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Уведомление об обновлениях схем

Change Notification #   4945
Revision  
Type of Notification   PRODUCT/PROCESS CHANGE NOTIFICATION
Change Title   Customer Alert--Potential Problem with Parts LM2574 and LM2575
Issue Date   1999-07-28
Affected Product Family   DISCRETES AND LOGIC
Description   Description of potential problem: Motorola wishes to notify all customers who have purchased the LM2574 and LM2575 series devices that they may encounter some issue in their application when the following conditions are met: Vin voltage greater than 34V and die temperature greater than 70 degrees C. Summary of evaluations/findings: Some devices may temporarily loose their functionality after a few hours (typical 1-4 hours) of operation in applications when operated at the above conditions. Devices used at lower Vin voltage than 34V are fully functional over time.
Key Items Affected by Change  
 
Key Milestones  
Effective Date:   1999-07-29
Sample Info:  
Possible Replacements   N/A

For more information on this Process Change Notification, please contact your local ON Semiconductor sales office.

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