LTC1153IS8#PBF - 

Electronic Circuit Breaker, 4.5V to 18V supply, SOIC-8

LTC1153IS8#PBF - Electronic Circuit Breaker, 4.5V to 18V supply, SOIC-8

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Product Overview

The LTC1153IS8#PBF is an auto-reset Electronic Circuit Breaker drives an N-channel MOSFET to interrupt power to a sensitive electronic load in the event of an over-current condition. The breaker remains tripped for a period of time set by an external timing capacitor and then is automatically reset. This cycle continues until the over-current condition is removed, protecting both the sensitive load and the MOSFET switch. The trip current, trip delay time and auto-reset period are programmable over a wide range to accommodate a variety of load impedances. An active high shut down input is also provided and interfaces directly to a PTC thermistor for thermal circuit breaking. An open-drain output is provided to report breaker status to the µP.
  • Drives low RDS(ON) N-channel MOSFETs
  • Status output indicates fault condition
  • Thermal trip with PTC thermistor
  • 8µA IQ in standby mode
  • No external charge pump capacitors


Power Management

Product Information

Battery Short-Circuit Protection, DC Motor Stall Protection, Power Bus Circuit Breaker
MSL 1 - Unlimited
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Alternatives Available

1273503 - MOSFET Driver, N-Channel, Auto-Reset Electronic Circuit Breaker, 4.5V-18V supply, SOIC-8

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