MAX660M

Voltage - Output (Min/Fixed):	-Vin, 2Vin
Base Part Number:	MAX660
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:	10kHz, 80kHz
Current - Output:	100mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	1.5V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Charge Pump
Output Configuration:	Positive or Negative
Function:	Ratiometric
Part Status:	Not For New Designs
Packaging:	Tube

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The MAX660M is an integrated DC-DC switching regulator developed by Maxim Integrated Products, Inc. It is a high efficiency, high speed buck regulator capable of delivering up to 12A of output current over a wide input voltage range. It is suitable for powering driving FPGAs, ASICs, hard disks, and other consumer electronics applications.

Features of MAX660M

The MAX660M is an integrated DC-DC switching regulator with a wide range of features, including:

• Wide operating input voltage range (2.7V to 5.5V).
• Output current of up to 12A.
• High efficiency up to 97%.
• Adjustable output voltage range from 0.8V to 4.2V.
• Integrated power MOSFETs.
• Foldback current limiting for over-current protection.
• Signal ground displacement for noise reduction.
• Integrated loop compensation.

Applications of MAX660M

The MAX660M DC-DC switching regulator is suitable for powering a variety of applications, including:

• FPGAs and ASICs.
• Routers and switches.
• Hard drives and solid-state drives.
• Consumer electronics.

Working Principle of MAX660M

The MAX660M is a high efficiency, high speed buck regulator capable of delivering up to 12A of output current over a wide input voltage range. The device is designed using an advanced N-channel power MOSFET integrated with a high-speed control circuit to generate a regulated output voltage and a foldback current-limiting protection. The integrated loop compensation ensures load disturbance protection with fast transient recovery. When power is applied, the MAX660M operates in switching mode. The integrated power MOSFET switches on and off alternately to convert the input voltage into an output voltage. When the internal power MOSFET is switched on, the voltage drop across the MOSFET is minimized by the low input impedance of the power MOSFET and the output voltage is regulated by the output voltage control voltage, resulting in a constant output voltage.When the load is changed, the current limit amplifier senses the output current and adjusts the current limit accordingly, thus protecting the power MOSFET from over-current conditions. The internal compensation circuit provides fast transient response and reduces line voltage noise. The integrated foldback current-limiting further increases the safety margin.The MAX660M switching regulator is designed to meet the stringent requirements for providing a regulated power supply for different types of FPGAs, ASICs, quick hard drives, and other consumer electronics applications. It is also suitable for powering routers, switches, and other power-sensitive applications, as well as very low ripple and noise.

Conclusion

The MAX660M DC-DC switching regulator provides a high efficiency, high speed buck regulator solution with output current up to 12A over a wide input voltage range. It integrates power MOSFETs, loop compensation, and foldback current limiting for over-current protection, making it suitable for a variety of applications such as FPGAs and ASICs, routers, switches, hard drives and other consumer electronics applications.

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