MAX628ESA

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MAX628ESA is a monolithic gate driver IC designed by Maxim Integrated, a leader in system power management solutions. The IC is ideal for meeting the needs of high frequency switching in power conversion and motor control applications. It enables designers to drive large and small high power MOSFETs and IGBT transistors without the need for external components. It is a versatile gate driver IC with a large selection of input and output options.

MAX628ESA integrates an advanced protection architecture including 4A internal gate current limit protection. It supports rail to rail output voltage levels of 16 to 24 volts and can be used to drive both large and small gate capacitances. In addition, the device offers enhanced power efficiency, fast switching times and a wide input voltage range.

Due to its wide operating temperature range, MAX628ESA can be used in automotive and industrial applications. It is also well-suited for a variety of applications including motor drivers, switch mode DC/DC converters, switched-mode power supplies and other load drive devices. It is also ideal for digital power supply designs, where the need for low-loss devices and the need to avoid complementary metal-oxide- semiconductor (CMOS) latch-up has driven the requirement for high-voltage MOSFETs.

The operating principle of the MAX628ESA is based on a single-pole implementation of an H-bridge MOSFET driver. This design ensures high speed, low power dissipation, and efficient operation. When the input voltage is applied, the MOSFET will turn on and provide power. As long as the input voltage is maintained, the MOSFET will stay active. When the input voltage is removed, the MOSFET automatically turns off to provide electrical isolation.

The device has two ready-made functions, one of which is an output voltage protection (OVP), which is used to protect the circuitry from excessive output voltages. The other feature is an under-voltage protection (UVP) which protects the device from insufficient input voltage.

The MAX628ESA is an ideal device for applications requiring fast high voltage switching, which requires both a low on resistance MOSFET with sufficient gate-to-source current, and an efficient low-power driver with a rail-to-rail output voltage range.

The device is also suitable for various electronic systems such as brushless DC motor control, automotive power converters, power supply systems, industrial steering systems and many other applications where high frequency and low power dissipation is required.

Despite requiring high power drivers and long switching times, MAX628ESA is the ideal choice for most applications due to its superior power efficiency, wide input voltage range and superior output performance at low switching frequencies.

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