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L7912CD2T-TR 产品修订记录 - ST Microelectronics（意法半导体）
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ST Microelectronics（意法半导体）
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稳压芯片
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TO-263-3
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STMicroelectronics标准负电压调节器提供非常稳定且可靠的操作，具有短路和热过载保护。 适用于多种电压调节应用。
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L7912CD2T-TR数据手册
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PRODUCT / PROCESS CHANGE NOTIFICATION
1. PCN basic data
1.1 Company STMicroelectronics International N.V
1.2 PCN No. AMG/17/10492
1.3 Title of PCN Introduction of the HBIP40 technology for the L79xx series (5V, 12V and 15V Output Voltage
versions) - Linear Voltage Regulators
1.4 Product Category L79xx series (see attached file for full list of part numbers)
1.5 Issue date 2017-10-24
2. PCN Team
2.1 Contact supplier
2.1.1 Name MARSHALL DAVE
2.1.2 Phone
2.1.3 Email dave.marshall@st.com
2.2 Change responsibility
2.2.1 Product Manager Lorenzo NASO
2.1.2 Marketing Manager Marcello SAN BIAGIO
2.1.3 Quality Manager Jean-Marc BUGNARD
3. Change
3.1 Category 3.2 Type of change 3.3 Manufacturing Location
Die redesign Mask or mask set change with new die design Front end : ST Ang Mo Kio (Singapore)
4. Description of change
Old New
4.1 Description LAAT Technology HBIP40 Technology
4.2 Anticipated Impact on form,fit,
function, quality, reliability or
processability?
No changes in term of Quality and Reliability. Negligible changes in the Electrical
Characteristics (see Datasheet).
5. Reason / motivation for change
5.1 Motivation Following Divisional commitment towards a continuous improvement philosophy, a more fine
geometry Bipolar technology has been qualified in ST called HBip40. As already done for the
L78xx series, ST is going to use this improved technology to redesign the L79xx Linear Voltage
Regulator series also.
Electrical characteristics remain unchanged. Quality and Reliability parameters are still
guaranteed at the same level as in the past. Small differences in the Short Circuit Current value
(see details in the datasheet) further minimize the risk of circuitry damage in case of Short
Circuit conditions, especially to those devices connected downstream of our IC.
The new L79 series (see involved part numbers) in HBip40 will be produced taking into account
the change of Back Metal Conversion from Cr/Ni/Au to Cr/Ni/Ag already announced with the
PCN AMG/16/9855 [Back Metal Conversion from Cr/Ni/Au to Cr/Ni/Ag for Bipolar Technology in
Ang Mo Kio (Singapore) FE plant] .
The above changes will increase our flexibility on confirming orders that will be translated in a
better service to our Customers.
Samples of L7912CV and L7912CV-DG are available for customer evaluation. The other versions
will come later and according to customer requests.
5.2 Customer Benefit SERVICE IMPROVEMENT
6. Marking of parts / traceability of change
6.1 Description The traceability of the HBIP40 Technology parts will be ensured by a different internal
codification and QA number
7. Timing / schedule
7.1 Date of qualification results 2017-10-05
7.2 Intended start of delivery 2018-01-25
7.3 Qualification sample available? Upon Request
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