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 A
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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 Systems n Telecom Infrastructure n –48V Distributed Power Systems n Power Monitors
The LTC®4261/LTC4
LTC4261 Datasheet
