MAX1605EUT-T

Voltage - Output (Min/Fixed):	0.8V
Base Part Number:	MAX1605
Supplier Device Package:	SOT-23-6
Package / Case:	SOT-23-6
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	500kHz
Current - Output:	350mA (Switch)
Voltage - Output (Max):	30V
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	2.4V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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MAX1605EUT-T Application Field and Working Principle

The MAX1605EUT-T is a DC/DC switching regulator that belongs to the family of PMIC (Power Management IC) voltage regulators. Depending on the power supply design and operating parameters, the MAX1605EUT-T can provide up to 3A of continuous current and up to 5A of peak current.The MAX1605EUT-T has a wide range of operating voltages, making it suitable for many different application fields. It can operate with a single 5V to 20V voltage supply, supplying regulated output in the range of 1.5V to 18V. The output voltage is pre-set by two external resistors, making it suitable for applications like multi-voltage point of load (POL) regulators, voltage converters and synthesizers.The main working principle of the MAX1605EUT-T is based on the pulse-width modulation (PWM) control method. In the regulator, a PWM circuit is included that controls the output voltage by modulating the on and off time of a power switch MOSFET in order to maintain the output voltage within a certain range.The other major component of the regulator is the oscillator, which generates the PWM signal that is then used to control the loading circuit. The loading circuit can either be a transformer or inductor, depending on the design. The oscillator also has a frequency control pin (FCLK) that can be used to adjust the switching frequency of the PWM signal.The MAX1605EUT-T also contains other components like an over-current protection circuit, thermal protection circuit and a current limit circuit that can protect the regulator from overloading and thermal conditions.The regulator also implements a “Sleep” mode to reduce power consumption during low loading conditions. Lastly, it also includes a “Soft-Start” function that adjusts the output voltage from its original level to the desired voltage in a gradual manner, thus avoiding high inrush current.Overall, the MAX1605EUT-T is a versatile and reliable DC/DC switching regulator suitable for a wide range of applications. It is capable of delivering up to 5A of peak current and is suitable for use in multi-voltage point of load (POL) regulators, voltage converters and synthesizers. The regulator features PWM control, an oscillator, over-load protection circuits, thermal protection circuit, current-limit circuit, Sleep mode and Soft-Start function, making it a reliable and safe component for power supply designs.

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