ISL6341IRZ

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ISL6341IRZ is a high performance integrated switching regulator controller that integrates power conversion, current sense amplification and pulse width modulation (PWM) control. It provides adjustable output voltage, current and power with a resistor programmable or external programming voltage technology. ISL6341IRZ is the ideal choice for high efficiency point of load (POL) dc-dc converter applications.

Applications of ISL6341IRZ include output voltages from 0.8V to 6V, regulator output currents up to 6A and power levels up to 36W. ISL6341IRZ is suitable for use in POL applications such as telecom/datacom, servers, enterprise storage, point-of-load regulators and DSP applications.

The output voltage of the ISL6341IRZ controller is programmed either by an external voltage divider or an internal resistor-programmable voltage regulator. It provides the flexibility of programming the output voltage from 0.8V to 6V in steps of 50mV with external resistors, or 25mV with internal resistors. Output current and power can be programmed as needed.

ISL6341IRZ can be used in a variety of topologies and applications. It works efficiently with voltage and current mode control loop designs. It includes an integrated current sense and a programmable deadtime control to increase efficiency or reduce the cost of the solution. External synchronization can be used to vary the switching frequency to ensure maximum performance.

ISL6341IRZ\'s steady state operation is determined by the external Vref voltage, the external current sense resistor, and the voltage reference resistor. The input voltage must be greater than the output voltage. The voltage transfer is controlled by a high accuracy, integrated voltage reference that uses a PWM signal to control the on- and off-times of the switch. This signal, combined with the current sense amplitude feedback, generates a linear voltage transfer response.

ISL6341IRZ is designed for low voltage high current dc-dc applications, delivering high efficiency regulation, excellent transient response and low EMI signatures. It is versatile, reliable, and offers up to 6A of output current and is also capable of operating at power levels up to 36W. It also has an adjustable frequency operation up to 1.2 MHz and includes an integrated current sense amplifier and programmable deadtime control.

In conclusion, ISL6341IRZ is an ideal choice for POL applications, providing adjustable output voltage, current and power. It is versatile, reliable, and efficient and its wide range of features makes it suitable for a variety of dc-dc software applications.

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