SC4150: Negative-Voltage Hot-Swap Controller

• Programmable slew of the inrush current when used for hot insertion in the negative 24 V and 48 V backplane
• Closed-loop operation limits the maximum current even in short-circuit condition
• Built-in timer prevents false shutdown, when the closed-loop operation limits the current
• Sensing the drain voltage allows for immediate shutdown in short-circuit condition, where current spikes and noise is ignored
• Power-good signal
• Input UVLO and OVLO sensing
• SO-8 package

Typical Application Circuit

Click diagram to enlarge

• Central office switching
• Negative 48 V distributed power systems
• Power supply hotswap & inrush control

SOIC-8

• SC4150HIS-4TR: Package Minimum Tape & Reel Only
• SC4150HISTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
• SC4150LIS-4TRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
• SC4150LISTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only