LTC3374AHUHF#TRPBF

The LTC3374AHUHF#TRPBF is an integrated DC-DC Step-Down Switching Regulator with Sequencing, Tracking, and Margining. Designed to meet the needs of fast-growing computing and gaming applications, the high step-down efficiency of the LTC3374AHUHF#TRPBF is suitable for applications that require accurate voltage tracking, simple system sequencing, and fast response times. With integrated power management, this device is able to monitor and control the power delivery to multiple processors and memory.

Features of the LTC3374AHUHF#TRPBF

The LTC3374AHUHF#TRPBF is an advanced DC-DC Buck Regulator with integrated sequencing, tracking and margining capabilities. It integrates an inductor, FET and power MOSFET in a tiny 6mm x 6mm surface mount package. The device also includes a digital control engine and a distinct onboard power management system which includes a configurable tracking and margining circuitry to ensure tight voltage accuracy and sufficient system stability. It also incorporates a Digital XORed Tracking window, enabling digital control over the output voltage. Additional features include 4-bit PMBus Digital Interface with access to internal device status and configuration registers, hysteretic ultra-fast dynamic response with spread spectrum synchronization, low ripple of <1mV and 65mV over-current and short circuit protection.

How does the LTC3374AHUHF#TRPBF work?

The LTC3374AHUHF#TRPBF Buck Regulator is designed for processing power in fast-growing computing and gaming environments. The device integrates an inductor and two MOSFETs (low-side and high-side) to conduct a high-efficiency DC-DC step-down conversion. It operates using a hysteretic current-mode control principle, in which it senses the current between two consecutive switching cycles, and adjusts the output voltage accordingly.The device employs spread spectrum synchronization to ensure a stable output even when switching at high frequencies. The LTC3374AHUHF#TRPBF regulates its output voltage based on the voltage setting of the external DAC. The internal control logic in the converter maintains a safe headroom to ensure safe operation at light loading conditions.

Applications of the LTC3374AHUHF#TRPBF

The LTC3374AHUHF#TRPBF Buck Regulator is suitable for various high performance computing, memory and gaming applications. It is well-suited for point-of-load (POL) regulators for Intel and AMD CPUs/GPUs and DDR memories. The device is also used in low power applications such as printers, DVRs and other embedded applications. The LTC3374AHUHF#TRPBF is precision programmable and suitable for applications in which tight voltage regulation is required. Its precise tracking capability and low profile package make it an ideal device for powering high-performance CPUs and memory components. Its fast response times and precise sequencing allow the device to be used in time-critical applications.

Conclusion

The LTC3374AHUHF#TRPBF is a DC-DC Step-Down Switching Regulator with Sequencing, Tracking, and Margining. It is a compact and highly-efficient solution for next-generation computing applications, featuring advanced digital power management, 4-bit PMBus Digital Interface, and precise tracking and margining circuitry. With its precise programming and tight voltage regulation capabilities, the LTC3374AHUHF#TRPBF is ideal for powering high-performance CPUs and memory components in high-performance computing applications.

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