Datasheet for EVAL-ADM1073MEBZ:
- Manufacturer Part Number : EVAL-ADM1073MEBZ
- Manufacturer : AD
- Description : -48 V Full Feature Hot Swap Controller IC
- Series : ADM1073
- Reference Price : USD 0
- Our Price : We have a better price, contact us by email
- Product Type : Hot Swap Controllers
- Function : High Voltage Hot Swap Controllers
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : Evaluation Board
- Pins : -
- MFG Package Case : -
- Part Type : EVAL
- Standard Packing Type : -
- Standard Packing Quantity : -
- Working Temperature : -
- Other Part Number : EVAL-ADM1073MEBZ
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- Precision In-Rush Linear Current Limit
- Adjustable Soft Start In-Rush Current Limit Profiling
- Precision Maximum On Time in Current Limit
- Max On-Time Modulated by FET Drain Voltage for Additional SOA Protection
- Adjustable PWM Retry Scheme and Multiple Device Cascading
- 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
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 consec-utive 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.
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
