MAX5071CAUA-T

Frequency - Switching:	20kHz ~ 1MHz
Base Part Number:	MAX5071
Supplier Device Package:	8-uMAX
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Operating Temperature:	-40°C ~ 125°C (TJ)
Control Features:	Frequency Control
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	No
Duty Cycle (Max):	49.8%
Series:	--
Voltage - Supply (Vcc/Vdd):	10.8 V ~ 30 V
Output Phases:	1
Number of Outputs:	1
Topology:	Flyback
Output Configuration:	Positive, Isolation Capable
Function:	Step-Up/Step-Down
Output Type:	Transistor Driver
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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MAX5071CAUA-T belongs to the category of PMIC - Voltage Regulators - DC DC Switching Controllers. It is a high-efficiency switch current-mode synchronous BUCK controller. The device is powered by 2.7V to 5.5V input voltage and supports up to 5A output current and adjustable output voltage, making it suitable for step-down (BUCK) power conversion circuit.The MAX5071CAUA-T has two internal 400mV voltage reference, one comparator, and one pulse-width modulator. The pulse-width modulator and two reference voltage outputs are good for controlling the output current of the converter and the output voltage of the power regulator. In addition, it has soft-start function and over-current protection and under-voltage lock-out (UVLO).The MAX5071CAUA-T is a high-efficiency step-down switching controller. It can be used to replace conventional circuits with improved efficiency and power density. It also has multiple functions for fault protection such as over-voltage and under-voltage protection and over-temperature protection. The device includes a wide ranging input voltage and drives a N-Channel MOSFET for buck power conversion with superior performance.This product can be used for telecommunication power supplies, battery-operated systems, and other portable equipment with the purpose of on-demand power management. Its applications mainly lie in the automotive and industrial power system design, such as providing stable power for the microprocessor, FPGA and other electronic components. With these features, the MAX5071CAUA-T is one of the most acknowledged switching controllers when it comes to complex and demanding applications.It also has a very simple working principle. The working principle is as follows. First, Reg0 and Reg1 produces two reference voltages and feeds it to the comparator. The comparator then compares this reference voltages and generates error signals. Then, these error signals are fed to the pulse-width modulator which then generates switching signals. The switching signals controls the power switch N1 to adjust the output voltage.The MAX5071CAUA-T is a viable choice for applications that require high-end power management and efficiency like automotive and industrial applications. It works via current mode control with both cycle-by-cycle current limit and voltage feed back, so as to provide stable power supply for important components. Thanks to its extended features like in-built over-voltage and under-voltage protections and over-temperature protection, this device offers an added level of safety.In conclusion, MAX5071CAUA-T belong to the category of PMIC - Voltage Regulators - DC DC Switching Controllers. It is a high-efficiency switch current-mode synchronous BUCK controller which is powered by 2.7V to 5.5V input voltage. With multiple protection features, adjustable output voltage and up to 5A output current, It is suitable for applications that requires complex and demanding power management such as automotive and industrial applications.

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