LTC3880IUJ-1#PBF Allicdata Electronics
Allicdata Part #:

LTC3880IUJ-1#PBF-ND

Manufacturer Part#:

LTC3880IUJ-1#PBF

Price: $ 9.32
Product Category:

Integrated Circuits (ICs)

Manufacturer: Linear Technology/Analog Devices
Short Description: IC REG CTRLR BUCK PMBUS 40QFN
More Detail: Buck Regulator Positive Output Step-Down I²C, PMBu...
DataSheet: LTC3880IUJ-1#PBF datasheetLTC3880IUJ-1#PBF Datasheet/PDF
Quantity: 356
1 +: $ 8.47350
25 +: $ 5.69344
100 +: $ 4.83878
Stock 356Can Ship Immediately
$ 9.32
Specifications
Frequency - Switching: --
Base Part Number: LTC3880
Supplier Device Package: 40-QFN (6x6)
Package / Case: 40-WFQFN Exposed Pad
Operating Temperature: -40°C ~ 125°C (TJ)
Control Features: Enable, Frequency Control
Serial Interfaces: I²C, PMBus
Clock Sync: Yes
Synchronous Rectifier: Yes
Duty Cycle (Max): --
Series: PolyPhase®
Voltage - Supply (Vcc/Vdd): 4.5 V ~ 24 V
Output Phases: 2
Number of Outputs: 2
Topology: Buck
Output Configuration: Positive
Function: Step-Down
Output Type: Transistor Driver
Part Status: Active
Packaging: Tube 
Description

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With the continuous development and progress of technology, new generations of integrated voltage regulator circuits are becoming increasingly advanced, and LTC3880IUJ-1#PBF is one of these advanced integrated devices. It can be used in a variety of different applications, particularly in applications requiring high performance, low power consumption, and accurate voltage regulation. In this article, the application fields and working principles of the LTC3880IUJ-1#PBF will be discussed.

Application Fields

The LTC3880IUJ-1#PBF can be applied as a DC-DC switching controller as well as other DC-DC controller applications. It can be used as a processor core power supply voltage regulator, particularly in a multi-core processor architecture. The LTC3880IUJ-1#PBF can also be used as a DC-DC synchronization controller, or to synchronize the switching of two or more converters with phase-lock loop (PLL) control. Additionally, it can be used as a phase-shifted full bridge (PSFB) controller, to improve the transient response of the voltage regulator and reduce the potential for sub-harmonic oscillations.

Working Principle

The LTC3880IUJ-1#PBF is a high performance, low power DC-DC switching controller that can be used for a variety of different applications. It is designed to provide accurate voltage regulation with minimal power consumption and high efficiency. The LTC3880IUJ-1#PBF uses its user-selectable topology, with either synchronous rectification or synchronous rectification with phase-lock-loop (PLL) current mode control, to maintain high efficiency at all times. The controller also provides programmable voltage and current regulation, as well as protection features. The LTC3880IUJ-1#PBF also includes an internal oscillator, leading to a simplified external design and improved system flexibility.

The LTC3880IUJ-1#PBF uses pulse width modulation (PWM) control, allowing it to regulate the output voltage both accurately and efficiently. The PWM control is done using a fixed oscillator frequency, which can be adjusted using the internal clock or an external clock source. The internal oscillator frequency can be adjusted from 200kHz to 500kHz, allowing for a wide range of applications. The PWM duty cycle is then adjusted to regulate the output voltage. Additionally, the LTC3880IUJ-1#PBF also provides analog voltage feedback control for increased accuracy.

The LTC3880IUJ-1#PBF also provides protection features for both the switching controller and the power supply. It includes protection from under-voltage lockout, over-voltage protection, short-circuit protection, and over-temperature shutdown. Additionally, the LTC3880IUJ-1#PBF has adjustable soft start and comprehensive thermal shutdown protection, which can help protect the power supply from damage. The LTC3880IUJ-1#PBF also includes an integrated over-current protection circuit.

Conclusion

The LTC3880IUJ-1#PBF is a highly advanced integrated voltage regulator circuit that can be used for a variety of different applications, including processor core power supply, DC-DC synchronization controller, and PSFB controller. This device features an internal oscillator, programmable voltage and current regulation, as well as protection features. Additionally, it can be used for a wide range of applications due to its adjustable oscillator frequency and adjustable PWM duty cycle. Overall, the LTC3880IUJ-1#PBF is a highly advanced and efficient device, offering accurate voltage regulation with minimal power consumption.

The specific data is subject to PDF, and the above content is for reference

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