(China (Mainland))
Product Summary
The LTC4259ACGW-1 is a quad –48V Hot SwapTM controller designed for use in IEEE 802.3af compliant Power Sourcing Equipment (PSE). It consists of four independent ports, each with output current limit, short-circuit protection, complete Powered Device (PD) detection and classification capability, and programmable PD disconnect using AC or DC sensing.
Parametrics
Absolute maximum ratings: (1)Supply Voltages: VDD to DGND: – 0.3V to 5V; VEE to AGND: 0.3V to –70V; DGND to AGND: ±1V; (2)Digital Pins, SCL, SDAIN, SDAOUT, INT, AUTO, RESET SHDNn, ADn: DGND – 0.3V to DGND + 5V; (3)Analog Pins: GATEn: VEE – 0.3V to VEE + 12V; DETECTn Peak Currents: ±80mA; SENSEn: VEE – 0.3V to VEE + 1V; OUTn: VEE – 70V to VEE + 70V; OSCIN: DGND – 0.3V to DGND + 5V; BYP Current: ±1mA; (4)Operating Ambient Temperature Range: 0℃ to 70℃; (5)Junction Temperature: 150℃; (6)Storage Temperature Range: – 65℃ to 150℃; (7)Lead Temperature (Soldering, 10 sec): 300℃.
Features
Features: (1)Controls Four Independent . 48V Powered Ethernet Ports; (2)Operates Autonomously or Controlled by I2CTM Serial Interface; (3)4-Bit Programmable Digital Address Allows Control of Up to 64 Ports; (4)Current and Duty Cycle Limits Protect External FETs; (5)IMPROVED UVLO; (6)Available in a 36-pin SSOP package.
Diagrams
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 LTC4259ACGW-1#PBF |
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IC CTRLR POE QUAD AC DISC 36SSOP |
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LTC4259ACGW-1#TRPBF |
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IC CTRLR POE QUAD AC DISC 36SSOP |
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