●To Our Valued Customer: This is to inform you of specification change to Vicor VTM2308 isolated VTMs.
●PCN Type: Change of electrical specification
●Products Affected (current active model):
■VTM2308S60Z1513TZ0 Isolated VTM 1/4 k-factor
■VTM2308S60Z0825TZ0 Isolated VTM 1/8 k-factor
■VTM2308S60Z1513T00 Isolated VTM 1/4 k-factor
■VTM2308S60Z0825T00 Isolated VTM 1/8 k-factor
●Proposed Change: Internal buck regulator powered from the VBIN pin will no longer be an option for use. An external bias applied to VDR will be required.
●Reason for the change: Product yield issue and actual customer usage.
●Effective Date: Devices shipped post June 1, 2020.
●Actions Required: Customers should make note of the change and contact Applications Engineering with any questions or concerns.

Brand of Product：	VICOR POWER
Part#：	VTM2308 、 VTM2308S60Z1513TZ0 、 VTM2308S60Z0825TZ0 、 VTM2308S60Z1513T00 、 VTM2308S60Z0825T00 More Part#
Product Category：	Internal buck regulator More
Application：	More
Data Type：	PCN/EOL More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	June 1, 2020
Version Number：
Data Encoding：	VE20200601
Data Size：	440 KB