ADM1073ARUZ High Voltage Hot Swap Controllers by Analog Devices

Status: Production
Series: ADM1073
RoHS: Compliant
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The ADM1073 is a full-feature, negative voltage, hot swap controller that allows boards to be safely inserted and removed from a live −48 V backplane. The part provides precise and robust current limiting, and protection against both transient and nontransient short circuits in overvoltage and undervoltage conditions. The ADM1073 can operate from a negative voltage of −18 V to −80 V and can tolerate transient voltages of up to −200 V.Inrush current is limited to a programmable value by control-ling the gate drive of an external N-channel FET. The maximum current limit is set by the choice of the sense resistor, RSENSE.A built-in soft start function allows control of the inrush current profile by an external capacitor on the soft start (SS) pin.An external capacitor on the TIMER pin determines the time for which the FET gate is controlled to be high when maximum inrush current flows. The ADM1073 employs a limited consecutive retry scheme, whereby, if the load capacitance is not fully charged within one attempt, the FET gate is pulled low and retries after a cooling period.

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Features

Precision In-Rush Linear Current Limit
Adjustable Soft Start In-Rush Current Limit Profiling
Max On-Time Modulated by FET Drain Voltage for Additional SOA Protection
Adjustable PWM Retry Scheme and Multiple Device Cascading
Precision Maximum On Time in Current Limit
Capability for Charging Large Capacitive Loads
Shunt Regulator Topology Allows For Very Large Transient Input Supplies
Precision UnderVoltage and OverVoltage Monitors with Separate UV and OV Pins and Programmable UV and OV Hysteresis

Alternative Descriptions

Full Featured -48V Hot Swap Ct | Analog Devices


Frequently Asked Questions

Where can I find additional details, specifications and documents for a ADM1073ARUZ?

Additional datasheets, footprints and schematics for ADM1073ARUZ are listed on our Part Details page. You can also find images and similar parts to ADM1073ARUZ on this page.

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What category does ADM1073ARUZ fall under?

The ADM1073ARUZ is listed under High Voltage Hot Swap Controllers.

Can I view similar or alternative parts?

You can view similar parts to ADM1073ARUZ when available in the High Voltage Hot Swap Controllers range under the specifications section at the bottom of the details page.

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Is the ADM1073ARUZ RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Analog Devices.

Which authorised distributors for ADM1073ARUZ have stock available?

Authorised distributors including Analog Devices and Farnell have stock available or on a lead time for ADM1073ARUZ.

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