MAX16993AGJA/VY+

Voltage - Input (Max):	36V
Supplier Device Package:	32-QFND-EP (5x5)
Package / Case:	32-VFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	2.1MHz
Current - Output:	3A
Voltage - Output (Max):	3.95V
Voltage - Output (Min/Fixed):	0.8V
Series:	--
Voltage - Input (Min):	3.5V
Number of Outputs:	3
Output Type:	Adjustable (Programmable)
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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Introduction

The MAX16993AGJA/VY+ is a DC-DC switching regulator, which is used for high power applications. It operates with a high effective efficiency for a given input voltage, and offers a comprehensive range of features and applications. This includes output voltage regulation, current limit and protection from output overload, a high performance switching frequency, synchronization, and a pulse-by-pulse protection control. Furthermore, it is made of the most advanced semiconductor technology and has a small surface area, to offer high current and small size. This article will discuss the application field and working principle of the MAX16993AGJA/VY+, and an explanation of its key characteristics.

Application Field

The MAX16993AGJA/VY+ is used for high power applications, such as portable devices, industrial and communication applications, and other systems that require regulation of multiple outputs. The converter has a high voltage rating of 16V and can deliver up to 2A of current, making it suitable for a wide range of power designs. It also exhibits excellent thermal resistance, which ensures reliable performance even in extreme conditions. In addition, the MAX16993AGJA/VY+ is suitable for operation with a wide input range, allowing it to be used in designs which may require operation at high input voltages. This is ideal for applications in which the power supply could be subject to different conditions, such as a high input voltage with a low load, or a low input voltage with a high load. As such, the MAX16993AGJA/VY+ is capable of providing more consistent and reliable performance in unstable power environments. Finally, the device is housed in an 8-pin TSSOP package, making it easy to place on PCBs and increase the design efficiency of boards without increasing the bill of materials.

Working Principle

The MAX16993AGJA/VY+ is a fixed frequency DC-DC switching regulator. It switches on and off rapidly and alternately, creating a high frequency power conversion current. This current, which is passed through an inductor, passes through a diode resulting in a regulated output voltage.The output voltage of the device is determined by a feedback loop, which compares the output voltage to a reference voltage. When the output voltage exceeds the reference voltage, the control circuitry reduces the power to the semiconductor switch, resulting in a decrease in the switching frequency and a decrease in the output voltage. Conversely, when the output voltage is below the reference voltage, an increase in the power to the semiconductor switch increases the frequency and the output voltage is boosted accordingly.

Key Characteristics

 High efficiency: the MAX16993AGJA/VY+ has a typical efficiency of 91% at a 3V output, which ensures low power dissipation and energy saving.  Output voltage tracking: the output voltage can be adjusted to provide a desired output voltage, ensuring optimal performance for the application. Low start-up current: The MAX16993AGJA/VY+ has a low start-up current of 5mA, which ensures that the device starts up quickly and efficiently in a high-load situation. High switching frequency: The device is capable of operating at up to 1MHz, making it suitable for a wide range of applications.  Pulse-by-pulse current limit: the MAX16993AGJA/VY+ offers a current limit feature which limits the maximum current that the device can draw during a single cycle.  Overload protection: the device is equipped with an overload and over-temperature protection, to ensure reliable operation and prevent damage to the device in the event of an overload or high temperature condition. Multiphase operation: The device can also be operated in multiphase mode to allow for better current distribution and improved transient response. Low noise: The MAX16993AGJA/VY+ is designed to operate with low noise, allowing it to be used in noise-sensitive systems.

Conclusion

The MAX16993AGJA/VY+ is a high performance DC-DC switching regulator, suitable for a variety of high power applications. Its low start-up current, high switching frequency and overload protection make it an excellent choice for applications which require efficient and reliable output regulation. This device is also housed in a small 8-pin TSSOP package size and is capable of providing a regulated output voltage with excellent accuracy. Overall, the MAX16993AGJA/VY+ fulfils the needs for an efficient and reliable DC-DC voltage converter for high power applications.

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