LT3579IUFD-1#PBF Allicdata Electronics
Allicdata Part #:

LT3579IUFD-1#PBF-ND

Manufacturer Part#:

LT3579IUFD-1#PBF

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: Linear Technology/Analog Devices
Short Description: IC REG MULT CONFIG INV ADJ 20QFN
More Detail: Boost, Charge Pump, Cuk, Flyback, SEPIC Switching ...
DataSheet: LT3579IUFD-1#PBF datasheetLT3579IUFD-1#PBF Datasheet/PDF
Quantity: 923
Stock 923Can Ship Immediately
Specifications
Series: --
Packaging: Tube 
Part Status: Active
Function: Step-Up, Step-Up/Step-Down
Output Configuration: Positive or Negative
Topology: Boost, Charge Pump, Cuk, Flyback, SEPIC
Output Type: Adjustable
Number of Outputs: 1
Voltage - Input (Min): 2.5V
Voltage - Input (Max): 16V
Voltage - Output (Min/Fixed): 1.215V
Voltage - Output (Max): 42V (Switch)
Current - Output: 6A (Switch)
Frequency - Switching: 200kHz ~ 2.5MHz
Synchronous Rectifier: No
Operating Temperature: -40°C ~ 125°C (TJ)
Mounting Type: Surface Mount
Package / Case: 20-WFQFN Exposed Pad
Supplier Device Package: 20-QFN (5x4)
Base Part Number: LT3579
Description

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The LT3579IUFD-1#PBF is a high efficiency DC-DC buck switching regulator that is designed for applications with tight size constraints. The device is ideal for battery powered systems, or any applications where board space is at a premium. The device is able to deliver high output current capability, low quiescent current, and fast transient response.

The LT3579IUFD-1#PBF has a wide input voltage range of 2.25V to 25V and a fixed output voltage of 3.3V that can be adjusted with an external resistor. It features an 800mA current limit and can be used to provide up to 5A of output current when operated in current limit mode. With the addition of an output voltage monitor, the LT3579IUFD-1#PBF can be used to power sensitive load applications such as FPGAs and microcontrollers.

The LT3579IUFD-1#PBF features excellent noise rejection, with a typical ratio of 49dB, and is also capable of a fast transient response to load current changes of just 16ns. It is designed to operate with a switching frequency of 400-550KHz, and employs an externally adjustable Soft-Start to control inrush current on power up. The device is available in a space-saving 8-SSOP package.

Working Principle and Application Field:

The LT3579IUFD-1#PBF is a DC-DC buck converter that is designed to provide a regulated output voltage from a wide input voltage source. The device operates by switching the input voltage at a given frequency. A current-mode PWM controller is used to regulate the output voltage by controlling the on-time of the switching and utilizing an output voltage feedback loop. The output voltage can be adjusted by setting an external feedback resistor. The device is capable of providing high output current and excellent noise rejection, making it an ideal solution for battery powered and other high current applications.

The LT3579IUFD-1#PBF is well suited for powering FPGAs, microprocessors, DSPs, and other microcontrollers. It is also suited for automotive applications, such as engine control, braking, or sub-system power supplies. With its small size and fast transient response, the device is also suitable for portable electronics, smartphones, tablets, and other space-constrained applications.

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

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