Voltage - Input (Max):	36V
Supplier Device Package:	20-TQFN (5x5)
Package / Case:	20-WQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	220kHz ~ 2.2MHz
Current - Output:	3A
Voltage - Output (Max):	10V
Voltage - Output (Min/Fixed):	1V (3.3V)
Series:	Automotive, AEC-Q100
Voltage - Input (Min):	3.5V
Number of Outputs:	1
Output Type:	Programmable (Fixed)
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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Introduction to MAX20003CATPB/V+ Application Field and Working Principle

The MAX20003CATPB/V+ is a high-performance, step-down DC-DC converter with integrated FETs and smart standby and innovative ultra-low power with fixed-frequency pulse-width modulation (PWM) operation. This PWM step-down converter can provide up to 4.75 A load current in a very small form factor, and support 6V-30V input voltage range in one device. It offers a wide range of features to enable intelligent system capability and power savings beyond what is possible with standard linear regulators. This article will discuss the application field and working principle of MAX20003CATPB/V+.

Application Field of MAX20003CATPB/V+

MAX20003CATPB/V+ can be widely used in different power system designs requiring efficient, compact and reliable operation in 7V to 30V input voltage range. It is specifically designed for use in devices requiring high-power in a small form factor. This step-down DC-DC converter is an ideal solution for applications such as set-top boxes, edge computing devices, industrial equipment, communications equipment, medical equipment, gaming consoles, portable computers, point-of-sale (POS) terminals and many other applications. Besides, it also has various added features such as thermal protection, adjustable current-limit protection, short-circuit protection, undervoltage lockout (UVLO) and more.

Working Principle of MAX 20003CATPB/V+

The MAX 20003CATPB/V+ working principle is based on fixed-frequency pulse-width modulation (PWM). In this mode, the output voltage is regulated by controlling the duration of each pulse, in other words, the on-time. By varying the on-time, the average output voltage can be fine-tuned and regulated. Moreover, this PWM device contains on-chip boosters, high-side FETs, synchronous rectifier, current-sense circuit and oscillator modules, all of which work together to make the output voltage of the DC-DC converter more accurate and stable. Furthermore, it also features a strong current-limit protection as well as undervoltage and short-circuit protection to ensure the circuit\'s safety.

Conclusion

The MAX20003CATPB/V+ is a high performance DC-DC converter with a 6V-30V input voltage range, integrated FETs, and smart standby and ultra-low power with fixed-frequency pulse-width modulation (PWM) operations. It is suitable for wide range of power applications such as industrial equipment, communications equipment, medical equipment and more. This PWM device contains on-chip boosters, high-side FETs, synchronous rectifier, current-sense circuit and oscillator modules, all of which work together to make the output voltage of the DC-DC converter more accurate and stable. With such features, the MAX 20003CATPB/V+ can deliver reliable performance in various power system design with different load conditions.

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