Power Management

Q&A LTC1872 Thermal Shutdown ?

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LTC1872 Production
The LTC1872 is a constant frequency current mode step-up DC/DC controller providing excellent AC and DC load and line regulation. The device incorporates...
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LTC1872 on Analog.com

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LTC1872 Thermal Shutdown ?

MC633

on Nov 20, 2019

Does anybody know whether the LTC1872 device has got an internal thermal shutdown and what is the temperature it would shut down?

Tags: SEPIC Regulators ltc1872 switching regulators

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+1 ADIApproved

on Nov 20, 2019 12:33 PM
There's not the thermal shutdown feature mentioned in the datasheet. Thus it's not in the chip either. Why did you ask?
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0 MC633
on Nov 21, 2019 4:40 AM in reply to ADIApproved
Thank you very much for your reply Victor.

I am not sure I would agree that not be mentioned in the datasheet does mean in not in the chip either so I would ask you whether yours is an assumption or you have verified it within the design team?

The reason why I am asking it is because I am planning to use it in a high temperature environment (normally 150C, possibly up to 180C).

Many thanks.
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on Nov 28, 2019 8:56 PM in reply to MC633
The datasheet specifies operating temperature only up to 85degC and junction temperature of up to 150degC. Please do not operate above these numbers.
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on Nov 28, 2019 8:56 PM in reply to MC633
The datasheet specifies operating temperature only up to 85degC and junction temperature of up to 150degC. Please do not operate above these numbers.
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