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Dear TI
I can't use tps65131-q1 for dual positive and negative output web bench.
my design condition is below
Vin 3~5.5V(normal 5V)
Vout1 5V 40mA min~
Vout2 -5V 40mA min~
Automotive
(for example circuit include one ina826 with dual power)
do you suggest circuit example or web bench?
Best regards, Choi
Hi Choi,
So your input voltage will vary from 3V~5.5V during operation? Is it possible to use a constant like 3.3V?
BR
Patrick
Hi Choi,
What do you mean of the INA826, is this added in your schematic?
BR
Patrick
Hi Choi,
For TPS65131-Q1, too close Vin and Vout1 might be a challenge. This is also a challenge for our other dual output solutions. So may I know if the Vout1 could be raised up or the 5V Vin could be decreased?
BR
Patrick
Hi Choi,
I recommend to raise up the VPOS not to make it close to Vin.
BR
Patrick