Another tricky one - U9405

Álvaro Lopes alvieboy at
Mon May 25 10:34:39 CEST 2009

Hi all,

so we have another tricky one - U9405 (RT9711BPB). There are four variants [1] of this component which require different symbols:

RT9711B.* and RT9711D.* have input EN active low, RT9711A.* and RT9711C.* active high;
RT9711[ABCD][PG](B|BG|J5) have 1 VIN input and 1 VOUT output (5 pins). but RT9711[ABCD][PG][SF] have 2 VIN inputs and 3 VOUT outputs (8 pins).

Ideas on how to name this symbol ? RT9711_BD_5 ?



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