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UC2845 参数 Datasheet PDF下载

UC2845图片预览
型号: UC2845
PDF下载: 下载PDF文件 查看货源
内容描述: 电流模式PWM控制器 [Current Mode PWM Controller]
分类和应用: 控制器
文件页数/大小: 19 页 / 934 K
品牌: TI [ TEXAS INSTRUMENTS ]
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PACKAGE OPTION ADDENDUM  
www.ti.com  
4-Mar-2005  
Orderable Device  
Status (1)  
Package Package  
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)  
Qty  
Type  
Drawing  
UC3843N  
ACTIVE  
PDIP  
P
8
50  
Pb-Free  
(RoHS)  
CU SNPB  
Level-NC-NC-NC  
UC3843P  
UC3843QTR  
UC3844D  
OBSOLETE  
OBSOLETE  
ACTIVE  
PDIP  
PLCC  
SOIC  
SOIC  
SOIC  
SOIC  
CDIP  
PDIP  
P
FN  
D
8
20  
14  
8
None  
None  
None  
None  
None  
None  
None  
Call TI  
Call TI  
Call TI  
Call TI  
50  
75  
CU NIPDAU Level-1-220C-UNLIM  
CU NIPDAU Level-1-220C-UNLIM  
CU NIPDAU Level-1-220C-UNLIM  
CU NIPDAU Level-1-220C-UNLIM  
UC3844D8  
UC3844D8TR  
UC3844DTR  
UC3844J  
ACTIVE  
D
ACTIVE  
D
8
2500  
2500  
1
ACTIVE  
D
14  
8
ACTIVE  
JG  
P
A42 SNPB  
CU SNPB  
Level-NC-NC-NC  
Level-NC-NC-NC  
UC3844N  
ACTIVE  
8
50  
Pb-Free  
(RoHS)  
UC3844P  
UC3845D  
OBSOLETE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
PDIP  
SOIC  
SOIC  
SOIC  
SOIC  
CDIP  
PDIP  
P
D
8
14  
8
None  
None  
None  
None  
None  
None  
Call TI  
Call TI  
50  
75  
CU NIPDAU Level-1-220C-UNLIM  
CU NIPDAU Level-1-220C-UNLIM  
CU NIPDAU Level-1-220C-UNLIM  
CU NIPDAU Level-1-220C-UNLIM  
UC3845D8  
UC3845D8TR  
UC3845DTR  
UC3845J  
D
D
8
2500  
2500  
1
D
14  
8
JG  
P
A42 SNPB  
CU SNPB  
Level-NC-NC-NC  
Level-NC-NC-NC  
UC3845N  
8
50  
Pb-Free  
(RoHS)  
UC3845P  
OBSOLETE  
PDIP  
P
8
None  
Call TI  
Call TI  
(1) The marketing status values are defined as follows:  
ACTIVE: Product device recommended for new designs.  
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.  
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in  
a new design.  
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.  
OBSOLETE: TI has discontinued the production of the device.  
(2)  
Eco Plan - May not be currently available - please check http://www.ti.com/productcontent for the latest availability information and additional  
product content details.  
None: Not yet available Lead (Pb-Free).  
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements  
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered  
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.  
Green (RoHS & no Sb/Br): TI defines "Green" to mean "Pb-Free" and in addition, uses package materials that do not contain halogens,  
including bromine (Br) or antimony (Sb) above 0.1% of total product weight.  
(3)  
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDECindustry standard classifications, and peak solder  
temperature.  
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is  
provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the  
accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take  
reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on  
incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited  
information may not be available for release.  
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI  
to Customer on an annual basis.  
Addendum-Page 3  
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