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Part Number: LMZ10500
The LMZ10500 describes on page 14/15 of the datasheet the problem, that when the Cout is too high the output short circuit protection takes effect.
In table 1 on page 15 for 1.0V the maximum Cout is 33 µF and for 1.8V the maximum Cout 47µF
What about the various other capacitors and their loads which are also connected to this supply voltage in parallel within the circuitry?
The customer has eg. in their application a total capacity of 260µF at 1.8V and a total capacity of 180 µF at 1.0V.
Would you recommend this part for the customer’s use case?
Table 1 of the datasheet specs the total effective capacitance on the output of the regulator. Since the customer application has a total capacitance greater than 33uF, this part will not work for the customer. There is an issue with start-up stability if there are too many output capacitance.
Can you tell me the VIN and IOUT requirement of your customer? Perhaps I might be able to find an alternative part to fit their needs.
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In reply to Chris Glaser:
Thanks for the information and suggestions. The customer will try both parts TPS82084 and http://www.ti.com/product/TPS82150
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