MAX643AESA+

Voltage - Output (Min/Fixed):	1.31V (15V)
Base Part Number:	MAX643
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	50kHz
Current - Output:	450mA (Switch)
Voltage - Output (Max):	18V (Switch)
Series:	--
Voltage - Input (Max):	16.5V
Voltage - Input (Min):	2V
Number of Outputs:	1
Output Type:	Adjustable (Fixed)
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Active
Packaging:	Tube

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

MAX643AESA+ is a DC-DC switching regulator generally used for systems that operate on 3V to 5.5V. It offers a wide input voltage range of 2.7V to 16V and a wide output current range of 1A to 5A. It integrates the functions of voltage regulation, over-voltage protection and current limiting, and is widely used in many applications, including mobile devices, drones, robotics and more.The MAX643AESA+ features a highly integrated DC-DC switching regulator and is capable of providing 8V to 12.5V of output voltage while supplying up to 5A of regulated output current. It has a wide input voltage range of 2.7V to 16V, making it ideal for systems using batteries, AC adapters or other regulated power sources. Its toggle switch feature allows for easy adjustment of the output voltage for different applications.The MAX643AESA+ employs a PWM control circuit that provides high efficiency and good ripple rejection. Its frequency range is from 0.1MHz to 1MHz, allowing for higher utilization and frequency selection depending on the application. In addition, its built-in thermal protection circuit will protect the output from damage due to overheating.The MAX643AESA+ is ideal for applications that require precision voltage regulation, low noise and fast transient response. It is also suitable for powered devices operating in harsh temperature conditions, such as those found in industrial, automotive, medical and other environments.In terms of its working principle, the MAX643AESA+ is based on a buck or step-down converter topology. In this topology, the input voltage is converted into an output voltage that is lower than the input Voltage. This conversion is done using semiconductor switching devices (transistors or MOSFETs) that alternately connect and disconnect at a rate determined by the input voltage, output voltage, and the components of the switching circuit. When the transistors are on, they allow current to flow across the power switch and when they are off, they disconnect the path from the input to the output and the current is interrupted. The result is a voltage which is regulated at the required level.To conclude, the MAX643AESA+ is a DC-DC switching regulator suitable for applications that require precision voltage regulation, low noise and fast transient response. It is ideal for powering devices in harsh temperature environments and offers an easy-to-use toggle switch for voltage selection. Its wide input voltage range and high output current make it suitable for a variety of applications requiring high performance.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description