Voltage - Output (Min/Fixed):	1.25V
Base Part Number:	MAX5035
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	125kHz
Current - Output:	1A
Voltage - Output (Max):	13.2V
Series:	--
Voltage - Input (Max):	76V
Voltage - Input (Min):	7.5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MAX5035DUSA-T Application Field and Working Principle

Introduction

The MAX5035DUSA-T is a 4A DC/DC step-down DC/DC voltage regulator designed to provide a cost-effective and efficient solution for a variety of electronic applications. The device features low output noise current, low sleep mode current, and high efficiency over a wide input voltage range. It offers high switching performance, up to 4.5A peak output current, and integrated over-voltage protection with adjustable current limit. The MAX5035DUSA-T is ideal for driving digital consumer electronics, personal communication systems, and automotive applications.

DC-DC Switching Regulators

DC-DC switching regulators are widely used in numerous applications such as computers, consumer electronics, industrial control, and telecommunications. A DC-DC switching regulator is a type of DC/DC converter that uses a switch to convert the voltage from one value to another. The switch rapidly engages and disengages the power circuit to minimize the power loss, resulting in a more efficient power conversion. The MAX5035DUSA-T is a highly efficient 4A DC/DC step-down regulator which is used in a wide variety of electronic applications. The device uses a buck topology to convert the input voltage to an adjustable output voltage over a wide input voltage range. It uses proprietary control algorithms and integrated components to provide high efficiency and minimal output ripple.

Working Principle

The MAX5035DUSA-T uses a buck topology to regulate a given DC/DC voltage. The device uses a switch, or PWM (pulse width modulation) to convert an input voltage into an adjustable output voltage. The device is powered up via an internal oscillator, and switches on and off the power circuit in order to maintain the desired output voltage level.When the switch is off, the input voltage is applied to the output of the MAX5035DUSA-T. When the switch is on, the input voltage is routed through the MOSFET, which dissipates the power. When the switch is off, the output voltage is maintained at the desired level due to the higher current capability of the low-side MOSFET.

Advantages of the MAX5035DUSA-T

The MAX5035DUSA-T offers a wide range of features, the most notable of which are its efficiency and its low output noise current. The device has an integrated low-side current limit, which is adjustable via a control pin. Additionally, the device is compliant with the AEC-Q100 qualification, which enables it to withstand a wide range of environmental and electrical conditions. Furthermore, the MAX5035DUSA-T is capable of operating over a wide temperature range, from -40° to +85°C, making it ideal for automotive applications. In addition, it features a low quiescent current of 7mA, which helps to reduce power consumption.

Conclusion

The MAX5035DUSA-T is a 4A step-down DC/DC voltage regulator designed to offer a high level of efficiency and performance over a wide input voltage range. The device uses a buck topology to convert the input voltage to an adjustable output voltage, and is compliant with the AEC-Q100 qualification. Additionally, the device features a low output noise current and a low quiescent current of 7mA, making it ideal for a range of automotive and industrial applications.

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