LT1072CSW#PBF

Voltage - Output (Min/Fixed):	1.25V
Base Part Number:	LT1072
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 100°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	40kHz
Current - Output:	1.25A (Switch)
Voltage - Output (Max):	65V (Switch)
Series:	--
Voltage - Input (Max):	40V
Voltage - Input (Min):	3V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck, Boost, Cuk, Flyback, Forward Converter
Output Configuration:	Positive or Negative
Function:	Step-Up, Step-Down, Step-Up/Step-Down
Part Status:	Active
Packaging:	Tube

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Introduction

The LT1072CSW#PBF is a device for voltage regulation, that is part of the series of DC-to-DC switching regulators from Linear Technology, a company specializing in analog semiconductor devices. The device specifically uses a synchronous switching technique to allow for a wide range of voltage regulation applications. The device is well-suited to applications where low ripple, low noise and high efficiency are the main concerns. In this article, we will explore the background behind the technology, the application field of the LT1072CSW#PBF and the working principle of the device.

Background

Voltage regulation is an important function in many types of electronics, powering both analogue and digital circuits. If not regulated, the output voltage of a power supply can vary considerably, making it difficult to accurately power specific circuits.In its simplest form, voltage regulation is the process of using a device to control the output voltage of a power source. This device is usually a voltage regulator (VR). The most common type is a linear voltage regulator (LVR), which uses a series of resistors, capacitors, and transistors to provide a steady output voltage, regardless of the output voltage of the power source.LVRs are cost-effective and simple to implement, but they suffer from a few major drawbacks. The most obvious of these is that they have relatively high power losses due to the process of regulating the output voltage. As the input voltage changes, the VR has to continually adjust the resistance in order to maintain the output voltage, resulting in substantial power losses.The primary limitation of LVRs is their efficiency. For example, if the input voltage is greater than the output voltage, the regulator is forced to dissipate a portion of the power supply\'s energy as heat. In power-hungry applications, such as servers and almost any portable electronics, this heat can quickly create inefficiency and even damage the device\'s components.

Modern Alternatives

In order to combat these issues, more advanced methods of voltage regulation have emerged. A variety of options now exist, such as pulse-width modulation (PWM) and switching regulators.Switching regulators are the modern alternative to LVRs. In these devices, a switch is used to control the voltage between the input and output stages of the regulator. This switch is typically an electronic component known as an FET (field-effect transistor). During the switching process, the FET turns off and on in a controlled fashion, creating a repeating cycle of input-output pulses.The advantage of this approach is that the output voltage can be regulated with far less power loss than the linear technique. This allows for smaller, more efficient power supplies and more accurate control of the output voltage.The LT1072CSW#PBF is an example of a DC-to-DC switching regulator. The device uses a synchronous switching technique to provide a wide range of voltage regulation applications.

The LT1072CSW#PBF

The LT1072CSW#PBF is a high-performance voltage regulator from Linear Technology. It is designed for applications requiring low-ripple, low-noise, and high-efficiency power conversion. This device uses a synchronous switching technique to provide up to 96.7% efficiency at 25-A peak load current.This DC-to-DC switching regulator utilizes a synchronous dual-output FET architecture that allows for the regulation of two outputs, while also providing a wide range of voltage regulation. The LT1072CSW#PBF is capable of providing up to 18V of output voltage and is rated for up to 36V of input voltage.The device supports both synchronous and nonsynchronous modes of operation. In synchronous mode, it can operate up to 600kHz, while in nonsynchronous mode it can operate up to 100kHz. This allows for efficient power conversion at a variety of frequencies, allowing the device to be used in a wide range of applications.

Application Field and Working Principle

The LT1072CSW#PBF is designed for applications such as distributed power supplies, portable electronics, and base station systems. These are all applications where low-ripple, low-noise and high-efficiency power conversion is required.The device can be used in a variety of applications where a regulated output voltage is necessary. An example of this is a distributed power supply, in which the LT1072CSW#PBF could be used to provide regulated output voltages to multiple components.The LT1072CSW#PBF works by using an FET to control the voltage between the input and output stages of the regulator. This switch is turned off and on in a controlled fashion, creating a repeating cycle of input-output pulses. This is what is known as synchronous switching, and it allows for a wide range of voltage regulation.

Conclusion

The LT1072CSW#PBF is a powerful DC-to-DC switching regulator from Linear Technology. This device utilizes a synchronous switching technique in order to provide applications with low ripple, low noise, and high efficiency. The device is designed for applications where these characteristics are necessary, such as distributed power supplies, portable electronics, and base station systems. An understanding of the background and working principle of this device is important for designers who wish to utilize it effectively in their projects.

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