MAX1724EZK27+T

Voltage - Output (Min/Fixed):	2.7V
Base Part Number:	MAX1724
Supplier Device Package:	TSOT-23-5
Package / Case:	SOT-23-5 Thin, TSOT-23-5
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	--
Current - Output:	400mA (Switch)
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	0.8V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MAX1724EZK27+T is a series of advanced, DC-to-DC, step-down switching regulator from Maxim Integrated. It is part of the family of PMIC (power management integrated circuits) voltage regulators. It is designed to deliver a regulated output voltage from an input voltage of up to 26V, thereby providing an efficient and cost-effective alternative to linear regulators. The device features low quiescent current, fast transient response, and a wide variety of adjustable and fixed output voltages.

Features of MAX1724EZK27+T

• Continuous Output Current up to 2.6A
• Adjustable Output Voltage from 0.8V to 17V
• High Efficiency: Up to 90%
• Fast Load Transient Response
• Very Low Shutdown Current: < 0.1uA
• User-Programmable Soft-Start Capability
• Input Voltage Range : 5V to 26V
• Available in 10-Lead MSOP and HE-10 packages

Application Field of MAX1724EZK27+T

MAX1724EZK27+T is designed to be used in popular applications such as notebook computers, PDAs, LCD monitors, set-top boxes, and other mobile applications. It is perfectly suited for a wide range of portable devices, including cellular phones, tablet PCs, digital cameras, and video cameras, as well as other alternative energy applications requiring DC/DC conversion.

Working Principle of MAX1724EZK27+T

The MAX1724EZK27+T is a high performance, integrated DC-to-DC switching regulator. The switching regulator is based on a Pulse Width Modulated (PWM) control topology. This control topology enables the device to regulate the output voltage, with a high degree of accuracy and efficiency, over the full input voltage range of 5V to 26V.The main function of the device is to step-down the input voltage. The input voltage is applied to the MAX1724EZK27+T via the Input (VIN) pin, while the output voltage is regulated by the Power Good (PG) pin.The MAX1724EZK27+T has an integrated high-side and low-side power MOSFETs. The high-side power MOSFET is connected between the input voltage, VIN, and the internal Regulator, while the low-side power MOSFET is connected between the internal Regulator and the output voltage.When the MAX1724EZK27+T is enabled, the high-side power MOSFET turns on, allowing a current flow from the input voltage, VIN, to the internal Regulator. In turn, the low-side power MOSFET turns on and off at a rate determined by the Pulse Width Modulation (PWM) control circuitry. The frequency of the PWM signal determines the switching of the low-side power MOSFET. This regulates the output voltage and minimizes power dissipation.The MAX1724EZK27+T also offers an advanced soft-start feature. This feature smoothly raises the output voltage from zero to its final level. This reduces the inrush current during the start-up process.In conclusion, the MAX1724EZK27+T is a highly efficient, cost-effective, and easy to use DC-to-DC switching regulator. It has a wide input voltage range and offers adjustable and fixed output voltages. It also offers fast load transient response, a soft-start capability, and very low shutdown current. It is the ideal device for a wide range of applications requiring highly efficient step down conversion.

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