
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: | ![]() |
Quantity: | 356 |
1 +: | $ 8.47350 |
25 +: | $ 5.69344 |
100 +: | $ 4.83878 |
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 |
Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us: sales@allicdata.com
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.
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