What's the maximum over current limit of LTC4361?

Question

Hi Sir, 
 What's the maximum over current limit of LTC4361? 
 I use the LTSPICE to simulate the LTC4361. 
 Vin 5V and use the short model. 
 
 When I adjust the Rsense to 9mohm, LTC4361 cannot work. 
 Rsense=9mohm 
 
 Rsense=10mohm, LTC4361 works.

Ashapiro · Accepted Answer

Rsns=10m&Omega; means you have a 5A circuit breaker. Reducing Rsns to 9m&Omega; increases circuit breaker to 5.56A . 
 Your "SHORT" is only 1&Omega;, so it will draw 5A when turned on (given Vin=5V). Rload1 draws a constant 0.5A. Add these two currents together and you get a total load current of 5.5A . 
 This means circuit breaker will trip at Rsns=10m&Omega;, but not at Rsns=9m&Omega;.)

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What's the maximum over current limit of LTC4361?