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LX7712 - LCL/RLCL Programmable Current Limiting Power Switch

Datasheet Summary

Description

The LX7712 is a radiation-hardened-by-design power switch for integration into spacecraft power distribution systems as an electronic fuse for power line protection.

DC supplies up to 120V with continuous current rating up to 5A can be easily turned on and off with slew rate programmability.

Features

  • Internal 120V, 5A rated power switch.
  • Internal catch diode for inductive loads.
  • Constant current or fold-back current limit.
  • Safe management of soft overload faults.
  • Optional hiccup automatic restart mode (RLCL).
  • Programmable current levels.
  • Programmable fault timer.
  • Current monitor output.
  • Separate ON, OFF, and low power OFF control inputs.
  • Low power switch voltage drop.
  • Over temperature shutdown.

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Datasheet preview – LX7712

Datasheet Details

Part number LX7712
Manufacturer Microchip
File Size 1.63 MB
Description LCL/RLCL Programmable Current Limiting Power Switch
Datasheet download datasheet LX7712 Datasheet
Additional preview pages of the LX7712 datasheet.

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Full PDF Text Transcription

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LX7712 120V, 5A, LCL/RLCL Programmable Current Limiting Power Switch For Space Description The LX7712 is a radiation-hardened-by-design power switch for integration into spacecraft power distribution systems as an electronic fuse for power line protection. DC supplies up to 120V with continuous current rating up to 5A can be easily turned on and off with slew rate programmability. The LX7712 includes a P-channel MOSFET power switch and catch diode for inductive loads. The LX7712 is configurable as either a latchable current limiter or a fold-back current limiter, with optional thermal shutdown. Multiple LX7712 devices can be paralleled to increase the current rating. The current limit, on/off slew rate, and fault response fault timers are programmed with passive external components.
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