MAX743EWE+

Voltage - Output (Min/Fixed):	±12V, ±15V
Base Part Number:	MAX743
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	200kHz
Current - Output:	2A (Switch)
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	6V
Voltage - Input (Min):	4.2V
Number of Outputs:	2
Output Type:	Programmable
Topology:	Boost, Buck-Boost
Output Configuration:	Positive and Negative (Dual Rail)
Function:	Step-Up
Part Status:	Active
Packaging:	Tube

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Introduction to MAX743EWE+ DC DC Switching Regulators

The MAX743EWE+ is a switching regulator that is part of Maxim Integrated\'s range of Power Management Interface Controllers (PMICs). The device provides a low-cost, space-efficient solution for powering off-board DC systems and is ideally suited for portable and battery-driven applications. It features a DC voltage adjustable between 3.3V and 12V, depending on the input voltage. It also offers current and thermal settings, over-temperature protection, output short-circuit protection, and current limit protection. The device is capable of supplying up to 1.5A of output current.

Application Field

The MAX743EWE+ is a DC/DC switching regulator that is ideal for many applications. It is used in a variety of consumer electronics, including digital cameras, mobile phones, personal digital assistants (PDAs), MP3 players, and other battery-powered and re-chargeable consumer electronic devices. Its high efficiency and small size make it an ideal solution for low power applications where space is at a premium.The device is also suitable for industrial applications such as powering motor control systems, robotics and machine automation control, and portable instrumentation. Its versatile feature set make it suitable for many different applications, from powered medical devices to industrial telecom.

Working Principle

The MAX743EWE+ DC/DC switching regulator is based on the principle of voltage regulation. Voltage regulation is the regulation of an electrical variable to a specific reference level or value. The device converts an input voltage (either DC or AC) to another desired output voltage. The input voltage is fed into a circuit called a “switcher”. This switcher circuit converts the high voltage input into a pulse-width modulated (PWM) low voltage suitable for the connected load. This low voltage is then filtered and regulated by a voltage regulator to the required output voltage.The MAX743EWE+ regulator employs an efficient switching design that is designed to provide the highest possible efficiency of energy conversion. It also utilizes Power Sense FET technology to provide fast transient response and low power consumption. The device also provides protection for both the input and output sides, with output short-circuit protection and over-temperature protection.

Conclusion

The MAX743EWE+ DC/DC switching regulator is a versatile, cost-effective and efficient solution for powering portable and low power applications. It is able to convert high voltage inputs into low voltage outputs, while maintaining high efficiency. Its wide range of features makes it suitable for a variety of applications, including consumer electronics, industrial applications and robotics. In addition, its protective features ensure safe and reliable operation.

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