IR3588MTRPBF

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IR3588M is a high-performance synchronous PWM current-mode controller designed to drive power FETs in synchronous buck configuration and support non-isolated DC/DC converter systems. It combines a high-bandwidth single-phase current-mode PWM controller, with a precise 5A peak low side driver and a 5A peak high side driver. The integrated FET driver features adjustable gate-voltage blanking settings, overcurrent protection, RDS(on) sensing and current- limiting. The IC integrates one high-voltage start-up regulator and two low-voltage LDO regulators. The external resistors are used to set the feedback voltage and the current-sense. The start-up and enable logic pins allow for flexible power sequencing. The main purpose of using IR3588M is to provide robust and efficient DC/DC power-supply solutions for applications such as telecommunications, networking, data and storage.

The IR3588M’s programmable features enable the user to design with the device in a variety of applications. The device allows the user to control the out-put voltage, input voltage, and power-up sequencing. With the integrated dead time control and over-voltage and over-current protection circuit, the device ensures reliable operation over long periods of time. The IR3588M is a highly efficient synchronous DC/DC buck converter and is suitable for applications requiring high efficiency, low voltage and low power consumption.

The IR3588M is a current mode controller and exhibits current mode control characteristics, which include a single gain parameter, an adjustable pole frequency and a dead time control. The device provides a smooth transition from the primary to the secondary side of the buck converter, with adjustable frequency and dead time control, making the device suitable for applications requiring high voltage and current step-down, as well as applications requiring step-up voltage conversion, such as notebooks and battery-powered devices.

The open-loop gain of the current-mode controller is adjustable by setting the resistance of an external feedback resistor. Additionally, the peak current limit can be adjusted with the adjustment of the external current-sense resistor. This adjustable peak current limit ensures efficient operation of the device and accuracy of protection features.

The device is also equipped with a 5A peak low side driver and a 5A peak high side driver for driving the external MOSFETs. The integrated high side and low side FETs can reduce the number of external components needed in the power stage of the converter. The integrated FET drivers are adjustable to match the performance of the external FETs.

The start-up and enable logic pins of the device allow for simple power supply sequencing and are used to profile the power-up of the converter’s components. The logic pins can also be used to enable or disable the converter both during start-up and in normal mode of operation.

The IR3588M is also integrated with a 5A peak low side driver and a 5A peak high side driver. The integrated high side and low side FETs can reduce the number of external components needed in the power stage of the converter. The integrated FET drivers are adjustable to match the performance of the external FETs.

The device is further equipped with a high-voltage start-up regulator, which integrates one high-voltage start-up regulator and two low-voltage LDO regulators. The device is capable of start-up from an input voltage of 12V up to 80V, thus making it suitable for wide-range applications. The external resistors are used to set the feedback voltage and the current-sense.

In addition to these features, the IR3588M has these qualities making it further eligible for numerous applications:

• High efficiency: The high-performance IR3588M power device can achieve high efficiency levels (98% peak) at light loads, making it very suitable for low-power applications.
• High Frequency Operation: The IR3588M can operate at frequencies up to 600kHz, making it suitable for high-speed applications.
• Integrated Protection Circuitry: The integrated protection circuitry in the IR3588M provides overcurrent protection, RDS(on) sensing and current-limiting, making it highly reliable.
• Low Output Ripple: The device features low output ripple (less than 10mV) to reduce EMI and enable the use of small external components.
• Wide Input Voltage Range: The wide input voltage range of 6V to 80V makes the device a perfect candidate for numerous applications.

In conclusion, the IR3588M power device can be used to provide robust and efficient DC/DC power-supply solutions for applications such as telecommunications, networking, data and storage, making it a suitable voltage regulator for special purpose solutions.

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