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LTC4261

Part Number	LTC4261
Manufacturer	Linear Technology
Description	Negative Voltage Hot Swap Controllers
Published	Jul 11, 2009
Detailed Description	LTC4261/LTC4261-2 Negative Voltage Hot Swap Controllers with ADC and I2C Monitoring FEATURES DESCRIPTION n Allows Saf...
Datasheet	LTC4261 PDF File

Overview

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/LTC4261-2 negative voltage Hot SwapTM controllers allow a board to be safely inserted and removed from a live backplane.
Using an external N-channel pass transistor, the board supply voltage can be ramped...

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