MAX866ESA+

Voltage - Output (Min/Fixed):	3.3V, 5V
Base Part Number:	MAX866
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	250kHz
Current - Output:	23mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	6V
Voltage - Input (Min):	0.8V
Number of Outputs:	1
Output Type:	Programmable
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Active
Packaging:	Tube

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<p>The MAX866ESA+ is a voltage regulator module, specifically a DC-DC switching regulator, and is part of Maxim Integrated’s family of integrated linear power management solutions. It is a feature-rich device, useful in a range of applications and able to provide a highly efficient, voltage-controlled output. This article provides an overview of the MAX866ESA+ and an explanation of its application field and working principle.</p><p>The MAX866ESA+ is a simple and efficient two terminal, 3-A, adjustable output synchronous buck regulator. It utilizes the Space Vector PWM (SVPWM) technique which results in lower EMI, costs and conduction losses. This regulator is designed to minimize design cost and minimize its external components. It operates from an input voltage of 2.95 V to 28 V and can provide an adjustable output voltage from 0.8 V to 14 V. It is able to provide up to 3 A output current for both buck and boost topologies. Additionally, the MAX866ESA+ has several protection features such as under voltage lockout (UVLO), over voltage protection (OVP), and over temperature protection (OTP).</p><p>The application field of the MAX866ESA+ covers a wide range of areas, from automotive applications to networking and digital home products. Automotive applications include systems requiring DC to DC conversion like powertrain Ignition system and Infotainment. Network devices such as optical transceivers, laser drivers, base station transmitters, general purpose point of load converters and high frequency switchers benefit greatly from this device. For digital home products, this device is a great choice for high efficiency and reliable power supplies, due to its integrated protection features and its ability to reduce external component count.</p><p>The working principle of the MAX866ESA+ is based on the SPWM technique, which is a type of pulse width modulation used to generate a steady, adjustable, isolated output voltage. The device will receive an input voltage, which is then compared to a reference voltage. The reference voltage is set by the external voltage divider, and will control the duty cycle of the output switching waveform. The output voltage will be proportional to the reference voltage and can be set to a value between 0.8 V and 14 V.</p><p>The MAX866ESA+ is a low cost, high efficiency integrated power management solution. This device is robust and reliable and is ideal for applications requiring an adjustable, isolated output voltage with integrated protection features. The wide application field of this device and the efficiency of the Space Vector PWM technique make it a great choice for automotive and digital home applications, as well as for networking and high frequency switching.</p>

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