LM2677SD-5.0/NOPB

Voltage - Output (Min/Fixed):	5V
Base Part Number:	LM2677
Supplier Device Package:	14-VSON (5x6)
Package / Case:	14-VDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	260kHz
Current - Output:	5A
Voltage - Output (Max):	--
Series:	SIMPLE SWITCHER®
Voltage - Input (Max):	40V
Voltage - Input (Min):	8V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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

Introduction

The LM2677SD-5.0/NOPB is a switching regulator from Texas Instruments. It contains an N-Channel MOSFET and external resistors to form a synchronous buck converter, making it a great choice for modern computing and automotive components. This device offers improved efficiency and low output voltage ripple while being capable of adapting to a wide range of input power sources and fluctuating loads. This article will discuss the application field and working principle of the LM2677SD-5.0/NOPB.

Application Field of the LM2677SD-5.0/NOPB

The LM2677SD-5.0/NOPB is a switching regulator, so it is well-suited for applications that require accurate and reliable voltage regulation. It can be used in applications such as industrial machines, telecom systems,/NOPB automotive components, computing systems, process control and power supply. In these applications, the LM2677SD-5.0/NOPB is often used to regulate a 12V input to 5V or 3.3V output, but can be used for other variable output voltages depending on the requirements of the system.The LM2677SD-5.0/NOPB is designed for a wide range of input voltages and load current, making it an ideal choice for applications such as engine control systems and power supply design. The adjustable voltage can accommodate input voltage changes and help reduce cost by saving components and increasing system efficiency. The LM2677SD-5.0/NOPB will regulate up to 28V input and 6.5A output current with 20mV output voltage ripple.

Working Principle of the LM2677SD-5.0/NOPB

The LM2677SD-5.0/NOPB is a synchronous buck converter with an internal N-Channel MOSFET to switch the input voltage to the desired output voltage. The buck converter works by connecting the output load to the input voltage through a switch (MOSFET) and an inductor. When the switch is closed, energy from the input voltage will be stored in the inductor and when the switch is opened, the energy is released to the output load. This energy is regulated by an Error Amplifier to maintain the output voltage at the desired level.The LM2677SD-5.0/NOPB can be configured for an accurate variable output voltage. This is done by adjusting the feedback resistor values (R1 and R2). R1 is connected to the input voltage of the regulator, while R2 is connected to the output in order to sense the actual output voltage. The output voltage will be adjusted until it matches the target value set by the resistance in R2.

Conclusion

The LM2677SD-5.0/NOPB is a switching regulator that is suitable for applications that require accurate and reliable voltage regulation. It can be used in industrial machines, telecom systems, automotive components, computing systems, process control and power supply. Its adjustable output voltage, wide input voltage and load current range, high efficiency and low output voltage ripple makes it an ideal choice for automotive, computing and industrial applications. The working principle of the LM2677SD-5.0/NOPB is based on a synchronous buck converter with an internal N-Channel MOSFET and adjustable feedback resistor values that control the output voltage.

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

Part Number	Manufacturer	Price	Quantity	Description