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STEF512SRI Datasheet Dual Electronic Fuse

Manufacturer: STMicroelectronics

Overview: STEF512SRI Datasheet Dual electronic fuse for 5 V and 12 V rails with reverse current blocking Maturity status link.

General Description

The STEF512SRI is an integrated dual electronic fuse, designed to protect circuitry on the output from overcurrent and overvoltage events, in those applications requiring hot-swap operation and in-rush current control.

The device embeds two electronic fuses, one for the 5 V rail and one for the 12 V rail.

Thanks to the very low ON-resistance of the integrated power MOSFETs, the voltage drop from the main supply to the load is very low during normal operation.

Key Features

  • 5 V and 12 V channels in one chip.
  • 23.5 V absolute maximum input voltage.
  • Precise output overvoltage clamp.
  • Fixed overcurrent protection for both channels.
  • Reverse current protection on 5 V channel.
  • Current monitor output in a single pin for both rails.
  • Current monitor pin selection.
  • Thermal protection.
  • Auto-retry after fault.
  • Input undervoltage lockout.
  • Integrated 45 mΩ power MOSFETs.
  • SA.

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STEF512SRI Distributor