MAX829EUK+T

Voltage - Output (Min/Fixed):	-Vin, 2Vin
Base Part Number:	MAX829
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	35kHz
Current - Output:	25mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	1.5V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Charge Pump
Output Configuration:	Positive or Negative
Function:	Ratiometric
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MAX829EUK+T Application Field and Working Principle

The MAX829EUK+T Voltage Regulator belongs to the family of DC-DC switching regulators from Maxim Integrated. It is a dual-channel buck converter specifically designed for applications requiring ac and dc synchronization and is suitable for providing highly regulated primary power for multiple point-of-loads. This voltage regulator is a current mode Step-Down DC-DC converter with a low-profile surface mount package and advanced power saving techniques. It has an input voltage range from 4.5V to 12V and is capable of delivering up to 2A of load current per channel. The MAX829EUK+T was designed to address the stringent demands of synchronous ac and dc power supplies while providing power management functionality and low cost.

Introduction to MAX829EUK+T Voltage Regulator

The MAX829EUK+T is a dual-channel buck converter, which is perfectly suited for applications requiring ac and dc synchronization. It has an input voltage range from 4.5V to 12V and is capable of delivering up to 2A of load current per channel. This voltage regulator combines the features of a high-efficiency buck converter, a current mode step-down DC-DC converter and a sophisticated power saving technology. This ensures that the system is highly efficient to provide the most energy delivery for the desired voltage regulation. It also provides high accuracy and fast dynamic response, making it suitable for high-end applications. It features high current capability and efficiency ratings, allowing designers to implement more complex designs in more compact form factors.

Features and Benefits

The MAX829EUK+T offers a wide range of features and benefits for applications requiring ac and dc synchronization. It has an input voltage range from 4.5V to 12V and is capable of delivering up to 2A of load current per channel. This voltage regulator provides excellent efficiency, which helps to reduce the power consumption and overall system costs. It also provides a high level of accuracy and fast dynamic response, which enables it to provide accurate and reliable power. The design of the MAX829EUK+T is also optimized for low EMI, which ensures that the system meets the required EMI standards. Additionally, the MAX829EUK+T voltage regulator features an auto-shutdown cycle, which helps to reduce the system power consumption by automatically shutting down the converter when not needed.

Working Principle

The MAX829EUK+T voltage regulator works on a synchronous buck converter design, in which the output voltage is regulated through continuous current mode control. The voltage regulator comprises of an internal high-side switch, an internal low-side switch, a power transformer and an output sense resistor. The input voltage is applied to the high-side switch, which is then connected to the power transformer via the low-side switch. The transformer connects to the output sense resistor which feedbacks the output voltage to the voltage regulator. The input voltage is used to control the duty cycle of the high-side and low-side switches in order to provide an output voltage which is regulated with reference to the sensed output voltage.

Applications

MAX829EUK+T voltage regulators are suitable for applications such as low-power distributed power systems, multi-rail power systems, point-of-load (POL) power supplies and multi-channel ac/dc systems. Its high current capability and power saving features make it an ideal solution for high-end applications requiring synchronization between multiple sources. It can also be used in home automation, healthcare and industrial applications, where ac and dc power needs to be supplied to multiple loads in an efficient and reliable manner.

Conclusion

The MAX829EUK+T voltage regulator is a versatile and highly efficient device designed to provide highly regulated primary power for multiple point-of-loads in applications such as low-power distributed power systems, multi-rail power systems and multi-channel ac/dc systems. It combines the features of a high-efficiency buck converter, a current mode step-down DC-DC converter and a sophisticated power saving technology to provide a highly accurate and reliable power supply. The MAX829EUK+T is a reliable and cost-effective solution for applications requiring synchronization between multiple sources.

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