MAX5035BASA/V+

Voltage - Output (Min/Fixed):	5V
Base Part Number:	MAX5035
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	125kHz
Current - Output:	1A
Voltage - Output (Max):	--
Series:	Automotive, AEC-Q100
Voltage - Input (Max):	76V
Voltage - Input (Min):	7.5V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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Introduction

The MAX5035BASA/V+ is a high-power, low-voltage-drop synchronous step-down switching regulator. It is one of the most versatile and high-power step-down switching regulators available in the market today. It is designed for a wide range of input voltages and current levels both static and dynamic.The MAX5035BASA/V+ is a PMIC (Power Management Integrated Circuit) voltage regulator and a DC DC (Direct Current-to-Direct Current) switching regulator. It is used mainly to step-down the voltage from a higher voltage source to a lower voltage required by the load. The MAX5035BASA/V+ can also be used to step-up the voltage if required.

Application Field

The MAX5035BASA/V+ is designed for applications where the input voltage is in the range between 4V to 60V or 3V to 75V depending on the application requirement. It is best suited for switching regulator applications that require high output currents and have wide range of voltage requirements.The MAX5035BASA/V+ can step-down the source voltage to a lower voltage required by the load without compromising on the efficiency. It is ideal for powering high power DC motors, LEDs, and displays. It can also be used for powering microprocessors, FPGAs, and other digital components that require different voltage levels.The MAX5035BASA/V+ is a high-performance switching regulator, which gives low-ripple and high-speed transient response. It is suitable for applications in the industrial, automotive, and consumer markets.

Working Principle

The MAX5035BASA/V+ DC DC switching regulator is based on synchronous rectification and cycle-by-cycle current limiting. It has a synchronous Buck PWM (Pulse Width Modulation) control scheme and an adaptive on-time control circuit.The control scheme uses a PWM (Pulse Width Modulation) signal to vary the duty cycle of the output voltage. The duty cycle is controlled by an external signal, or the internal adaptive on-time control circuit. The output voltage is regulated by the reference voltage set through an external resistor divider.The cycle-by-cycle current limit circuit allows the MAX5035BASA/V+ to operate in a safe current range, preventing damaging the components due to overload. The current limit circuit can be adjusted to a maximum of 100% of the rated current, providing enough headroom in case of fast transients and/or load variations.

Summary

The MAX5035BASA/V+ is a high-performance synchronous step-down switching regulator with an adjustable current limit and a wide input voltage and current range. It is suitable for applications in the industrial, automotive, and consumer markets. This device can be used to step-down the input voltage to the required levels without compromising on the efficiency. The PWM control scheme, low sense voltage, and cycle-by-cycle current limit circuit provide high power efficiency, low ripple and smooth transient response.

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