LTC4261/LTC4261-2 Negative Voltage Hot Swap Controllers with ADC and I2C Monitoring FEATURES DESCRIPTION n Allows Safe Insertion into Live –48V Backplanes n 10-Bit ADC Monitors Current and Voltages n I2C/SMBus Interface or Single-Wire Broadcast Mode n Floating Topology Allows Very High Voltage Operation n Independently Adjustable Inrush and Overcurrent Limits n Controlled Soft-Start Inrush n Adjustable UV/OV Thresholds and Hysteresis n Sequenced Power Good Outputs with Delays n Adjustable Power Good Input Timeout n Programmable Latchoff or Auto-Retry After Faults n Alerts Host After Faults n Available in 28-Lead Narrow SSOP and 24-Lead (4mm × 5mm) QFN Packages APPLICATIONS n AdvancedTCA S...

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