LM2677SX-ADJ/NOPB Allicdata Electronics
Allicdata Part #:

LM2677SX-ADJ/NOPBTR-ND

Manufacturer Part#:

LM2677SX-ADJ/NOPB

Price: $ 2.59
Product Category:

Integrated Circuits (ICs)

Manufacturer: Texas Instruments
Short Description: IC REG BUCK ADJ 5A TO263-7
More Detail: Buck Switching Regulator IC Positive Adjustable 1....
DataSheet: LM2677SX-ADJ/NOPB datasheetLM2677SX-ADJ/NOPB Datasheet/PDF
Quantity: 1500
500 +: $ 2.35305
1000 +: $ 1.98450
2500 +: $ 1.88528
Stock 1500Can Ship Immediately
$ 2.59
Specifications
Voltage - Output (Min/Fixed): 1.21V
Base Part Number: LM2677
Supplier Device Package: DDPAK/TO-263-7
Package / Case: TO-263-8, D²Pak (7 Leads + Tab), TO-263CA
Mounting Type: Surface Mount
Operating Temperature: -40°C ~ 125°C (TJ)
Synchronous Rectifier: No
Frequency - Switching: 260kHz
Current - Output: 5A
Voltage - Output (Max): 37V
Series: SIMPLE SWITCHER®
Voltage - Input (Max): 40V
Voltage - Input (Min): 8V
Number of Outputs: 1
Output Type: Adjustable
Topology: Buck
Output Configuration: Positive
Function: Step-Down
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

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LM2677SX-ADJ/NOPB is a high efficiency step-up/step-down DC to DC converter geared towards mobile and portable applications. It comes with a wide range of features and available in a small 5mmx6mm QFN package. The device is designed to meet the needs of a wide range of mobile applications requiring ultra high efficiency and power-saving in a very small footprint. It is ideal for use in a variety of mobile accessories, such as mobile phones, PDAs, and other portable devices.

The LM2677SX-ADJ/NOPB DC/DC switch regulator operates in both step-up, boost, and step-down, buck, modes. It consists of a self-contained power switch, error amplifier, oscillator, logic, and other features all integrated in one device. It is capable of supplying an output voltage of up to 3.6V with a maximum output current of 1.5A and a maximum supply voltage of 5.5V. The adjustable switching frequency of the LM2677SX-ADJ/NOPB can range from 250kHz to 1.5MHz. It also features an input voltage range of 3.9V to 18V, under-voltage lockout, output current foldback and shutdown, and thermal shutoff protection.

When operating in the boost mode, the device regulates the output voltage by switching a MOSFET between the input supply and the output load. When operating in the buck mode, it regulates the output voltage by using a MOSFET to switch between the input supply and ground with an inductor as the main component in the power conversion loop. The circuit employs voltage or current optimization wherever possible to maintain the rated output current and voltage. In both modes of operation, the device includes a shutdown input that can be used to put the power switch in a low power state, ensuring that it does not operate when the output voltage is not needed.

The LM2677SX-ADJ/NOPB is designed for use in mobile and portable applications due to its high efficiency and small footprint. It is specifically designed to meet the needs of low power applications that require a reliable solution for efficient power conversion in a very limited package size. Its advanced features, such as high switching frequency, adjustable output voltage, and under-voltage lockout make it an ideal solution for a variety of mobile and portable applications.

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

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