MAX17501EATB+

Voltage - Output (Min/Fixed):	3.3V
Base Part Number:	MAX17501
Supplier Device Package:	10-TDFN (3x2)
Package / Case:	10-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	600kHz
Current - Output:	500mA
Voltage - Output (Max):	--
Series:	Himalaya
Voltage - Input (Max):	60V
Voltage - Input (Min):	4.5V
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

MAX17501EATB+ is a DC/DC switching regulator with a wide array of features, making it the ideal choice for applications where low input and output voltage and current are required. It is a modern-day integrated switching regulator with a switching speed of up to 4 MHz and is available in fixed and adjustable output voltages. The regulators feature a low RDSon MOSFET, low input and output capacitors, low parasitic inductance, and a low operating temperature range. The MAX17501EATB+ regulator also offers a wide array of protection features and power diagnostics, allowing the user to monitor the condition of their system.

Application Field

The MAX17501EATB+ can be found in a wide array of different applications, ranging from the automotive industry to mobile applications and personal computers. Its low input and output voltages, low switching speed, and low operating temperature are ideal for applications in which power efficiency is critical.In automotive applications, the MAX17501EATB+ can be used for powertrain applications such as engine control, power steering, and fuel injection. Its high-efficiency topology makes it a great option for applications in which space and power consumption are maximized. In mobile applications, the MAX17501EATB+ is used for powering the onboard processors, memory, and other peripherals. Its low voltages and currents make it an ideal choice for powering high-performance, low-power mobile devices such as smartphones and tablets.In personal computers, the MAX17501EATB+ is used for powering the CPU, GPU, memory, and other peripheral devices. Its low power consumption and high efficiency makes it a great choice for powering high-end gaming and workstation PCs.

Working Principle

The MAX17501EATB+ regulator operates in a closed-loop switching mode, allowing it to efficiently convert its input voltage to a regulated output voltage. The regulator continuously senses the output voltage, making adjustments to the switching duty cycle as necessary to maintain the regulated output voltage.At the heart of the MAX17501EATB+ is the voltage feedback loop. The feedback loop consists of the error amplifier, OVP comparator, soft-start circuitry, and a current-sense amplifier. The error amplifier monitors the output voltage and feeds back a signal proportional to the error to the voltage control logic. This signal is then used to adjust the duty cycle of the switching circuitry, thus controlling the output voltage.The OVP comparator monitors the output voltage for any over-voltage conditions and shuts off the switching circuit when the maximum output voltage is exceeded. The soft-start circuitry provides a gradual power-on ramp for the output voltage, thereby avoiding any sudden spikes or transients. Lastly, the current-sense amplifier detects when the current drawn by the regulator exceeds the maximum rated current and shuts off the switching circuit, preventing damage to the regulator.

Conclusion

In conclusion, the MAX17501EATB+ is an ideal choice for applications that require low input and output voltages and currents. Its wide array of features and protection mechanisms make it an ideal choice for a variety of applications, ranging from automotive to mobile and computer applications. Its efficient closed-loop switching regulator power delivery with voltage feedback control and current monitoring makes it an efficient, reliable choice.

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